General Technical Knowledge

1. 47572
What is the purpose of fitting the engines to an aircraft using wing mounted pylons?

They give increased ground clearance in roll

They give improved longitudinal mass distribution

The wing structure can be lighter because the engine acts as a mass balance and also relieves wing bending stress

They enable a longer undercarriage to be used which gives an optimum pitch attitude for take-off and landing

2. 52748 In an aircraft having a battery of 24 volts nominal and fully charged the voltmeter would read:

22 volts

24 volts

26 volts

28 volts

3. 52877 The purpose of an inverter is:

To change AC into DC

To change the frequency of the AC supply

To act as a back up for the alternator

To change DC into AC

4. 53262 In a turbo charger; which item controls the MAP?

Throttle

Compressor

Waste gate

Turbine

5. 53094 The electromagnetic brake on an actuator is only energized:

When the actuator is operating

In the air

When the actuator is at rest

On the ground

6. 47716 The purpose of a reservoir is:

To provide a housing for the instrument transmitters

To enable the contents to be checked

To allow for fluid displacements; small leaks; thermal expansion and contents monitoring

To provide a housing for the main system pumps and so obviate the need for backing pumps

7. 52745 A battery is checked for serviceability by:

Using an ammeter

Measuring the specific gravity of the electrolyte

A boric acid solution

Using an ohmmeter

8. 52876 Where the aircraft's main electrical supply is A.C; DC requirements are met by:

Batteries

T.R.U.S

Inverters

A static inverter

9. 45940 Shock-induced seperation of airflow occuring symmentrically near the wing-root of a swept-back wing; may result in:

Severe poroposing due to an attempt to recover control; while under reverse command

A high speed stall and sudden pitch-up; due to the center of pressure moving forward on the wing

A severe climbing moment; due to the center of pressure moving forward on the wing

10. 52756 When the battery master switch is switched off in flight:

The generators are disconnected from the bus bar

The ammeter reads maximum

The battery is isolated from the bus bar

The battery is discharged through the bonding circuit diodes

11. 45922 Vle is defined as:

The MAX. landing gear operating speed

The lift-off speed

The minimum low speed allowed

The maximum landing gear extended speed

12. 47062 What is the free stream MACH number which produces first evidence of local sonic flow?

Initial buffet speed

Transonic MACH number

Supersonic MACH number

Critical MACH number

13. 47063 What is the movement of the center of pressure when the wingtips of a swept wing airplane are shock-stalled first?

Inward and AFT

Inward and forward

Outward and forward

Outward and AFT

14. 52753 The electrolyte used in an alkaline battery is a diluted:

A saline solution

Sulphuric acid

Cadmium and distilled water

Potassium hydroxide solution

15. 52882 The basic principle of operation of a 3 phase induction motor is:

A rotating field created in the rotor

A rotating field created in the stator

A stationary field created in the stator

A stationary field created in the rotor

16. 47549 For a multi-engine aircraft; V MCG is defined as the minimum control speed on the ground with one engine inoperative. The aircraft must be able to:

Abandon the take off

Continue the take off or abandon it

Continue the take off using primary controls only

Continue the take off using primary controls and nosewheel steering

17. 47708 The purpose of an accumulator is to:

Relieve excess pressure

Store fluid under pressure

Store compressed gas for tyre inflation

Remove air from the system

18. 48404 Fuel tank booster pumps are:

Centrifugal; low pressure

Centrifugal; high pressure

Gear type; low pressure

Gear type; high pressure

19. 52746 The specific gravity of a fully charged lead acid cell is:

1.270

1.090

1.120

0.1270

20. 47541 Skidding outward in a turn is caused by

Insufficient rate of yaw

Too much bank

Too much nose up pitch

Insufficient bank

21. 52752 The electrolyte used in the lead acid cell is diluted:

Hydrochloric acid

Sulphuric acid

Boric acid

Potassium hydroxide

22. 52884 In a synchronous motor; the rotor is:

Energised by DC and it lines up with the magnetic field in the stator

Wave wound

Both AC and DC energised

Impeded by the AC induced into it

23. 47044 Which factor has the effect of increasing V1 speed?

Dry cold air

High take off gross weight

Slush of standing water on the runway

B and C are correct

24. 47101 A cargo aircraft loaded to maximum takeoff gross weight of 75;000 kgs is out of the aft CG limit. How many 24 kgs boxes must be moved from the 1;200' station to the 710' station to move the CG forward 3.1 inches?

29 .BOXES

25 .BOXES

20 .BOXES

14 .BOXES

25. 53283 The optimum angle of attack for a propeller-blade is:

Between 4 and 6 degrees

6 .degrees

Between 2 and 4 degrees

4 .degrees

26. 47395 [Refer to the attached figure] Which aircraft has the highest aspect ratio?

3

4

2

1

27. 47537 During a turn the lift force may be resolved into two forces; these are

A force opposite to thrust and a force equal and opposite to weight

Centripetal force and a force equal and opposite drag

Centripetal force and a force equal and opposite weight

Centrifugal force and a force equal and opposite thrust

28. 48398 The aircraft cannot be refuelled while:

A ground power unit is operating on the ramp

Passengers are walking through the refuelling zones

Passengers are boarding

The APU is running

29. 52750 The nominal voltage of an alkaline cell is:

2.2 volts

1.8 volts

1.2 volts

0.12 volts

30. 45950 In a turbojet engine the turbine's purpose is to:

Convert the kinetic energy of the RAM air into high pressure

Convert the kinetic energy of the exhaust gases into a rotative movement

To move the compressor’s section by using the RAM air energy

To convert the potential energy of the exhaust gases into an axial movement

31. 47603 Thrust is being managed to maintain desired indicated airspeed and the glide slope is being flown. Which of the following is the recommended procedure when you observe a 30 kt loss of airspeed and the descent rate increases from 750 ft/min to 2;000ft/min?

Decrease the pitch attitude to regain airspeed and then fly-up to regain the glide slope

Apply full power and execute a go-around; report windshear to A TC as soon as practicable

32. 47431 Formation of ice on the wing leading edge will:

Not affect the stalling speed

Cause the aircraft to stall at a higher speed and a higher angle of attack

Cause the aircraft to stall at a higher speed and a lower angle of attack

Cause the aircraft to stall at a lower speed

33. 52853 An aircrafts constant frequency supply is maintained at:

Between 350 - 450 Hz

Between 380 - 420 Hz

Between 115 - 200 Hz

Between 395 - 495 Hz

34. 52886 A squirrel cage rotor:

Is not connected to the supply

Is expensive to produce

Rotates at exactly synchronous speed

Is a closed circuit of high resistance

35. 53223 When the mixture lever is at the idle cut-off position:

The fuel flow to the carburator is cut-off

The fuel flow from the carburator is cut-off

The ignition is cut-off

The throttle valve is closed

36. 52743 Battery capacity percentage efficiency must always be:

10% above saturation level

Above 70%

Above 80%

Above 90%

37. 52887 A starting circuit for a powerful single phase induction motor might be:

A capacitance starter

A resistance / inductance starter

A cartridge starter

A bump starter

38. 45908 The trimming devices on a particular airplane include trailing edge tabs on the rudder and on the right aileron, operated by the pilot. If the airplane is trimmed to a more nose-right and right-wing up position:

The aileron trim tab is moved up, and the rudder trim tab is moved to the left

The aileron trim tab is moved down, and the rudder trim tab is moved to the left

The aileron trim tab is moved down, and the rudder trim tab is moved to the right

The aileron trim tab is moved up, and the rudder trim tab is moved to the right

39. 48397 During fuel jettison; the aircraft is protected against running out of fuel by:

High level float switches

Preset jettison quantity switches

The crew remaining alert

Low level float switches

40. 45956 What is the difference between turbine fuel jet A and A1?

Jet A is made for operation at extremely low temperatures

Jet A1 is made for operation at extremely low temperatures

Jet A is for use in older turbine aircrafts; while jet A1 is formulated for the newest aircrafts engines

Jet A is made for operationat extremely high pressure

41. 46558 If during a descent the static line becomes blocked; the ASI will:

Read normally

Under read

Over read

Read zero

42. 47437 Sweepback on a wing will

Reduce induced drag at low speed

Increase the tendency to tip stall

Reduce the tendency to tip stall

Cause the stall to occur at a lower angle of attack

43. 47446 In a 30 Degrees bank level turn; the stall speed will be increased by:

7%

30%

1.07%

15%

44. 47544 An increase in airspeed while maintaining a constant load factor during a level; coordinated turn would result in

An increase in centrifugal force

The same radius of turn

A decrease in the radius of turn

An increase in the radius of turn

45. 45924 The cabin pressure control setting had a direct effect upon the:

Compressor speed

Outflow valve opening Relief valve operation

46. 48396 Baffles are fitted in aircraft fuel tanks:

To assist in correct fuel distribution

To prevent fuel surging during aircraft manoeuvres

To prevent the static build up in the tank during refuelling

To channel fuel to the vent valve

47. 50281 During the starting; the engine should be stopped if:

No oil pressure is indicated within 60 seconds after engine is firing evenly

No oil pressure is indicated within 30 seconds after engine is firing evenly

No oil pressure is indicated within immediately after engine is firing evenly

48. 45946 The purpose of flight spoilers is to...

Increase the camber of the wing

Decrease airspeed by reducing lift

Direct airflow over the top of the wing at high angles of attack

Increases rate of descent without increasing aerodynamic drag

49. 47443 The input data to a stall warning device [e.g. stick shaker] system is

Angle of attack only

Angle of attack; and in some systems rate of change of angle of attack

Airspeed only

Airspeed and sometimes rate of change of airspeed

50. 48045 Mach number is:

The aircraft True Air Speed divided by the local speed of sound

The speed of sound in the ambient conditions in which the aircraft is flying

The Indicated Air Speed divided by the local speed of sound sea level

51. 47037 An airplane loaded at its aft CG limit; [in comparison to the same airplane if loaded at its fwd CG limit]; will have which effects on the longitudinal static stability and longitudinal controllability?

Both stability and controllability will decrease

Least static stability and highest controllability

Both stability and controllability will increase

Highest stability and least controllability

52. 47052 Why must angle of attack be increased during a turn to maintain altitude?

Compensate for increase in drag

Increase the horizontal component of lift equal to the vertical component

Compensate for loss of vertical component of lift

Increase the horizontal component of lift equal to the aircraft weight

53. 47429 For an aircraft with a 1g stalling speed of 60 kt IAS; the stalling speed in a steady 60 Degrees turn would be:

43 kt

60 kt

84 kt

120 kt

54. 48435 מהן פעולותיך במקרה של אובדן מנוע חלקי אשר ההמראה מבוצעת ממסלול קצר

יש להפסיק את ההמראה בכל מקרה

במידה ולא ניתן להמשיך את ההמראה, יש לנסות לנחות תוך פניית חזרה למסלול

במידה ולא ניתן להמשיך את ההמראה יש לנסות לנחות ישר לפנים ללא נסיון לחזור למסלול

יש להמשיך את ההמראה

55. 47036 How does heavy rain affect airplane performance in flight?

The angle of attack for Cl maximum will be increased by 2 Degrees to 6 Degrees

The angle of attack for Cl/Cd maximum will be increased by 2 Degrees to 6 Degrees

The smooth water film on the wings and fuselage decreases drag

A lost of lift will occur due to raindrop impact roughing the wing water film

56. 47433 The stalling speed of an aeroplane is most affected by:

Changes in air density

Variations in aeroplane loading

Variations in flight altitude

Changes in pitch attitude

57. 48426 Failure of an aircraft generator is indicated by:

A red warning light lighting and the ammeter showing zero or discharge

A red warning light going out and the ammeter showing a discharge

A current limiter tripping

A circuit fuse blowing

58. 47436 On a highly tapered wing without wing twist the stall will commence:

Simultaneously across the whole span

At the centre of the span

At the root

At the tip

59. 53088 Capacitive reactance is the:

Resistance from a capacitor which varies directly poroportional with the frequency

Electrical resistance from a capacitor which varies inversely proportional with the frequency

Resistance from an inductor which varies inversely poroportional with the frequency

Electrical resistance from a coil which varies proportional with the frequency

60. 48401A 'wide cut' fuel is:

More flammable than a kerosene type fuel

Less volatile than a kerosene type fuel

Coloured red for identification purposes

Commonly used in civilian transport aircraft

61. 52851 Warnings of C.S.D.U. oil overheat are given in the cockpit by:

Audio warning

An 'oil overheat' warning light

A 'low oil pressure1 warning light

A temperature gauge

62. 52880 A synchronous motor runs at a speed that depends upon the supply:

Voltage

Current

Reactance

Frequency

63. 52879 Reversing two phases to a three phase motor will:

Blow the phase fuses

Cause the motor to run in reverse

Overheat the stator windings

Stall the motor

64. 47600 Which of the following would be acceptable techniques to minimise the effects of a windshear encounter?

1. To prevent damage to the engines; avoid the use of maximum available thrust.

2. Increase the pitch angle until the stick shaker activates; then decrease back pressure to maintain that angle of pitch.

3. Maintain a constant airspeed.

4. Use maximum power available as soon as possible.

5. Keep to noise abatement procedures.

6. Wait until the situation resolves itself before taking any action.

4 ;3 ;1 and 6

3 ;2 and 5

4 ;5 ;3 ;2 .and 6

2 and 4

65. 47026 When considering air density:

1 -Density is measured in millibars

2 -Density increases with increasing altitude

3 -If temperature increases the density will increase

4 -As altitude increases; density will decrease

5 -Temperature decreases with increasing altitude; this will cause air density to increase

The combination of correct statements is:

4 only

4 and 5

5 only

2; 3 and 5

66. 47434 Stalling may be delayed to a higher angle of attack by:

Increasing the adverse pressure gradient

Increasing the surface roughness of the wing top surface

Distortion of the leading edge by ice build-up

Increasing the kinetic energy of the boundary layer

67. 48436 מהן פעולותיך במצב של אובדן מנוע חלקי כאשר יש לפניך מסלול ארוך

יש להפסיק את ההמראה בכל מקרה

יש לנסות לנחות תוך ביצוע פניית חזרה למסלול

יש לנסות לנחות ישר לפנים ללא ניסיון לפנות חזרה למסלול

יש להמשיך את ההמראה

68. 52881 If one phase of the supply to a three phase motor fails; then:

The motor will continue to run at the same speed

Will slow down and stop

Will stop immediately

Will run at about half speed but will not start on its next selection

69. 47426 If the aircraft weight is increased without change of CG position; the stalling angle of attack will:

Remain the same

Decrease. Increase

The position of the CG does not affect

The stall speed

70. 47074 What is the purpose of a servo tab?

Move the flight controls in the event of manual reversion

Reduce control forces by deflecting in the proper direction to move a primary flight control

Prevent a control surface from moving to a full deflection position due to aerodynamic forces

Provides greater longitudinal controllability

71. 50293 The micro-switch incorporated in the throttle quadrant activates a warning horn in flight under the following conditions:

Full flaps extension while the gear is up

B .Both throttles closed beyond approximately 14' of MP with gear up

Either throttle closed beyond approximately 12' of MP with wheels not down

72. 47439 A rectangular wing; when compared to other wing planforms; has a tendency to stall first at the

Wing root providing adequate stall warning

Wingtip providing inadequate stall warning

Wingtip providing adequate stall warning

Leading edge; where the wing root joins the fuselage

73. 47123 When considering the effect of changing angle of attack on the pitching moment of an aerofoil; which of the following statements is correct:

1 -At 'normal' angles of attack the pitching moment is nose up.

2- The pitching moment about the aerodynamic centre [AC] is constant at 'normal' angles of attack.

3 -The aerodynamic centre [AC] is located approximately at the 25% chord point.

4 -The moment about the aerodynamic centre [AC] is a product of the distance between the aerodynamic centre [AC] and the centre of pressure [CP] and the magnitude of the lift force.

3 ;2 ;1 .and 4

4 .only

3 .and 4

3 ;2 .and 4

74. 47575 If flutter is experienced during flight; the preferable action would be

Immediately increase speed beyond V MO / M MO by sacrificing altitude if necessary

Immediately close the throttles; deploy the speed brakes and bank the aircraft

Rapidly pitch-up to slow the aircraft as quickly as possible

Reduce speed immediately by closing the throttles; but avoid rapid changes in attitude and/or configuration

75. 47714 Fluid level in a reservoir will; when pressurised:

Fall

Rise

Only change when the systems are operated

Remain the same

76. 47046 What true airspeed and angle of attack should be used to generate the same amount of lift as altitude is increased?

The same true airspeed and angle of attack

A higher true airspeed for any given angle of attack

A lower true airspeed and lower angle of attack

A lower true airspeed and higher angle of attack

77. 53271 A ground boosted turbocharger is designed to:

Maintain sea level pressure with increaseing height

Boost the MAP to pressures to sea level up to any altitude

Increase MAP above sea level pressure at sea level standard conditions

Maintain the MAP at sea level pressure up to any rated altitude

78. 47424 An aeroplane will stall at the same:

Angle of attack and attitude with relation to the horizon

Airspeed regardless of the attitude with relation to the horizon

Angle of attack regardless of the attitude with relation to the horizon

Indicated airspeed regardless of altitude; bank ang1e and load factor

79. 46639 If the sub-scale of an altimeter which reads 1;500 FT is changed from 1;006 MB to 998 MB. What will be the new reading if 1MB=27FT?

1740 ft

1716 ft

1284 ft

1500 ft

80. 47447 Heavy rain can increase the stall speed of an aircraft for which of the following reasons?

Water increases the viscosity of air

Heavy rain can block the pitot tube; giving false airspeed indication

The extra weight and distortion of the aerodynamic surfaces by the film of water

The impact of the heavy rain will slow the aircraft

81. 47035 Which is an effect of ice; snow or frost formation on an airplane?

Increased pitch-up tendencies

Increased pitch-down tendencies

Increased stall speed and decreased angle of attack for stall

Decreased stall speed and increased angle of attack for stall

82. 47445 High speed buffet [shock stall] is caused by:

The boundary layer separating in front of a shockwave at high angles of attack

The boundary layer separating immediately behind the shock wave

The shock wave striking the tail of the aircraft

The shock wave striking the fuselage

83. 45954 How does compressor RPM affect the output of a turbofan engine?

Power increase linearly with an increase in compressor speed

Efficiency increases when compressor blade tips reach MACH 1; or slightly higher

Compressor aerodynamics cause a non-linear increase in power relative to compressor speed

Power increases at low RPM due to increased pressure

84. 47440 Vortex generators are used

To reduce induced drag

To reduce boundary layer separation

To induce a root stall

To counteract the effect of the wing-tip vortices

85. 45920 What effect; if any; does CG location have on Vmc?

Vmc increases with a rearward location of CG

Vmc decreases with a rearward location of CG

Vmc increases with a forward location of CG

CG location does not effect Vmc

86. 47090 Refer to figures 76; 79 and 80]. What is the CG in inches AFT of datum for a loading conditions WT-4?

908.4 Inches

909.0 Inches

909.5 Inches

907.3 Inches

87. 53307 What visual indication is given to show that the thrust reverses are correctly stowed?

No light

Red light

Green light

Amber light

88. 53235 To prevent a loss of power when the throttle is opened rapidly; the carburtor may include:

An automatic mixture control

An economizer system

An accelerator pump

A main jet

89. 45918 Vmc for a propeller driven airplane; is defined as:

The critical engine failure speed

The minimum speed in unbalanced flight

Minimum steady flight speed with the critical engine inoperative and windmilling

The minimum single engine stalling speed

90. 47081 What is the primary function of the leading edge flaps in landing configuration during flare before touchdown?

Prevent flow separation

Decrease rate of sink

Increase profile drag

Reduce the wing's lift upon landing

91. 50314 During single engine operation; when using fuel from tank on the side opposite the operating engine; fuel system management should be as follows:

92. 45925 If cabin ROC is too great; how should the pressurization control be adjusted?

Open the outflow valve slower

Close the outflow valve faster

Increase the amount of incoming air

Open the relief valve fully

93. 48402Fuel is heated:

To stop cavitation in the High Pressure Fuel Pump

To maintain a constant viscosity

To prevent water contamination

To stop ice blocking the Low Pressure fuel filter

94. 52878 Synchronous motors are usually supplied by:

Three phase AC

Single phase AC

DC to the stator

DC to the stator and AC to the rotor

95. 47432 Dividing lift by weight gives:

Wing loading

Lift/drag ratio

Aspect ratio

Load factor

96. 47720 A hand pump is usually fitted :

For ground servicing purposes

Lowering the landing gear in an emergency

Pressurising the oleo struts in the air

Retracting the gear after take-off

97. 52716 Electro-motive force is measured in:

Amps x volts

Watts

Ohms

Volts

98. 47041 What effect would a change in ambient temperature or air density have on gas turbine engine performance?

As air density decreases; thrust increases

As temperature increases; thrust increases

As temperature increases; thrust decreases

Thrust is related only to temperature; and not to density

99. 47042 A turbofan engine with a high bypass ratio; means:

Most of the air passing through the engine will not enter the gas turbine

Most of the air passing through the fan will enter the gas turbine giving a higher thrust

The ratio of secondary air to primary air is less than 1:1

Most of the air passing the engine is used for cooling

100. 47428 The angle of attack at which an aeroplane stalls:

Will occur at smaller angles of attack flying downwind than when flying upwind

Is dependent upon the speed of the airflow over the wing

Is a function of speed and density altitude

Will remain constant regardless of gross weight

101. 52751 The specific gravity of a fully charged alkaline cell is:

0.120-0.130

1.160

1.240- 1.30

1.800

102. 52885 An induction motor has:

Slip rings and brushes

A commutator

No slip ring or brushes

Slip rings but no brushes

103. 47039 Vr may not be less than:

V1

At maximum practicable rotation rate; will result in a Vlof of Not less than 105% Vmu; with one engine inoperative

All answers are correct

104. 47448 If the tailplane is supplying a download and stalls due to contamination by ice:

The wing will stall and the aircraft will pitch-up due to the weight of the aircraft CG

Because it was supplying a download the aircraft will pitch nose up

The aircraft will pitch nose down

105. 48400 The fuel cross feed valves are fitted in order to facilitate:

The use of fuel from any tank to any engine

Refuelling when only one bowser is in use

Isolation of the engine from the fuel system in the case of an engine fire

Transfer of fuel between the main fuel tanks

106. 48419 When a generator is on line and its associated ammeter reads 10 amps; this is an indication of:

BTB’s being energized

Battery charge rate

Battery discharge rate

Generator load

107. 46651 The radio altimeter in an aircraft indicates:

Height

Altitude above the airport

Flight level above TDZN

Elevation above AMSL

108. 47701 The pressure gauge of an hydraulic system provides information regarding the pressure of:

The air in the accumulator

The air and hydraulic fluid in the system

The proportional pressure in the system

The hydraulic fluid in the system

109. 52672 A Reverse Thrust Warning Light illuminates:

Only when the reverser doors are fully deployed in the reverse thrust position

When the reverser doors are stowed in the forward thrust position

When the reverser doors are not stowed in the forward thrust position

Whenever reverse thrust is selected

110. 52704 The unit measurement of electrical resistance is:

The volt

The watt

The ohm

The ampere

111. 52737 Battery voltage is tested with:

A megometer

A voltmeter on rated load

An ammeter with a rated voltage

A hygrometer

112. 52883 In an induction motor:

The rotor is star connected

Magnetic fields blend evenly with one another

AC is induced in the rotor

A DC supply produces DC in the rotor

113. 47438 Slots increase the stalling angle of attack by:

Increasing leading edge camber

Delaying separation

Reducing the effective angle of attack

Reducing span-wise flow

114. 45955 What is meant by ESHP in turboprop engine?

The power created by the exhaust gases

The power created on the propeller shaft only

The power created on the propeller shaft; minus the power of the jet

The power created on the prop’s shaft + the power created by the exhaust gases

115. 47430 For an aircraft in a steady turn the stalling speed would be:

The same as in level flight

At a lower speed than in level flight

At a higher speed than in level flight; and a lower angle of attack

At a higher speed than in level flight and at the same angle of attack

116. 47707 A high pressure hydraulic pump

Needs a positive fluid supply

Does not need a positive fluid supply

Outlet pressure is governed by centrifugal force

Does not need a cooling fluid flow

117. 45975 An aircraft has the following weight data:

Basic operating weight: 68200 kgs

MZFW: 106600 kgs

MLDWT: 120400 kgs

MTOWT: 154500 kgs

Fuel tank load: 46400 kgs

Estimated fuel burn en-route:35300 kgs

Fuel burn in start + taxi: 500 kgs

What is the maximum payload under these conditions?

40400 kgs

41600 kgs

38400 kgs

37800 kgs

118. 47069 Why do some airplanes equipped with outboard/inboard ailerons use the outboards for slow flight only?

Increased surface area provides greater controllability with flap extension

Aerodynamic loads on the outboard ailerons tend to twist the wingtips at high speed

Locking out the outboard ailerons in high-speed flight provides variable flight control feel

Increased surface area provides greater stability with flap extension

119. 47507 The purpose of a trim tab is:

To assist the pilot in initiating movement of the controls

To zero the load on the pilots controls in the flight attitude required

To provide feel to the controls at high speed

To increase the effectiveness of the controls

120. 48383 A pressurisation system works by:

Essentially constant input mass flow and variable output

Essentially constant output mass flow and variable input

Does not start until an altitude of 8000 ft has been reached

Supplying hot gases from the engine exhaust unit to the mass flow control system

121. 47055 What is the relationship of the rate of turn with the radius of turn with a constant angle of bank but increasing airspeed?

Rate will decrease and radius will increase

Rate will increase and radius will decrease

Rate and radius will increase

Rate and radius will decrease

122. 52781 A free power turbine:

Has a clutch between the compressor and the power output shaft

Has no mechanical connection with the other turbine or compressor shafts

Has a direct drive with a free wheel unit

Comes free with every 2;000 gallons of AVTUR

123. 52860 In a Star wound three phase system:

Line voltage equals phase voltage and line current equals .707 times phase current

Line current and voltage are 1.73 times phase current and voltage

Line current equals phase current and line voltage equals .707 times phase voltage

Line current equals phase current and line voltage equals 1.73 times phase voltage

124. 53310 The propulsive thrust of a gas turbine is produced by:

The gasses ejected from the jet pipe pushing against the atmosphere

Compressing air

The reaction to the acceleration of the gas stream

Induction of air into the compressor

125. 47573 Controls are mass balanced in order to:

Eliminate control flutter

Aerodynamically assist the pilot in moving the controls

Provide equal control forces on all three controls

Return the control surface to neutral when the controls are released

126. 52668 Use of reverse thrust below the recommended speed may cause:

Over stressing of the gear oleos

Ingestion of the exhaust gases and foreign objects

More fuel to be provided to the burners

The T.G.T. limit to be exceeded; in which case the reverse thrust lever will return to the forward thrust position

127. 52842 An AC generator's I.D.U. oil system:

Is self contained

Is common with the engine oil system

Is used only for cooling

Is used only for lubrication

128. 47061 What is the highest speed possible without supersonic flow over the wing?

Initial buffet speed

Critical MACH number

Transonic index

Supersonic MACH number

129. 48326 If flaps are lowered during the take-off run:

The lift would not change until the aircraft is airborne

The lift would increase when the flaps are lowered

The lift would decrease

The acceleration would increase

130. 48361An elevon is:

An all moving tailplane that has no elevator

The correct name for a V-tail

A surface the extends into the airflow from the upper surface of the wing to reduce the lift

A combination aileron and elevator fitted to an aircraft that does not have conventional horizontal stabiliser [tailplane]

131. 47343 What true airspeed and angle of attack should be used to generate the same amount of lift as altitude is increased:

A higher true airspeed for any given angle of attack

The same true airspeed and angle of attack

A lower true airspeed and higher angle of attack

A constant angle of attack and true air speed

132. 47450 When flaps are lowered the stalling angle of attack of the wing:

Remains the same; but CL max increases

Increases and CL max increases

Decreases; but CL max increases

Decreases; but CL max remains the same

133. 52784 EPR is a:

Ratio between ambient pressure and exhaust pressure

Ratio between ambient pressure and fan pressure

Ratio between intake pressure and compressor delivery pressure

Ratio between exhaust pressure and intake pressure

134. 47349 What effect would a light crosswind have on the wingtip vortices generated by a large aeroplane that has just taken off:

The downwind vortex will tend to remain on the runway longer than the upwind vortex

A crosswind will rapidly dissipate the strength of both vortices

A crosswind will move both vortices clear of the runway

The upwind vortex will tend to remain on the runway longer than the downwind vortex

135. 48359 Aileron reversal would be most likely to occur:

With a rigid wing at high speed

With a flexible wing at high speed

With a rigid wing at low speed

With a flexible wing at low speed

136. 48378 During a normal pressurised cruise; the discharge valve position is:

At a position pre-set before takeoff

Partially open

Open until selected altitude is reached

Closed until selected altitude is reached

137. 52854 A frequency wild alternator must be:

Paralleled

A rotating magnet type

Self exciting

Unparalleled

138. 49724 Before a cargo change is made; the following information is known about an airplane:Aircraft weight 165;000 lbCG 30.5 percent of MACLength of MAC 860.2 to 1040.9 inIf 5;000 pounds of cargo is added to an average location of station 680.0; what is the new CG relative to MAC

24.3 percent

26.7 percent

34.3 percent

27.6 percent

139. 47499 A horn balance on a control surface is:

An arm projecting upward from the control surface forward of the hinge line

A projection of the outer edge of the control surface forward of the hinge line

A rod projection forward from the control surface with a weight on the end

A projection of the leading edge of the control surface below the wing under-surface

140. 52780 Nozzle guide vanes are fitted before the turbine:

To increase the velocity of the airflow

To decrease the velocity of the gas flow therefore increasing its pressure

To increase the velocity of the gas flow therefore reducing its pressure

To increase the temperature of the gas flow

141. 45931 Why do some airplanes; equipped with inboard and outboard ailerons; use the outboard ailerons for slow flight only?

Increased surface area provides greater stability with flap extension

Aerodynamic loads on the outboard tend to twist the wingtips at high speeds

Locking out the outboard ailerons in high-speed flight provides variable flight control feel

To decrease the amount of wake turbulence

142. 47085 What is the maximum allowable payload under the following conditions?

Basic operating weight 100;500 kgs

MZFW 138;000 kgs

MLDWT142;000 kgs

MTOWT184;200 kgs

Fuel tank load 54;000 kgs

EST. fuel Burn EN-ROUTE 40;000 kgs

Fuel for start + taxi 500 kgs

28000 .kgs

30500 .kgs

33000 .kgs

25500 .kgs

143. 47045 What will be the ratio between airspeed and lift; if the angle of attack and other factors remain constant and airspeed is doubled?

Lift will be the same

Lift will be two times greater

Lift will be three times greater

Lift will be four times greater

144. 53226 If carburator heat is selected density will:

Increase due to the increase in air temperature

Increase due to the decrease in air temperature

Decrease due to the increase in air temperature

Decrease due to the decrease in air temperature

145. 48451 A three phase AC system can be used to supply:

Both one or three phase equipment

Only three phase equipment

Only single phase equipment

Only inductive or capacitive loads

146. 47059 What characteristic should exist; if an airplane is loaded to the AFT limit of ITS CG range?

Sluggish in aileron control

Sluggish in rudder control

Unstable about the longitudinal axis

Least stability about the lateral axis

147. 47080 The primary purpose of high-lift devices is to increase the:...

L/D max

Lift at low speeds

Parasite drag at low speed

Induced drag at low speed

148. 47120 When the angle of attack of a positively cambered aerofoil is increased; the centre of pressure will:

Have very little movement

Move forward along the chord line

Remain unaffected

Move back along the chord

149. 52783 The net operating temperature of a gas turbine engine is limited by:

The materials from which the combustion chamber is constructed

The amount of fuel which can be fed into the combustion chamber

The ability of the compressor to pass sufficient air rearwards

The materials from which the nozzle guide vanes and the turbine blades are constructed

150. 52681 The power supply for the spark in the combustion chamber is:

Low volts high current

Low volt slow current

High volt slow current

High volts high current

151. 48448 To ensure correct load sharing on paralleled alternator:

Both real and reactive loads should be balanced

Actual loads should be the same

Reactive loads should be the same

The load impedance should be constant

152. 47339 Which of the following statements is correct:

1.To generate a constant lift force; any adjustment in IAS must be accompanied by a change in angle of attack.

2. For a constant lift force; each IAS requires a specific angle of attack.

3. Minimum IAS is determined by CL MAX.

4. The greater the operating weight; the higher the minimum IAS.

1; 2 and 4

4 only

2; 3 and 4

1; 2; 3 and 4

153. 48376 With the QFE set on the cabin controller; against an altitude of zero

The fuselage will be pressurised on landing

A ground pressurisation will automatically take place

The cabin will be un pressurised on landing

The flight deck will be depressurised

154. 48399 De-refuelling fuel:

Can only be used in domestic heating systems

Can only be used by aircraft from the same operators fleet

Must be put back into storage

Cannot be re-used until its quality has been verified

155. 52785 In a high by pass engine whose fan max rpm is 20000rpm; when turning at 5000rpm will develop approx.

25% take off thrust

50% take off thrust

5% take off thrust

15% take off thrust

156. 45926 While cruising at 300 mb and maintaining a 10000 feet cabin altitude; what is the approximate differential pressure? [10000 feet is 693 mb]

5.7 PSI

10 PSI

12 PSI

9 PSI

157. 47070 For which purpose may flight spoilers be used?

Reduce the wing's lift upon landing

Increase the rate of descent without increasing aerodynamic drag

Aid in longitudinal balance when rolling an airplane into a turn

Aid in lateral balance when rolling an airplane into a turn

158. 47398 [Refer to the attached figure] Consider only aspect ratio [other factors remain constant]. Which aircraft will generate greatest lift?

1

2

3

4

159. 47489 The secondary effect of yawing to left is to

Roll to starboard

Pitch nose up

Roll first to right and then to left

Roll to left

160. 48403 What is the function of a collector tank [feeder box]

Prevent detonation during takeoff

Prevent cavitation of the booster pumps

Prevent fuel surge due to extreme aircraft attitude

Allow suction feeding of the engine pump

161. 52848 Oil for the operation of a C.S.D.U. is:

Supplied from the engine oil system

A separate self contained supply

Drawn from a common tank for all C.S.D.U.s

Only required for lubrication purposes

162. 49722 Before a cargo change is made; the following is known about an airplane:Aircraft weight 250;000 lbCG 30.5 percent of MACLength of MAC station 763.0 to 1035.3If 5000 pounds of cargo is removed from an average location of station 1010.0; what is the new CG relative to MAC ?

27.5 percent

29.3 percent

31.7 percent

26.7 percent

163. 47591 Takeoff power is being delivered by all engines and the take-off is proceeding normally; the undercarriage has just retracted. Which initial indications may be observed when a headwind shears to a downdraught?

Indicated Air Speed: constant. Vertical Speed: decreases. Pitch Attitude: decreases

Indicated Air Speed: increases. Vertical Speed: decreases. Pitch Attitude: constant

Indicated Air Speed: decreases. Vertical Speed: constant. Pitch Attitude: constant

Indicated Air Speed: decreases. Vertical Speed: decreases. Pitch Attitude: decreases

164. 47511 On a servo tab operated elevator; if the pilot's control column is pushed forward in flight:

The servo tab will move down causing the elevator to move up

The elevator will move down causing the servo tab to move up

The elevator will move up causing the servo tab to move down

The servo tab will move up causing the elevator to move down

165. 48372 A/C in level flight; if cabin altitude increases does pressure diff:

Increase

Decrease

Remain the same

Nil

166. 52673 The low energy ignition system would be used:

Only for starting the engine on the ground

During take off from wet runways

For re-light at high altitude

During a blow out [motoring over] cycle

167. 47083 Which is a purpose of leading edge slats on high performance wings?

Improve aileron control during low angle of attack

Direct air from the high pressure area under the leading edge along the top of the wing

Direct air from the low pressure area under the leading edge along the top of the wing

Decrease lift at relative slow speeds

168. 52649 The By-Pass Ratio of an engine is the ratio of:

Primary air to tertiary air

Cold stream air to that flowing through the hot core of the engine

Exhaust gas pressure to air intake pressure

Primary air to secondary air

169. 49730 A cargo airplane loaded to a maximum takeoff gross weight of 165;000 pounds is tail heavy. How many 50 pounds boxes must be moved from station 1200.0 to station 710.0 to move the CG forward 3.2 inches?

3 Boxes

6 Boxes

12 Boxes

22 Boxes

170. 50308 If the engine is being feathered; the pilot must be sure:

To move the control to feather position before the engine speed drops below 800 RPM

To move the control to feather position before the engine speed drops below 1000 RPM

To move the control to feather position before the engine speed drops below 1500 RPM

171. 47594 What is the expected duration of an individual micro burst?

Two minutes with maximum winds lasting approximately 1 minute

Seldom longer than 15 minutes from the time the burst strikes the ground until dissipation

One micro burst may continue for as long as 2 to 4 hours

For as long as 1 hour

172. 48360 The control surface which gives longitudinal control is

The rudder

The ailerons

The elevators

The flaps

173. 48381 If pressure is manually controlled:

An extra member is required to monitor system operation

The climb rate would be maintained automatically

Climb rate could not be maintained

Care should be taken to ensure climb/descent rates are safe

174. 52845 In the event of a mechanical malfunction of the alternator:

The drive disconnect unit will automatically separate the C.S.D.U. from the alternator

The real load will be adjusted to compensate

The quill drive will fracture

The C.S.D.U. oil temperature will decrease

175. 47401 With reference to the attached figure; the type of flap illustrated is a

Slat

Fowler flap

Krueger flap

Variable camber flap

176. 52648 Gas turbine engine efficiency increases with:

An increase in volumetric efficiency

An increase in ambient temperature

A decrease in ambient temperature

A decrease in ambient air pressure

177. 52789 From a standing start with an increase in forward speed jet thrust will:

Increase

Stay the same

Decrease

Decrease then recover but will never achieve its initial setting

178. 52680 The rate of discharge of a High Energy Ignition Unit is:

60 – 100 times per minute

4 discharges per revolution

60 – 100 per second

Governed by the resistance of the igniter plug

179. 47407 Which statement is true relative to changing angle of attack?

A decrease in angle of attack will increase pressure below the wing; and decrease drag

An increase in angle of attack will decrease pressure below the wing; and increase drag

An increase in angle of attack will increase drag

A decrease in angle of attack will decrease pressure below the wing and increase drag

180. 47715 The purpose of a reservoir is to

Compensates for temperature changes

Compensates for small leaks; expansion and jack displacement

Compensates for fluid loss

To minimise pump cavitation

181. 48380 When air is pressurised; the % oxygen:

Increases

Decreases

Remains the same

Nil

182. 52677 A high energy ignition system works on the principle of:

Obtaining power from a step up transformer from the aircraft's A.C. power system

Magneto static induction

Fleming's Right Hand Rule

Obtaining energy from the discharge of a capacitor

183. 47506 The purpose of a spring tab is:

To maintain a constant tension in the trim tab system

To increase the feel in the control system

To reduce the pilot's effort required to move the controls against high air loads

To compensate for temperature changes in cable tension

184. 47569 The maximum allowable airspeed with flaps extended [VFE ] is

They are used only when preparing to land

The additional lift and drag created would overload the wing and flap structure at higher speeds

Flaps will stall if they are deployed at too high an airspeed

Too much drag is induced

185. 52839 Paralleled alternators will have:

One load meter which measures total system load

One voltmeter for each alternator

One load meter for each alternator

One meter which indicates both voltage and frequency

186. 52653 In a by-pass engine; the by-pass air:

Increases the air mass flow and therefore increases the propulsive efficiency

Cools the combustion chamber and therefore increases the thermal efficiency

Reduces the air mass flow and therefore increases the propulsive efficiency

Increases the air mass flow and therefore reduces the propulsive efficiency

187. 48443 The number of separatre stator windings in an AC generator determines:

The output voltage of the supply

The output frequency of the supply

The power factor

The number of phases present in the supply

188. 47567 The speed VNE is:

The airspeed which must not be exceeded except in a dive

The maximum airspeed at which manoeuvres approaching the stall may be carried out

The maximum airspeed at which an aircraft may be flown

The maximum speed. above which flaps should not be extended

189. 52788 As temperature ___ air density _ and the mass of air for given enginespeed _ therefore thrust _. To maintain the compressor speed however _ fuel must be added or the compressor will ___.

Decreases; decreases; increases; increases; less; slowdown

Increases; decreases; decreases; increases; more; slow down

Decreases; increases; increases; increases; more; slow down

Increases; decreases; increases; decreases; less; speed up

190. 52675 Precautionary use of igniters may be necessary during:

Flight through heavy tropical rainstorm

Ground running

Flight through sandy conditions

Flight through very dry air

191. 49915 In a cable control system cables are tensioned to:

1. Remove backlash from the control linkage.

2. Provide tension on the turnbuckle.

3. Provide positive action in both directions.

4. Ensure the full range is achieved.

5. Compensate for temperature variations.

3;1 .and 5 only

3 .only

4 .only

All the above

192. 47025 With increasing altitude; up to about 40;000 ft; the characteristics of air change:

1 -Temperature decreases continuously with altitude

2 -Pressure falls steadily to an altitude of about 36;000 ft; where it then remains constant

3 -Density decreases steadily with increasing altitude

4 -Pressure falls steadily with increasing altitude

The combination of true statements is:

3 and 4 Correct

1; 2 and 3 Incorrect

2 and 4 Incorrect

1 and 4 Incorrect

193. 52655 During the Brayton cycle; combustion takes place:

Continuously

Once every revolution

Once every other revolution

Only during the start cycle

194. 52747 A lead acid battery voltage should be checked:

On open circuit

Using a trimmer circuit

With an ammeter

On load

195. 47087 [Refer to figures 76; 79 and 80]. What is the CG in percent of MAC for a loading conditions WT-1?

26.0% MAC

27.1 MAC

27.9 MAC

25.4 MAC

196. 50284 When the CO2 emergency gear extension system control is pulled; the landing gear control on the selector valve must be:

In 'Up' position

In 'Neutral' position

In 'Down' position

197. 47738 A nose wheel steering control system:

Prevents the nosewheel from castering at all times

Allows the nosewheel to caster within preset limits when in the neutral position

Allows the nosewheel to caster freely at all times

Prevents the nose gear from lowering if the nosewheels are not centralised

198. 47088 [Refer to figures 76; 79 and 80]. What is the CG in inches AFT of datum for a loading conditions WT-2?

905.2 Inches

909.6 Inches

910.7 Inches

911.6 Inches

199. 53229 Throttle icing is formed when:

Entrained water in the fuel freezes on the throttle plate

Moisture in the air freezes on the induction pipe work downstream of thethrottle plate

Moisture in the air freezes on the throttle plate

Entrained water in the fuel freezes on the induction pipe work upstream of the throttle plate

200. 52782 Blade creep is:

Movement of the turbine blades around the turbine disc

Temporary expansion due to temperature change

Temporary elongation due to centrifugal forces

Permanent elongation due to heat and centrifugal force

General Technical Knowledge

1. 47572 What is the purpose of fitting the engines to an aircraft using wing mounted pylons?

2.

What first name or nickname would you like us to use?

2. 52748 In an aircraft having a battery of 24 volts nominal and fully charged the voltmeter would read:

3. 52877 The purpose of an inverter is:

4. 53262 In a turbo charger; which item controls the MAP?

5. 53094 The electromagnetic brake on an actuator is only energized:

6. 47716 The purpose of a reservoir is:

7. 52745 A battery is checked for serviceability by:

8. 52876 Where the aircraft's main electrical supply is A.C; DC requirements are met by:

9. 45940 Shock-induced seperation of airflow occuring symmentrically near the wing-root of a swept-back wing; may result in:

10. 52756 When the battery master switch is switched off in flight:

11. 45922 Vle is defined as:

12. 47062 What is the free stream MACH number which produces first evidence of local sonic flow?

13. 47063 What is the movement of the center of pressure when the wingtips of a swept wing airplane are shock-stalled first?

14. 52753 The electrolyte used in an alkaline battery is a diluted:

15. 52882 The basic principle of operation of a 3 phase induction motor is:

16. 47549 For a multi-engine aircraft; V MCG is defined as the minimum control speed on the ground with one engine inoperative. The aircraft must be able to:

17. 47708 The purpose of an accumulator is to:

18. 48404 Fuel tank booster pumps are:

19. 52746 The specific gravity of a fully charged lead acid cell is:

20. 47541 Skidding outward in a turn is caused by

21. 52752 The electrolyte used in the lead acid cell is diluted:

22. 52884 In a synchronous motor; the rotor is:

23. 47044 Which factor has the effect of increasing V1 speed?

24. 47101 A cargo aircraft loaded to maximum takeoff gross weight of 75;000 kgs is out of the aft CG limit. How many 24 kgs boxes must be moved from the 1;200' station to the 710' station to move the CG forward 3.1 inches?

25. 53283 The optimum angle of attack for a propeller-blade is:

26. 47395 [Refer to the attached figure] Which aircraft has the highest aspect ratio?

27. 47537 During a turn the lift force may be resolved into two forces; these are

28. 48398 The aircraft cannot be refuelled while:

29. 52750 The nominal voltage of an alkaline cell is:

30. 45950 In a turbojet engine the turbine's purpose is to:

31. 47603 Thrust is being managed to maintain desired indicated airspeed and the glide slope is being flown. Which of the following is the recommended procedure when you observe a 30 kt loss of airspeed and the descent rate increases from 750 ft/min to 2;000ft/min?

32. 47431 Formation of ice on the wing leading edge will:

33. 52853 An aircrafts constant frequency supply is maintained at:

34. 52886 A squirrel cage rotor:

35. 53223 When the mixture lever is at the idle cut-off position:

36. 52743 Battery capacity percentage efficiency must always be:

37. 52887 A starting circuit for a powerful single phase induction motor might be:

38. 45908 The trimming devices on a particular airplane include trailing edge tabs on the rudder and on the right aileron, operated by the pilot. If the airplane is trimmed to a more nose-right and right-wing up position:

39. 48397 During fuel jettison; the aircraft is protected against running out of fuel by:

40. 45956 What is the difference between turbine fuel jet A and A1?

41. 46558 If during a descent the static line becomes blocked; the ASI will:

42. 47437 Sweepback on a wing will

43. 47446 In a 30 Degrees bank level turn; the stall speed will be increased by:

44. 47544 An increase in airspeed while maintaining a constant load factor during a level; coordinated turn would result in

45. 45924 The cabin pressure control setting had a direct effect upon the:

46. 48396 Baffles are fitted in aircraft fuel tanks:

47. 50281 During the starting; the engine should be stopped if:

48. 45946 The purpose of flight spoilers is to...

49. 47443 The input data to a stall warning device [e.g. stick shaker] system is

50. 48045 Mach number is:

51. 47037 An airplane loaded at its aft CG limit; [in comparison to the same airplane if loaded at its fwd CG limit]; will have which effects on the longitudinal static stability and longitudinal controllability?

52. 47052 Why must angle of attack be increased during a turn to maintain altitude?

53. 47429 For an aircraft with a 1g stalling speed of 60 kt IAS; the stalling speed in a steady 60 Degrees turn would be:

54. 48435 מהן פעולותיך במקרה של אובדן מנוע חלקי אשר ההמראה מבוצעת ממסלול קצר

55. 47036 How does heavy rain affect airplane performance in flight?

56. 47433 The stalling speed of an aeroplane is most affected by:

57. 48426 Failure of an aircraft generator is indicated by:

58. 47436 On a highly tapered wing without wing twist the stall will commence:

59. 53088 Capacitive reactance is the:

60. 48401A 'wide cut' fuel is:

61. 52851 Warnings of C.S.D.U. oil overheat are given in the cockpit by:

62. 52880 A synchronous motor runs at a speed that depends upon the supply:

63. 52879 Reversing two phases to a three phase motor will:

66. 47434 Stalling may be delayed to a higher angle of attack by:

67. 48436 מהן פעולותיך במצב של אובדן מנוע חלקי כאשר יש לפניך מסלול ארוך

68. 52881 If one phase of the supply to a three phase motor fails; then:

69. 47426 If the aircraft weight is increased without change of CG position; the stalling angle of attack will:

70. 47074 What is the purpose of a servo tab?

71. 50293 The micro-switch incorporated in the throttle quadrant activates a warning horn in flight under the following conditions:

72. 47439 A rectangular wing; when compared to other wing planforms; has a tendency to stall first at the

74. 47575 If flutter is experienced during flight; the preferable action would be

75. 47714 Fluid level in a reservoir will; when pressurised:

76. 47046 What true airspeed and angle of attack should be used to generate the same amount of lift as altitude is increased?

77. 53271 A ground boosted turbocharger is designed to:

78. 47424 An aeroplane will stall at the same:

79. 46639 If the sub-scale of an altimeter which reads 1;500 FT is changed from 1;006 MB to 998 MB. What will be the new reading if 1MB=27FT?

80. 47447 Heavy rain can increase the stall speed of an aircraft for which of the following reasons?

1. 47572
What is the purpose of fitting the engines to an aircraft using wing mounted pylons?

142. 47085 What is the maximum allowable payload under the following conditions?

Basic operating weight 100;500 kgs

MZFW 138;000 kgs

MLDWT142;000 kgs

MTOWT184;200 kgs

Fuel tank load 54;000 kgs

EST. fuel Burn EN-ROUTE 40;000 kgs

Fuel for start + taxi 500 kgs