Instrumentation

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    43893 Refer to Figure 108.Where should the bearing pointer be located relative to the wingtip reference to maintain the 16 DME range in a left-hand arc with a left crosswind component?

    • Ahead of the left wingtip reference for the VOR 2
    • Ahead of the right wingtip reference for the VOR 1
    • Behind the left wingtip reference for the VOR 2
    • Behind the right wingtip reference for the VOR 1
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Instrumentation - Quiz

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  • 2. 
    45085 Refer to the attached figure.You perform the ILS RWY 12 approach. What is the correct HSI and FD reading interpretation? - ProProfs

    45085 Refer to the attached figure.You perform the ILS RWY 12 approach. What is the correct HSI and FD reading interpretation?

    • The aircraft is below the glide slope [G/S]; and you must decrease the ROD in order to come back to the G/S; in addition; you must increase the bank angle in order to prevent the 'overturn'

    • The aircraft is presently on the G/S; but you must decrease the ROD in order to maintain the G/S; in addition; you must decrease the bank angle in order to prevent the 'under turn'

    • The aircraft is above the glide slope [G/S]; and you must increase the ROD in order to come back to the G/S; in addition; you must increase the bank angle in order to prevent the 'overturn'

    • The HSI and FD readings are contradictory

    Correct Answer
    A. The aircraft is presently on the G/S; but you must decrease the ROD in order to maintain the G/S; in addition; you must decrease the bank angle in order to prevent the 'under turn'
  • 3. 
    46341 Refer to the attached figure.If the radio magnetic indicator is tuned to a VOR; which illustration indicates the aircraft is on the 010 Degrees radial? - ProProfs

    46341 Refer to the attached figure.If the radio magnetic indicator is tuned to a VOR; which illustration indicates the aircraft is on the 010 Degrees radial?

    • 1

    • 2

    • 3

    • 4

    Correct Answer
    A. 3
  • 4. 

    46552 When using the magnetic compass during a coordinated turn in the northern hemisphere or the southern hemisphere; you must take into account the magnetic dip error. You must allow In addition to the normal lead-out of turn a number of degrees approximately equal to your latitude.If your normal lead-out of turn is 5 Degrees and you are turning from 225 Degrees to 180 Degrees at magnetic latitude 15 DegreesS; at which compass heading will you start roll-out of turn?

    • 170 Degrees [C]

    • 160 Degrees [C]

    • 200 Degrees [C]

    • 190 Degrees [C]

    Correct Answer
    A. 200 Degrees [C]
  • 5. 

    46556 If the pitot line is blocked; the VSI will:

    • Read zero ft/min rates of climb or descent

    • Over read

    • Under read

    • Read normally

    Correct Answer
    A. Read normally
  • 6. 

    46564 In the electrically driven artificial horizon the primary purpose of the mercury switches is to:

    • Prevent drift/topple of the spin axis

    • Sense topples of the spin axis

    • Provide current for the fast erect circuit

    • Prevent the gyro from toppling when power is removed from the instrument

    Correct Answer
    A. Prevent drift/topple of the spin axis
  • 7. 
    46567  You plan a catcgory-1 ILS approach to RWY 10 at THESSALONIKI GREECE; ACFT category ׳C׳. Refer to attached Jeppesen chart [11-1] 05 1UL 02/MAKEDONIA TWR reported TEMP +36 DegreesC; and QNH 1,013.25. If +3 DcgrccsC DEV from ISA changes indicated altitude [ft] by +/-1%. What should your altimeter read; when overhead the DH; if established on the G/S at the minima; and altimeter set to local QNH? - ProProfs

    46567  You plan a catcgory-1 ILS approach to RWY 10 at THESSALONIKI GREECE; ACFT category ׳C׳. Refer to attached Jeppesen chart [11-1] 05 1UL 02/MAKEDONIA TWR reported TEMP +36 DegreesC; and QNH 1,013.25. If +3 DcgrccsC DEV from ISA changes indicated altitude [ft] by +/-1%. What should your altimeter read; when overhead the DH; if established on the G/S at the minima; and altimeter set to local QNH?

    • Altitude 195' ft

    • Altitude 186' ft

    • Altitude 223' ft

    • Altitude 205' ft

    Correct Answer
    A. Altitude 195' ft
  • 8. 

    46570 A simple pressure altimeter uses:

    • Static pressure fed to an open capsule

    • Pitot pressure fed to an open capsule

    • Static pressure fed into a gas tight casing; but outside a partially evacuated capsule

    • Static pressure fed outside a completely evacuated aneroid capsule

    Correct Answer
    A. Static pressure fed into a gas tight casing; but outside a partially evacuated capsule
  • 9. 

    46571 The accuracy of an altimeter is questionable when the difference between the...:

    • Pilot and copilot altimeters is more than 75 feet in flight

    • Pilot and copilot altimeters is more than 75 feet on the ground

    • Known field elevation and the indicated altitude is more than 75 feet

    • Indicated altitude and the altitude reported by ATS is more than 100 feet

    Correct Answer
    A. Known field elevation and the indicated altitude is more than 75 feet
  • 10. 

    46575 Total air temperature is equal to:

    • OAT corrected for altitude

    • Ambient temperature minus the ram rise from adiabatic compression of the boundary layer

    • SAT +100% ram rise when TA probe recovery factor is equal to 1.0

    • When the airplane is stationary

    Correct Answer
    A. SAT +100% ram rise when TA probe recovery factor is equal to 1.0
  • 11. 

    46576 When will the static air temperature equal ram air temperature?

    • When the airplane is stationary

    • At airplane speeds above mach 0.30

    • At ISA conditions

    • At low flight altitude

    Correct Answer
    A. When the airplane is stationary
  • 12. 

    46578 On a 2 DOT HSI indicator; one dot represents deviation:

    • 0.5 Degrees from localizer center line; and 2.5 Degrees from VOR radial

    • 10 Degrees from localizer center line; and 5 Degrees from VOR radial

    • 1.25 Degrees from localizer center line; and 5 Degrees from VOR radial

    • 5 Degrees from localizer center line; and 10 Degrees from VOR radial

    Correct Answer
    A. 1.25 Degrees from localizer center line; and 5 Degrees from VOR radial
  • 13. 

    46632 Which of the following is true when turning with reference to a compensated air driven artificial horizon?

    • There will be significant errors in both pitch and roll

    • The indications will be correct for a given TAS and rate of turn

    • The indications will be correct in pitch only

    • The indications will be correct in roll only

    Correct Answer
    A. The indications will be correct for a given TAS and rate of turn
  • 14. 

    46642 If the static vents becomes blocked in a descent at 500 FT/MIN.What will be the reading on an instantaneous reading VSI after a very short period?

    • Descent at 500 FT/MIN

    • Climb at 500 FT/MIN

    • Descent at 250 FT/MIN

    • Zero

    Correct Answer
    A. Zero
  • 15. 

    46643 Mach number is:

    • The ratio of IAS to local sound speed

    • The ratio of TAS to local sound speed

    • The speed at which compressibility correction must be calculated

    • The ratio of EAS to local sound speed at that temperature

    Correct Answer
    A. The ratio of TAS to local sound speed
  • 16. 

    46648 What indications would be expected on the electrically driven artificial horizon while accelerating on take-off?

    • A descending turn to the left

    • A climbing turn to the left

    • A descending turn to the right

    • A climbing turn to the right

    Correct Answer
    A. A climbing turn to the right
  • 17. 

    46651 The radio altimeter in an aircraft indicates:

    • Height

    • Altitude above the airport

    • Flight level above TDZN

    • Elevation above AMSL

    Correct Answer
    A. Height
  • 18. 

    46653 While cruising you maintain heading 315 Degrees[M]; the HSI course pointer is set on radial 230 Degrees and shows a ,from’ indication. The CDI needle is right of the selected radial. The flight mode selector is on NAV. When the selected course is captured; the flight director command bars will show:

    • A bank to the right

    • A bank to the left

    • A level attitude

    • Will not move

    Correct Answer
    A. A bank to the left
  • 19. 

    46656 While cruising you maintain heading 325 Degrees[M]; the HSI course pointer is set on radial 230 Degrees and shows a 'TO' indication. The CDI needle is right of the selected radial. The flight mode selector is on 'NAV'.When the selected course is captured; the flight director command bars will show:

    • A bank to the right

    • A bank to the left

    • A level attitude

    • Will not move

    Correct Answer
    A. A bank to the left
  • 20. 

    48639 A static vent is used to measure:

    • Dynamic pressure minus pitot excess

    • Dynamic pressure plus pitot excess

    • Atmospheric pressure

    • Pitot excess pressure

    Correct Answer
    A. Atmospheric pressure
  • 21. 

    48646 Where an alternate static source is fitted, use of this source usually leads to:

    • A temporary increase in lag error

    • A lower pressure error than with normal sources

    • An increase in position error

    • No change in position error

    Correct Answer
    A. An increase in position error
  • 22. 

    48652 A remote reading thermometer depends upon_____________to indicate changes in temperature:

    • Change of electrical resistance of the two metals

    • Change of electrical resistance with temperature

    • Change of electrical resistance with change in pressure

    • Change of electrical capacitance with change In temperature

    Correct Answer
    A. Change of electrical resistance with temperature
  • 23. 

    48690 In gyroscopic theory; the term 'drift' is defined as:

    • Real wander only; in the horizontal plane

    • Wander; real or apparent; in the vertical plane

    • Apparent wander only; in the horizontal plane

    • Wander; real or apparent; in the horizontal plane

    Correct Answer
    A. Wander; real or apparent; in the horizontal plane
  • 24. 

    48695 Apparent wander of a gyro is caused by:

    • Rotation of the earth

    • Clear air turbulence

    • Gimbal friction

    • External torque

    Correct Answer
    A. Rotation of the earth
  • 25. 

    48713 If the filter of the air driven rate of turn indicator becomes partially blocked:

    • The aircraft will turn faster than indicated

    • The instrument will over-read

    • The rate of turn indicated will be unaffected

    • The radius of the turn will decrease

    Correct Answer
    A. The aircraft will turn faster than indicated
  • 26. 

    48853 WXR display is on:

    • The captain's CRT only

    • The co-pilot CRT only

    • A special screen

    • On both the captain's and the co-pilot's CRTs

    Correct Answer
    A. On both the captain's and the co-pilot's CRTs
  • 27. 

    49375 The correct sequence of colors of a color Airborne Radar as returns get stronger is:

    • Red; yellow; green

    • Yellow; green; red

    • Green; yellow; red

    • Red; green; yellow

    Correct Answer
    A. Green; yellow; red
  • 28. 

    49384 The Ground Proximity Warning mode 5 provides a visual and audible warning to the pilot if the aircraft:

    • Descends below 500ft radio altitude with gear retracted

    • Is below 1000ft radio altitude and more than 1.3 dots below the ILS glide path

    • Descend below 200ft radio altitude with flaps retracted

    • Sinks more than approximately 10% of accumulated altitude

    Correct Answer
    A. Is below 1000ft radio altitude and more than 1.3 dots below the ILS glide path
  • 29. 

    49389 With reference to GPWS Mode 4. At or below what radio altimeter altitude is mode 4 activated if not in the landing configuration?

    • 500 ft

    • 700 ft

    • 200 ft

    • 790 ft

    Correct Answer
    A. 700 ft
  • 30. 

    50052 An automatic flight control system:

    • Is another name for an autopilot system

    • Applies flight data to the auto pilot system

    • Is automatically disengaged by a GPWS alert

    • Can only be used in EFIS equipped aircraft

    Correct Answer
    A. Is another name for an autopilot system
  • 31. 

    46595 When using the magnetic compass during a coordinated turn in the northern hemisphere or the southern hemisphere; you must take into account the magnetic dip error. You must allow in addition to the normal lead-out of turn a number of degrees approximately equal to your latitude.If your normal lead-out of turn is 5 Degrees DEG. and you are turning from 135 Degrees to 180 Degrees magnetic latitude 20 DegreesS; at which compass heading will you start rollout of turn?

    • 208 Degrees [C]

    • 175 Degrees [C]

    • 155 Degrees [C]

    • 185 Degrees [C]

    Correct Answer
    A. 155 Degrees [C]
  • 32. 

    47779 The red pole of a freely suspended magnet will point toward. _____________ and at latitude 60 DegreesN willpoint _______________ at an angle known as the angle of ______________.

    • The nose of the aircraft; downwards; deviation

    • The north magnetic pole; downwards; variation

    • The nearest pole; downwards; declination

    • The north magnetic pole; downwards; dip

    Correct Answer
    A. The north magnetic pole; downwards; dip
  • 33. 

    47781 The directive force of the earth’s magnetic field:

    • Varies with the heading of the aircraft

    • Increases as the magnetic variation increases

    • Increases as magnetic latitude increases

    • Is greatest at the magnetic equator

    Correct Answer
    A. Is greatest at the magnetic equator
  • 34. 

    48700 Errors of the directional gyro are:

    • Acceleration error; turning error; altitude error; transport wander; rotor speed error

    • Gimballing error; random wander; apparent wander; rotor speed error; transport wander

    • Gimballing error; looping error; rolling error; rotor speed error; transport wander

    • Transport wander; apparent wander; latitude error; turning error; acceleration error

    Correct Answer
    A. Gimballing error; random wander; apparent wander; rotor speed error; transport wander
  • 35. 

    46553 Maintaining FL120; area QNH is reported 1;009 hPa:

    • You are at an altitude of more than 12;000' ft AMSL

    • You maintain an altitude of 12;000'ft AMSL

    • You are at an altitude of less 12;000'ft AMSL

    • No answer is correct

    Correct Answer
    A. You are at an altitude of less 12;000'ft AMSL
  • 36. 

    46566 An aircraft is fitted with an electrically driven artificial horizon. The gyro within the artificial horizon begins to topple such; that the top of the spin axis moves in the athwartships plane; towards the left wing:

    • This topple is sensed by a mercury switch lying in the fore and AFT plane; and energizes a torque motor which applies a force about the athwartships axis

    • This topple is sensed by a mercury switch lying in the athwartships plane; and energizes a torque motor which applies a force-about the fore and AFTaxis

    • This topple is sensed by a mercury switch lying in the fore and AFT plane; and energizes a torque motor which applies a force about the fore and AFT axis

    • This topple is sensed by a mercury switch lying in the athwartships plane; and energizes a torque motor which applies force about the athwartshipsaxis

    Correct Answer
    A. This topple is sensed by a mercury switch lying in the fore and AFT plane; and energizes a torque motor which applies a force about the fore and AFT axis
  • 37. 

    46572 An ASI consists of a gas tight casing; which has:

    • Static pressure fed outside a sealed capsule and pitot pressure fed in to a second open capsule

    • Static pressure fed outside a sealed capsule

    • Pitot pressure fed in to an open capsule and static pressure fed outside the capsule

    • Static pressure fed out side a restrictive choke

    Correct Answer
    A. Pitot pressure fed in to an open capsule and static pressure fed outside the capsule
  • 38. 

    46596 In the Northern Hemisphere; if the turn is made to a southerly heading from any direction between 225 Degrees and 135 Degrees; the roll out of the turn is made:

    • Before the desired heading is reached

    • After the desired heading is passed

    • When the desired heading is reached

    • When the desired heading is reached; if the turn bank less than 30 Degrees

    Correct Answer
    A. After the desired heading is passed
  • 39. 

    46600 What is the effect on a direct reading compass if an aircraft accelerates on a East heading in the Northern Hemisphere?

    • Correct indications with an Increase in residual dip

    • Correct indications with a decrease in residual dip

    • Will cause the compass to indicate a turn toward North

    • Will cause the compass to indicate a turn toward South

    Correct Answer
    A. Will cause the compass to indicate a turn toward North
  • 40. 

    46629 Which of the following determine the rigidity of a gyroscope?

    • The strength of the calibrated springs

    • The speed of rotation and the plane of rotation of the rotor

    • The speed; radius and mass of the rotor

    • The precession and moment of inertia of the rotor

    Correct Answer
    A. The speed; radius and mass of the rotor
  • 41. 

    46641 If the pitot tube becomes blocked during a descent; what will be the effect on the indicated airspeed?

    • Over-read

    • Under-read

    • Return to zero

    • Over read for short time; than return to zero

    Correct Answer
    A. Under-read
  • 42. 

    47784 Which of the following materials are classed as ferromagnetic:

    • Iron; steel; carbon-fibre

    • Nickel; iron; steel

    • Copper; iron; carbon steel

    • Iron; cobalt steel; chromium steel

    Correct Answer
    A. Iron; cobalt steel; chromium steel
  • 43. 

    48651 The difference between static air temperature and total air temperature is known as:

    • Corrected outside air temperature

    • The ram rise

    • The recovery factor

    • Hot ramp radiation

    Correct Answer
    A. The ram rise
  • 44. 

    48654 Compressibility error

    • Causes over reading of the ASI at all levels whenever TAS exceeds 300kt

    • Causes over reading of the ASI whenever CAS exceeds 300kt

    • Is calibrated out of the ASI at MSL ISA conditions and only causes overreading when air density is decreased and CAS exceeds 300kt

    • Is calibrated out of the ASI at MSL ISA conditions and only causes overreading when air density is decreased and TAS exceeds 300kt

    Correct Answer
    A. Is calibrated out of the ASI at MSL ISA conditions and only causes overreading when air density is decreased and TAS exceeds 300kt
  • 45. 

    48656 An aircraft maintaining a constant CAS and altitude Is flying from a cold air mass Into warmer air. The effect of the change of temperature on the speed will be:

    • CAS will decrease

    • EAS will increase

    • TAS will Increase

    • TAS will decrease

    Correct Answer
    A. TAS will Increase
  • 46. 

    50420 During initialization of an INS the aircraft must not be moved until:

    • The ramp position has been inserted and checked

    • The platform is levelled

    • The gyros and accelerometers are in the 'null' position

    • The green 'ready NAV' light has been illuminated and the mode selector switch has been set to the 'NAV' position

    Correct Answer
    A. The green 'ready NAV' light has been illuminated and the mode selector switch has been set to the 'NAV' position
  • 47. 

    46565 The flux valve of a gyro magnetic compass:

    • Is attached to the aircraft such; that It is free to rotate to align itself with the earth's magnetic field

    • Is fed with an exciting current; which Is DC

    • Supplies current directly to the stator coils of the magnetic synchronizing unit

    • Supplies current directly to the precession coils on the gyro compass units

    Correct Answer
    A. Supplies current directly to the stator coils of the magnetic synchronizing unit
  • 48. 

    46607 What effect has the ambient air temperature on the accuracy of altimeters and aircraft altitude?

    • When the air is warmer than standard; you are lower than your altimeter indicates

    • When the air is warmer than standard; you are higher than your altimeter indicates

    • When the air is cooler than standard; you are higher than your altimeter indicates

    • No any effect

    Correct Answer
    A. When the air is warmer than standard; you are higher than your altimeter indicates
  • 49. 

    46615 distance of 3 NM from the threshold; a pilot receives a full deflection on the glide path pointer; indicating fl y up. Approximately how many feet below the glide path is the aircraft at this time?

    • 223 ft

    • 106 ft

    • 425 ft

    • 160 ft

    Correct Answer
    A. 223 ft

Quiz Review Timeline (Updated): Apr 7, 2018 +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Apr 07, 2018
    Quiz Edited by
    ProProfs Editorial Team
  • Mar 30, 2018
    Quiz Created by
    Asafmaman
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