2A533B Volume 2

1. The single most important contributor to corrosion in avionics systems is

Temperature

Pressure

Moisture

Solder

2. If a tool is not found on an aircraft after a thorough search, place a red

Foreign object damage stick in the aircraft forms

Diagnol in the aircraft forms

Dash in the aircraft forms

X in the aircraft forms

3. Corrosion prevention is the responsibility of

Your supervisor

The squadron commander

Sheet metal shop personnel

Everyone involved in the maintenance of aerospace equipment

4. In the number 305.84(10) the numeral 4 represents the

Radix

Fractional portion

Least significant digit

Most significant digit

5. What component on a helicopter produces a sideways thrust to counteract torque

Wing fairings

Main rotor

Tail rotor

Blades

6. When the home station check becomes due during a mission, the inspection is performed

Upon completion of that mission

Upon accrual of a number of calendar days

Before the next isochronal inspection becomes due

After all the main fuel tanks have been drained and purged

7. What portion of an AF Form 1492, Warning Tag, is used to provide a "cross-check" with the aircraft forms and is inserted through the aircraft forms binder?

Top

Bottom

Left side

Right side

8. The most widely used hammer by aircraft mechanics is the

Crew chief hammer

Soft-faced hammer

Ball-peen hammer

Sledge hammer

9. One of the most common lock wiring mistakes a new avionics technician makes is

Safety wiring something backward

Forgetting the pigtail

Using the wrong size

Breaking the wire

10. All components of the computer connect in some way to the

Monitor

Keyboard

Hard drive

Motherboard

11. Which is not one of the forces at work on an aircraft in flight

Lift

Thrust

Gravity

Deceleration

12. What is of the utmost importance in the soldering process

Cleanliness

Stripping wires

Connecting the wires

Type of soldering iron

13. Which lock wire method is most appropriate for hard to reach or closely grouped parts

Double-twist

Single-twist

Dual-pigtail

Emergency

14. The number 101(2) represents the

Hexadecimel numbering system

Decimel numbering system

Binary numbering system

Octal numbering system

15. What system provides aircraft cabin pressurization

Air conditioning

Flight director

Instruments

Autopilot

16. The C-5 primary flight control system consists of the aileron, elevator, and

Rudder systems

Pitch trim systems

Active lift distribution systems

Primary augmentation systems

17. If you find a malfunction during an operational check, how do you document this malfunction on the AFTO Form 781A

Enter it in the current discrepancy block

Leave OP CK open until the malfunction is cleared

Sign off as OPS CK OK and enter the new write up

Sign off as OPS CK BAD and enter the new malfunction

18. To "flag" a condition on an aircraft that could cause damage or injury if ignored, use an

AFTO Form 781K, Aerospace Vehicle Inspection, Engine Data, calendar Inspection and Delayed Discrepancy Document

AFTO Form 244, Industrial/Support Equipment Record

AF Form 1492, Warning Tag

AF Form 979, Danger Tag

19. What do cable tensiometers measure

Degree of cable density per linear foot

Angular torque of cable connections

Specific degree of cable thickness

Specific degree of cable tightness

20. The point at which all three axes of an aircraft meet is the center of

Balance

Gravity

Thrust

Drag

21. Synchro stator windings are place

180 degrees apart

120 degrees apart

100 degrees apart

60 degrees apart

22. Which type of cable is used to carry radio-frequency power from one point to another

Electromagnetic pulse-hardened

Insulated wire

Shielded

Coaxial

23. For electrical soldering, always use

Rosin core solder

Acid core solder

Hard solder

Soft solder

24. When a screwdriver blade becomes nicked or the edges become rounded, it should be

Removed from service

Reground or filed

Used as a scribe

Used as is

25. What happens to the power value when the exponent in the binary numbering system is increased by 1

Halves

Doubles

Triples

Is unchanged

26. The major difference between the octal, decimal, and binary numbering systems is the

Base

Place holder

Integral portion

Fractional portion

27. What is the minimum safe distance from the intake of an operating jet engine

25 feet to the front and 5 feet to the sides

50 feet to the front and 5 feet to the sides

5 feet to the front and 25 feet to the sides

5 feet to the front and 50 feet to the sides

28. Who ensures the job control number (when assigned) is entered on the AFTO Form 781 A?

Specialist

Supervisor

Crew chief

Aircrew member

29. What tool measures the specific degree of tightness of nuts or bolts

Stress kit

Bolt meter

Tensiometer

Torque wrench

30. What fasterners are normally used for securing components to a panel

Camloc

Style II

Style 1

Dzus

31. Acceptance inspections are performed when

Equipment is being transferred

Newly assigned equipment arrives

Directed by major command or local policy

It is stated in the applicable technical order

32. Time domain reflectometers can test cables as long as

40 feet

100 feet

2,000 feet

10,000 feet

33. What percent of minor shield damage can the flight line technician repair

Up to 30 percent of the inner shield circumference

Up to 30 percent of the outer shield circumference

Up to 25 percent of the inner shield circumference

Up to 25 percent of the outer shield circumference

34. What disadvantage do nearly all peripheral devices suffer from?

Poor memory

Old technology

Poor compatability

Slowness of response

35. Which is not a one of the general types of radio installed on the aircraft

Low frequency

High frequency

Very high frequency

Ultra high frequency

36. To prevent movement of the aircraft, the main landing gear wheels must be chocked

In front of and behind the wheel with a 1/2" clearance

In front of and behind the wheel with a 2" clearance

Inboard and behind the wheel with a 1/2" clearance

Inboard and behind the wheel with a 2" clearance

37. What type of inspection is a flight preparedness check

Phase

Preflight

End-of-runway

Basic postflight

38. What type of ground should be provided for soldering irons in an electrostatic discharge protexted area

Common ground

Shielded ground

Floating ground

Hard ground

39. Flux is designed to

Keep the connection clean

Bond an electrical connection

Ensure electrical conductivity

Prevent oxygen from combining with the metal

40. When approaching overheated aircraft wheels, always approach the wheel

From the side of the wheel

At a 45 degree angle to the wheel

From the front of or behind the wheel

Only after the blowout screen is in place

41. The normal inspection work card deck must be completed upon termination of the contingency, during increased readiness, or at the expiration of the authorized usage period as directed by

Legal office

Major command

Wing safety office

Department of defense

42. When is thruflight inspection performed

After the last flight of the day

Before the aircraft goes on alert

Prior to takeoffs at intermediate stops

After a specific number of flying hours has elapsed

43. When an authorized individual has made sufficient investigation to justify that an aerospace vehicle is safe for flight, what block on the AFTO Form 781H is signed?

Exceptional release

Accomplished by

Status today

Type

44. Optoelectronic transducers perform what function in a fiber optic transmission

Amplify output circuit signals

Convert electrical signals to light lignals

Convert optical energy to electrical energy

Emit light when current is passed through them

45. Utilizing exact dimensions for stripping wire ensures

The radio-frequency is not impeded

Connectors mate properly

Solder adheres properly

A proper connection

46. What precaution must you adhere to prior to applying heat shrink

Ensure proper lighting

Inventory the required toools

Read all procedures in TO 1-1A-14

Warning concerning use of heating tools on aircraft

47. Heat and air pressure required for proper installation of heat-shrink products is controlled by the

Tool operator

Pressure controller

Air/nitrogen regulator

Tubular heating element

48. What type of corrosion occurs when dissimilar metals are in contact and an external circuit is provided by the presence of moisture

Pitting

Galvanic

Intergranular

Uniform etch

49. The HT-900B heating tool operates on

Compressed air or hydrogen

Compressed air or nitrogen

Humidified air or hydrogen

Humidified air or nitrogen

50. You need to tie all wire groups or bundles where supports are

More than 12 inches apart

More than 18 inches apart

Less than 6 inches apart

Less than 12 inches apart

51. Emergency devices are usually a lock wired with a

Double strand of 0.020 copper shear wire

Double strand of 0.032 copper shear wire

Single strand of 0.020 copper shear wire

Single strand of 0.032 copper shear wire

52. The twists per inch value given to assure proper tension of the safety wire is

The exact value required

A suggested value

A maximum value

A minimum value

53. What type of corrosion attacks the grain boundaries of a material

Pitting

Exfoliation

Intergranular

Uniform etch

54. What aircraft fire protection system component monitors temperature changes for fire and overheat conditions

Air conditioner

Sensing module

Sensing element

Air thermometer

55. What is one purpose of crimper positioners

Put the pin contact in the proper position

Align the crimper handles to the pin contact

Put the turret head in line with the pin contact

Adjust the pressure applied to the connector pins

56. The amount of clamping force developed in a bolt is called

Strength

Tension

Stress

Force

57. What component often serves as intermediate storage to facilitate data transfer between two devices?

Motherboard

Keyboard

Modem

Buffer

58. What information is required in the corrective action block of the AFTO Form 781 A?

Detailed description of the discrepancy

Technical order references

Technician's signature

Supervisor's signature

59. An AFTO Form 78L is used to

Document engine cycle times

Document delayed discrepancies

Provide time compliance technical order record of completion

Record the removal and installation of controlled cryptographic items

60. The diffuser is part of the

Nacelles

Fuselage

Stabilizer

Wing carry-through

61. An example of an elctrostatic discharge sensitive device is a

Metal-oxide semiconducting read-only memory circuit

Programmable read-only memory circuit

Resistor

Diode

62. Twisting an optic fiber during installation or mainenance results in

Disturbances in layer uniformity

Greater elasticity of the glass fibers

Reduced optical power transmission

Good tension control preventing loose or uneven standing

63. In repairing damaged copper foil tape, what is the last wrap used on the repaired area

Monel shielding tape

Copper shielding tape

Silicone self-bonding tape

Pressure-sensitive polyester tape

64. Which inspection is designed to detect defects that might have developed during ground operation of the aircraft

Phase

Preflight

End-of-runway

Basic postflight

65. What is not a flight line precaution used to protect electrostatic discharge sensitive components

Touching the line replaceable unit (LRU) case with your hands prior to removal from the aircraft

Touching the ends of aircraft wiring to the LRU case prior to installation

Covering LRU connector plugs

Using protextive tote boxes

66. When tying wire bundles behind connectors, start ties far enough back from the connector to

Allow adequate airflow around wires

Avoid violating the one-inch rule

Allow flexing of the wire bundle

Avoid spreading of the contacts

67. The fractional and integral portions of a binary number are seperated by the

Radix

Exponent

Binary point

Decimal point

68. Which is not part of the aircraft propulsion system?

Oil distribution

Accessory drive

Fuel distribution

Oxygen converter

69. When a higher angle of attack is required to maintain lift at lower airspeeds, the pilot uses the

Elevators

Ailerons

Rudders

Slats

70. Which inspection is designed to reduce the time an aircraft is out of commission for any given inspection

Major

Phase

Preflight

Hourly postflight

71. Which inspection is a thorough searching "look, see, and fix" of the aircraft?

Major

Isochronal

Basic postflight

Home station check

72. What type of solderless connector permits easy and efficient connections to electrical equipment

Splice

Terminal lug

Connector splice

Connector plug pins

73. Which logic gate function produces a logic high output if either or both inputs are logic high

OR

NOR

AND

Exclusive OR

74. Graphs plotted to show the relationships of changing values on transistors are called

Transistor plots

Specification plots

Characteristics curves

Configuration curves

75. The main purpose of transistor bias control circuits is to

To control the input signal current and allow avalanche to occur

Stabilize the tendency of the transistor to avalanche when hot

Allow more bias voltage options from the power supply

Ensure maximum output gain of the amplifier

76. When an AFTO Form 781L is completed, one copy is forwarded to

The maintenance operations center

Quality assurance section

Base communications

Base supply

77. What is used to convert fiber optic light transmissions to electric signals?

Detector

Receiver

Photo diode

Light-emitting diode

78. To directly convert binary-to-hexadecimel, divide the binary number into groups of

2 digits

4 digits

8 digits

16 digits

79. Electromagnetic pulse cable was developed with how many outer protective layers

1

2

3

4

80. What number system was adopted to simplify and standardize terminology

Hexadecimel

Decimel

Binary

Metric

81. The transistor amplifier with the characterics of high-input impedance, low-output impedance, input and output in-phase, average gain of less than one, and moderate to high-power gain is the common

Collector

Junction

Emitter

Base

82. The AFTO Form 781-series are not used to document aircraft

Inspections

Flight records

Configurations

Component repair

83. Which is not a type of connector coupling

Friction

Bayonet

Insertion

Threaded

84. The most correct statement concerning the B-2 gust load alleviation surface alleviation is it

Provides increased lift during high altitude maneuvers

Commands the pitch priority during takeoff and landings

Reduces the wing loads due to turbulence

Provides stability during symmetrical and asymmetrical flight activities

85. What components are used for temperature stabilization in transistor circuits

Diodes and capacitors

Diodes and thermistors

Resistors and capacitors

Resistors and thermistors

86. Which type of coupling uses an inductor and a capacitor for coupling

Resistor-capacitor

Transformer

Impedance

Direct

87. The result of converting the decimal number 1590 to binary-coded decimal is

10010110010000

1010110010000

100010001000

110010001000

88. The small arrow on the rotor synchro schematic symbol indicates the angular

Displacement of the rotor

Displacement of the stator

Position of the rotor magnetic field

Position of the stator magnetic field

89. Which inspection includes a review of the forms for current status, a visual inspection of equipment for defects, and adequate servicing?

Special

Operator

Acceptance

Periodic and scheduled lubrication

90. The result of subtracting 34(8) from 63(8) is

26(8)

27(8)

36(8)

37(8)

91. The result of converting the binary-coded decimal number 11110000101.0100011 to its decimal equivalent is

715.26

715.46

785.26

785.46

92. Which is not an air force inspection concept

Phased

Periodic

Preflight

Isochronal

93. The result of subtracting 101(2) from 1000(2) is

0101(2)

0011(2)

1101(2)

0001(2)

94. Which function does the symbol o stand for in a Boolean equation

Addition

Logical OR

Logical AND

Multiplication

95. Which block on the AFTO Form 781K is used to document the number and type of the next inspection due

Calendar and hourly inspection schedule

Aerospace inspection

Scheduled inspection due

Next inspection due

96. Which inspection is performed at the completion of the mission during which the specified calendar days are accrued?

Minor

Isochronal

Basic postflight

Home station check

97. The result of adding ADA% to 10AF is

AE54

AF54

BE54

BF54

98. The result of adding 1010(2) to 11(2) is

1101(2)

1011(2)

101011(2)

111010(2)

99. The hexadecimal equivalent of binary 101101000110 is

X'A36'

X'B36'

X'A46'

X'B46'

100. The result of subtracting 0FFF from 1F88 is

E79

F79

E89

F89

2a533b Volume 2

1. The single most important contributor to corrosion in avionics systems is

2.

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

2. If a tool is not found on an aircraft after a thorough search, place a red

3. Corrosion prevention is the responsibility of

4. In the number 305.84(10) the numeral 4 represents the

5. What component on a helicopter produces a sideways thrust to counteract torque

6. When the home station check becomes due during a mission, the inspection is performed

7. What portion of an AF Form 1492, Warning Tag, is used to provide a "cross-check" with the aircraft forms and is inserted through the aircraft forms binder?

8. The most widely used hammer by aircraft mechanics is the

9. One of the most common lock wiring mistakes a new avionics technician makes is

10. All components of the computer connect in some way to the

11. Which is not one of the forces at work on an aircraft in flight

12. What is of the utmost importance in the soldering process

13. Which lock wire method is most appropriate for hard to reach or closely grouped parts

14. The number 101(2) represents the

15. What system provides aircraft cabin pressurization

16. The C-5 primary flight control system consists of the aileron, elevator, and

17. If you find a malfunction during an operational check, how do you document this malfunction on the AFTO Form 781A

18. To "flag" a condition on an aircraft that could cause damage or injury if ignored, use an

19. What do cable tensiometers measure

20. The point at which all three axes of an aircraft meet is the center of

21. Synchro stator windings are place

22. Which type of cable is used to carry radio-frequency power from one point to another

23. For electrical soldering, always use

24. When a screwdriver blade becomes nicked or the edges become rounded, it should be

25. What happens to the power value when the exponent in the binary numbering system is increased by 1

26. The major difference between the octal, decimal, and binary numbering systems is the

27. What is the minimum safe distance from the intake of an operating jet engine

28. Who ensures the job control number (when assigned) is entered on the AFTO Form 781 A?

29. What tool measures the specific degree of tightness of nuts or bolts

30. What fasterners are normally used for securing components to a panel

31. Acceptance inspections are performed when

32. Time domain reflectometers can test cables as long as

33. What percent of minor shield damage can the flight line technician repair

34. What disadvantage do nearly all peripheral devices suffer from?

35. Which is not a one of the general types of radio installed on the aircraft

36. To prevent movement of the aircraft, the main landing gear wheels must be chocked

37. What type of inspection is a flight preparedness check

38. What type of ground should be provided for soldering irons in an electrostatic discharge protexted area

39. Flux is designed to

40. When approaching overheated aircraft wheels, always approach the wheel

41. The normal inspection work card deck must be completed upon termination of the contingency, during increased readiness, or at the expiration of the authorized usage period as directed by

42. When is thruflight inspection performed

43. When an authorized individual has made sufficient investigation to justify that an aerospace vehicle is safe for flight, what block on the AFTO Form 781H is signed?

44. Optoelectronic transducers perform what function in a fiber optic transmission

45. Utilizing exact dimensions for stripping wire ensures

46. What precaution must you adhere to prior to applying heat shrink

47. Heat and air pressure required for proper installation of heat-shrink products is controlled by the

48. What type of corrosion occurs when dissimilar metals are in contact and an external circuit is provided by the presence of moisture

49. The HT-900B heating tool operates on

50. You need to tie all wire groups or bundles where supports are

51. Emergency devices are usually a lock wired with a

52. The twists per inch value given to assure proper tension of the safety wire is

53. What type of corrosion attacks the grain boundaries of a material

54. What aircraft fire protection system component monitors temperature changes for fire and overheat conditions

55. What is one purpose of crimper positioners

56. The amount of clamping force developed in a bolt is called

57. What component often serves as intermediate storage to facilitate data transfer between two devices?

58. What information is required in the corrective action block of the AFTO Form 781 A?

59. An AFTO Form 78L is used to

60. The diffuser is part of the

61. An example of an elctrostatic discharge sensitive device is a

62. Twisting an optic fiber during installation or mainenance results in

63. In repairing damaged copper foil tape, what is the last wrap used on the repaired area

64. Which inspection is designed to detect defects that might have developed during ground operation of the aircraft

65. What is not a flight line precaution used to protect electrostatic discharge sensitive components

66. When tying wire bundles behind connectors, start ties far enough back from the connector to

67. The fractional and integral portions of a binary number are seperated by the

68. Which is not part of the aircraft propulsion system?

69. When a higher angle of attack is required to maintain lift at lower airspeeds, the pilot uses the

70. Which inspection is designed to reduce the time an aircraft is out of commission for any given inspection

71. Which inspection is a thorough searching "look, see, and fix" of the aircraft?

72. What type of solderless connector permits easy and efficient connections to electrical equipment

73. Which logic gate function produces a logic high output if either or both inputs are logic high

74. Graphs plotted to show the relationships of changing values on transistors are called

75. The main purpose of transistor bias control circuits is to

76. When an AFTO Form 781L is completed, one copy is forwarded to

77. What is used to convert fiber optic light transmissions to electric signals?