2A553A 2011 VOL 2

1. (202) What components are used to guard against accidental firing of ejection seats?

Initiators

Stabilizers

Safety pins

Red streamers

2. (219) Proper care of an electric soldering iron involves

Cooling the iron by dipping in water

Jerking the iron to remove excess solder

Tapping the iron on a table to remove excess solder

Keeping the iron in a proper holder when you are not using it

3. (204) Ejection seats in military aircraft are particularly dangerous because

People do not get the proper training on them

The system contains an explosive charge

Checklists are not always available

All aircraft use different systems

4. (204) The variables upon which radiation hazards depend do not include the

Strength of emission

Time (length) of exposure

Experience of the operator

Number of units operating in the area

5. (201) What structural areas are designed to allow maintenance personnel to inspect or service aircraft components?

Doors

Nacelles

Windows

Plates and skins

6. (201) What is provided on some large doors to provide access for inspections?

Small, hinged doors

Small inspection inlets

Small, hinged windows

Small inspection outlets

7. (204) What happens when radio-frequency energy is absorbed in the tissue of your body?

Nothing

Heat is produced

Your heart beats irregularly

Your internal organs start deteriorating

8. (214) Which type of cable is used to carry radio-frequency power from one point to another?

Electromagnetic pulse

Insulated wire

Shielded

Coaxial

9. (219) What is of the utmost importance in the soldering process?

Cleanliness

Stripping the wires

Connecting the wires

Type of soldering iron

10. (204) What is not a required action when working around moving machinery?

Wearing loose, comfortable clothing

Buttoning your shirt cuffs

Taking off your watch

Taking off your rings

11. (211) Except for battle damage, each discrepancy discovered is documented on an AFTO Form

781A

781B

781K

781L

12. (213) When working on electrostatic discharge sensitive devices in the shop area, you must use

A grounded line replaceable unit cable

Nonconductive antistatic mats

A grounded workbench

Ungrounded floor mats

13. (218) Flux is designed to

Keep the connection clean

Ensure electrical conductivity

Bond the electrical connection

Prevent oxygen from combining with the metal

14. (223) To what precaution must you adhere prior to performing a wire repair job?

Ensure proper lighting

Inventory required tools

Read all procedures in TO 1–1A–14

Read the warnings concerning use of heat tools on aircraft

15. (204) The maximum noise level that is considered to be relatively safe is

75 dBA

84 dBA

96 dBA

100 dBA

16. (206) What type of inspection is a flight preparedness check?

Phase

Preflight

End-of-runway

Basic postflight

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

Enter it in the current discrepancy block

Leave OP CK open until malfunction cleared

Sign off as OP CK OK and enter new write up

Sign off as OPS CK BAD and enter new malfunction

18. (211) Which AFTO Form allows you to record essential inspection and delayed maintenance data?

781A

781B

781K

781L

19. (207) Which inspection is designed to reduce the time an aircraft is out of commission for any given inspection?

Phase

Major

Preflight

Hourly postflight

20. (209) Acceptance inspections are performed when

Directed by the major command or local policy

Newly assigned support equipment arrives

Directed by the applicable technical order

Equipment is being transferred

21. (210) The AFTO Form 245 is used

To document quality assurance evaluations

To document scheduled maintenance on aircraft

As a continuation sheet for Part V of the AFTO Form 244

To allow supervisors to review equipment maintenance documentation

22. (204) When approaching overheated aircraft wheels, always approach the wheel

From the side of the wheel

At a 45° angle to the wheel

From the front of or behind the wheel

Only after the blowout screen is in place

23. (208) When the home station check inspection becomes due during a mission, it is completed at the base

To which the aircraft belongs

Where the first intermediate stop is made

From which the mission is being performed

Nearest the aircraft when the inspection becomes due

24. (213) Which action could pose a safety hazard to personnel in an electrostatic discharge protected area?

Use of certain ionizers

Wearing of personal clothing

Improper use of conductive bags

Improper use of conductive tote boxes

25. (203) Which is not part of an engine indicating system?

Fuel flow

Oil quantity

Engine vibration

Water temperature

26. (202) How do independent positioning determining subsystems function?

By recording radar data

By calculating aircraft attitude

Independent of inertial navigation

Independent of ground equipment

27. (204) What is normally considered a minimum safe distance from the intake of an operating jet engine?

25 feet to the front and sides of the engine intake

50 feet to the front and sides of the engine intake

50 feet to the front and 25 feet to the sides of the engine intake

25 feet to the front and 10 feet to the sides of the engine intake

28. (223) Electromagnetic pulse hardened cable is considered nonreparable by local personnel if it has damage to the

Broken internal wires

Damage to the cable jacket

Broken wires at the connector

Damage to the outer braided shield

29. (215) What is not a radio-frequency connector precaution?

Never step on the cable

Ensure a good grip when using pliers

Ensure you solder double shielded cables together

Ensure you do not exceed the bend radius of the cable

30. Twisting an optic fiber during installation or maintenance results in

Disturbances in lay uniformity

Greater elasticity of the glass fibers

Reduced optical power transmission

Good tension control preventing loose or uneven standing

31. (204) What is the minimum safe distance from an ultra-high frequency antenna when the associated transmitter is radiating power?

1 foot

3 feet

5 feet

10 feet

32. (204) The minimum safe distance from a high-frequency antenna when the associated transmitter is radiating power is

1 foot

3 feet

5 feet

10 feet

33. (212) What helps to dissipate and lessen the effects of electrostatic discharges?

Using non-conducting packaging materials

Using proper insulating materials

Dehumidified air

Humid air.

34. (213) Which is not a flight line precaution used to protect electrostatic discharge sensitive components?

Using protective tote boxes

Covering line replaceable unit (LRU) connector plugs

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

Touching the LRU case with your hands prior to removal from the aircraft

35. (217) Optoelectronic transducers perform what function in a fiber optic transmission?

Amplify output circuit signals

Convert electrical signals to light signals

Convert optical energy to electrical energy

Emit light when current is passed through them

36. (222) The 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

37. (218) Utilizing exact dimensions for stripping wire ensures

The radio-frequency is not impeded

Connectors mate properly

Solder adheres properly

Proper connection

38. (206) When is the 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

39. (210) Malfunctions documented on an AFTO Form 244, Industrial/Support Equipment Record, are the responsibility of

Aerospace ground equipment mechanics

Avionics backshop personnel

Propulsion mechanics

Flight line technicians

40. (211) AFTO Form 78L is used to

Document engine cycle times

Document delayed discrepancies

Provide time compliance technical order record of completion

Record the removal or installation of controlled cryptographic items

41. (214) Shielded cable consists of

A metallic braid over the insulation

A metal conductor covered with a dielectric

An inner conductor separated by an insulation dielectric

A compact wire bundle with self-contained wire assemblies

42. (217) What is used to convert fiber optic light transmissions to electrical signals?

Detector

Receiver

Photodiode

Light-emitting diode

43. (220) What type of solderless connector is used to permit easy and efficient connections to electrical equipment?

Splice

Terminal lug

Connector splice

Connector plug pins

44. (211) Block C on the AFTO Form 781K is used to document

Inspection items that require inspection or testing at a specified hourly or calendar period

All immediate and urgent action time compliance technical orders upon compliance

The status of depot inspections

Higher authority inspections

45. (211) Which AFTO Form is used to document aerospace vehicle time and engine data, including operating time?

781A

781J

781K

781L

46. (216) The serial transmission bit rate for the Military Standard 1553B data bus is

1 megabits per second (Mbps)

16 Mbps

32 Mbps

64 Mbps

47. (221) One purpose of crimper positioners is to

Put the pin contacts 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

48. (211) Who is responsible for documenting engine cycles on an AFTO Form 781H?

Pilot

Crew chief

Engine technician

Production supervisor

49. (221) The colored end of an insertion and extraction tool is used for contact

Insertion into a rear-release connector plug

Insertion into a front-release connector plug

Extraction from a rear-release connector plug.

Extraction from a front-release connector plug

50. (221) One way of pressure and moisture sealing the back of a connector is to use

Silicone tape

Silicone caulking

Heat-shrinkable tape

Electrical wrapping tape

51. (209) 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

52. (211) Which information is required in the corrective action block of the AFTO Form 781A?

Detailed description of the corrective action

Technical order reference(s)

Technician’s signature

Supervisor’s signature

53. (216) What is the structure of a Military Standard 1553B data word?

20 bits long consisting of 3 sync, 16 data/command/status, and 1 parity bit

32 bits long consisting of 3 sync, 28 data/command/status, and 1 parity bit

20 bits long consisting of 1 sync, 16 data/command/status, and 3 parity bits

32 bits long consisting of 1 sync, 28 data/command/status, and 3 parity bits

54. (205) Which is not an Air Force inspection concept?

Phase

Periodic

Preflight

Isochronal

55. (215) Which is not a type of connector coupling?

Friction

Bayonet

Insertion

Threaded

56. (211) Which AFTO Form is used to document maintenance status and servicing information?

781A

781B

781H

781J

57. (224) What is not considered to be a general precaution when lacing or tying wire groups or bundles?

Lace or tie bundles tightly enough to prevent slipping

Tie all wire groups or bundles twelve inches or less apart

Do not use ties on any part of a wire group or bundle located inside a conduit

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

58. (205) Which statement does not describe the programmed depot maintenance inspection concept?

May use contingency inspection work card decks for a limited period of time

Consists of inspections requiring skills beyond that of a normal operating unit

Applies to all units in the Air Force, regardless of type of aircraft

Applies only to units under the periodic inspection concept

59. (211) The AFTO Form 781-series are not used to document aircraft

Inspections

Flight records

Configurations

Component repair

60. (211) Who is responsible for making entries on the Aerospace Vehicle – Engine Flight form?

Pilot

Crew chief

Production supervisor

Maintenance technician

61. (216) A Military Standard 1553B data bus message must contain at least one command word with a maximum of

3 data words

16 data words

20 data words

32 data words

62. (207) Which inspection is more extensive than the hourly postflight or basic postflight inspections, and covers certain parts, areas, and systems of the aircraft that require less frequent inspection?

Phase

Major

Minor

Periodic

63. (220) Which is not a type of solderless connector?

Splice

Terminal lug

Connector splice

Connector plug pins

64. (216) What is not a function of the Military Standard 1553B data bus mode codes?

Resetting terminals

Synchronizing the subsystem time

Executing a bus controller broadcast command

Commanding a remote terminal to initiate a system self-test

2a553a 2011 Vol 2