2a553a 2011 Vol 2

64 Questions | Attempts: 179
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  • 1/64 Questions

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

    • Initiators
    • Stabilizers
    • Safety pins
    • Red streamers
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About This Quiz

New 2A553A 2011 Comm/Nav CDC URE questions from Air University practice test. . . . � ENJOY

University Quizzes & Trivia

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  • 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

    Correct Answer
    A. 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

    Correct Answer
    A. The system contains an explosive charge
  • 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

    Correct Answer
    A. Experience of the operator
  • 5. 

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

    • Doors

    • Nacelles

    • Windows

    • Plates and skins

    Correct Answer
    A. Doors
  • 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

    Correct Answer
    A. Small, hinged doors
  • 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

    Correct Answer
    A. Heat is produced
  • 8. 

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

    • Electromagnetic pulse

    • Insulated wire

    • Shielded

    • Coaxial

    Correct Answer
    A. Coaxial
  • 9. 

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

    • Cleanliness

    • Stripping the wires

    • Connecting the wires

    • Type of soldering iron

    Correct Answer
    A. Cleanliness
  • 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

    Correct Answer
    A. Wearing loose, comfortable clothing
  • 11. 

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

    • 781A

    • 781B

    • 781K

    • 781L

    Correct Answer
    A. 781A
  • 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

    Correct Answer
    A. A grounded workbench
  • 13. 

    (218) Flux is designed to

    • Keep the connection clean

    • Ensure electrical conductivity

    • Bond the electrical connection

    • Prevent oxygen from combining with the metal

    Correct Answer
    A. 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

    Correct Answer
    A. Read all procedures in TO 1–1A–14
  • 15. 

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

    • 75 dBA

    • 84 dBA

    • 96 dBA

    • 100 dBA

    Correct Answer
    A. 84 dBA
  • 16. 

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

    • Phase

    • Preflight

    • End-of-runway

    • Basic postflight

    Correct Answer
    A. Preflight
  • 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

    Correct Answer
    A. 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

    Correct Answer
    A. 781K
  • 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

    Correct Answer
    A. Phase
  • 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

    Correct Answer
    A. Newly assigned support equipment arrives
  • 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

    Correct Answer
    A. As a continuation sheet for Part V of the AFTO Form 244
  • 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

    Correct Answer
    A. From the front of or behind the wheel
  • 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

    Correct Answer
    A. To which the aircraft belongs
  • 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

    Correct Answer
    A. Use of certain ionizers
  • 25. 

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

    • Fuel flow

    • Oil quantity

    • Engine vibration

    • Water temperature

    Correct Answer
    A. 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

    Correct Answer
    A. 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

    Correct Answer
    A. 25 feet to the front and 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

    Correct Answer
    A. Broken internal wires
  • 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

    Correct Answer
    A. Ensure a good grip when using pliers
  • 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

    Correct Answer
    A. Reduced optical power transmission
  • 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

    Correct Answer
    A. 1 foot
  • 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

    Correct Answer
    A. 5 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.

    Correct Answer
    A. 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

    Correct Answer
    A. Using protective tote boxes
  • 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

    Correct Answer
    A. Convert optical energy to electrical energy
  • 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

    Correct Answer
    A. Tool operator
  • 37. 

    (218) Utilizing exact dimensions for stripping wire ensures

    • The radio-frequency is not impeded

    • Connectors mate properly

    • Solder adheres properly

    • Proper connection

    Correct Answer
    A. 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

    Correct Answer
    A. Prior to takeoffs at intermediate stops
  • 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

    Correct Answer
    A. Aerospace ground equipment mechanics
  • 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

    Correct Answer
    A. 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

    Correct Answer
    A. A metallic braid over the insulation
  • 42. 

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

    • Detector

    • Receiver

    • Photodiode

    • Light-emitting diode

    Correct Answer
    A. Photodiode
  • 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

    Correct Answer
    A. Terminal lug
  • 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

    Correct Answer
    A. Inspection items that require inspection or testing at a specified hourly or calendar period
  • 45. 

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

    • 781A

    • 781J

    • 781K

    • 781L

    Correct Answer
    A. 781J
  • 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

    Correct Answer
    A. 1 megabits per second (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

    Correct Answer
    A. Put the pin contacts in the proper position
  • 48. 

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

    • Pilot

    • Crew chief

    • Engine technician

    • Production supervisor

    Correct Answer
    A. Pilot
  • 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

    Correct Answer
    A. Insertion into a rear-release connector plug

Quiz Review Timeline (Updated): Mar 19, 2022 +

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

  • Current Version
  • Mar 19, 2022
    Quiz Edited by
    ProProfs Editorial Team
  • Mar 29, 2011
    Quiz Created by
    Donaldtatter
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