2A656 Vol 5 Ure (2013) Jet Aircraft

50 Questions | Total Attempts: 666

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2A656 Vol 5 Ure (2013) Jet Aircraft

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Questions and Answers
  • 1. 
    (801) How does a liquid fire-extinguishing agent extinguish an aircraft fire?
    • A. 

      Releases a fine mist vapor.

    • B. 

      Releases nitrogen into the area.

    • C. 

      Removes oxygen from the fire.

    • D. 

      Disperses a heavy concentration of liquid.

  • 2. 
    (801) A gaseous nitrogen (N2) charge is added to a liquid fire-extinguishing agent to
    • A. 

      Convert the liquid to a gas upon discharge.

    • B. 

      Expel the agent from its bottle.

    • C. 

      Assist in extinguishing the fire.

    • D. 

      Stabilize the temperature.

  • 3. 
    What component holds a liquid agent and a nitrogen charge in a liquid-agent fire extinguisher container?
    • A. 

      Squib.

    • B. 

      Frangible disc.

    • C. 

      Bonnet assembly.

    • D. 

      Rubber O-ring packing.

  • 4. 
    (801) The frangible disc is undercut into pie shaped sections in a liquid-agent fire extinguisher container to
    • A. 

      Break easily.

    • B. 

      Break cleanly into large pieces.

    • C. 

      Allow the pieces to enter the strainer unclogging it.

    • D. 

      Enable the pieces to pass easily through the strainer.

  • 5. 
    (802) A flashing red light on the fire emergency control T-handle indicates this has happened.
    • A. 

      An overheat condition.

    • B. 

      An air valve is closed.

    • C. 

      A fuel valve is open.

    • D. 

      A fire.

  • 6. 
    (802) If the container pressure becomes too low in a T-handle liquid-agent fire extinguishing system, then a
    • A. 

      Pressure switch opens.

    • B. 

      Pressure switch closes.

    • C. 

      Safety outlet port opens.

    • D. 

      Safety outlet port closes.

  • 7. 
    (803) An aircraft’s liquid coolant system keeps components cool by
    • A. 

      Cycling through the components.

    • B. 

      Directing coolant across the components.

    • C. 

      Cycling conditioned air throughout the system.

    • D. 

      Directing conditioned air across the components.

  • 8. 
    (803) If air that is trapped in a liquid coolant system is not bled out of the expansion relief valve it
    • A. 

      Causes a low-pressure condition.

    • B. 

      Activates the filter delta pressure switch.

    • C. 

      Forces the thermal modulating valve closed.

    • D. 

      Reduces the cooling capability of the coolant.

  • 9. 
    (803) What valve component of an aircraft liquid coolant system is positioned by the temperature of the coolant?
    • A. 

      Thermal pilot.

    • B. 

      Thermal modulating.

    • C. 

      Delta system bypass.

    • D. 

      Over-pressure relief.

  • 10. 
    (804) Over-torquing clamps, when maintaining an aircraft liquid coolant system, causes this to happen with the clamps’ components.
    • A. 

      Leakage.

    • B. 

      Contamination.

    • C. 

      Nothing happens

    • D. 

      Damage or failure

  • 11. 
    (804) The purpose of purging the servicing unit supply hose in an aircraft liquid coolant system is to
    • A. 

      Remove air from the servicing cart.

    • B. 

      Remove contaminants from the system.

    • C. 

      Prevent air from entering the system.

    • D. 

      Prevent moisture from entering the servicing cart.

  • 12. 
    (804) How many gallons of liquid coolant should initially be pumped into the aircraft liquid coolant system with the radar shunt hose installed?
    • A. 

      1/2

    • B. 

      1

    • C. 

      1 1/2

    • D. 

      2

  • 13. 
    (804) When servicing the aircraft liquid coolant system, leave the used can of coolant fluid installed on the servicing unit to prevent this from happening to the unit.
    • A. 

      Damage.

    • B. 

      Leakage.

    • C. 

      Destruction.

    • D. 

      Contamination.

  • 14. 
    (805) Why are multiplace life raft cylinders wire-wound and dip-soldered?
    • A. 

      Decreases metal fatigue.

    • B. 

      Adds strength to the cylinder.

    • C. 

      Decreases cylinder expansion.

    • D. 

      Increases cylinder corrosion resistance.

  • 15. 
    (805) What component of a life raft inflation cylinder assembly keeps carbon dioxide (CO2) within the cylinder and permits an unrestricted flow of CO2 to the life raft?
    • A. 

      Diffuser plug.

    • B. 

      Seating sleeve.

    • C. 

      Cartridge filter.

    • D. 

      Discharge valve.

  • 16. 
    (805) Actuating this component normally releases carbon dioxide (CO2) from a life raft cylinder into a life raft.
    • A. 

      Cam.

    • B. 

      Rupture disc.

    • C. 

      Locking sleeve.

    • D. 

      Check valve seat.

  • 17. 
    (806) When you are charging a multiplace life raft inflation assembly, do not reposition the assembly on a platform because moving it may
    • A. 

      Cause damage to the life raft.

    • B. 

      Change the hose weight amount.

    • C. 

      Cause the charging hose to detach.

    • D. 

      Require a new check valve control head.

  • 18. 
    (806) What must you do to ensure your safety when you recharging life raft inflation cylinders?
    • A. 

      Charge in a well ventilated area.

    • B. 

      Allow no one to enter the controlled area.

    • C. 

      Wear your dosimeter badge to ensure proper levels of nitrogen.

    • D. 

      Place the high-pressure cylinders up on the table to get a good flow of liquid.

  • 19. 
    (807) Oxygen in its natural state is
    • A. 

      Colorless, tasteless, and odorless.

    • B. 

      Colorless, tasteless, and weightless.

    • C. 

      Odorless, massless, and volumeless.

    • D. 

      Odorless, massless, and weightless.

  • 20. 
    (807) Which part of the body usually suffers first from the effects of hypoxia, which is the lack of oxygen at high altitudes?
    • A. 

      Ears.

    • B. 

      Eyes.

    • C. 

      Nose.

    • D. 

      Lungs.

  • 21. 
    (807) This valve prevents a complete loss of oxygen in a low-pressure gaseous oxygen system
    • A. 

      Filler.

    • B. 

      Check.

    • C. 

      Shutoff.

    • D. 

      Pressure reducing.

  • 22. 
    (807) What cellulose tape colors identify supply and distribution tubing for aircraft oxygen systems?
    • A. 

      Black and red.

    • B. 

      Blue and yellow.

    • C. 

      Green and white.

    • D. 

      Brown and orange.

  • 23. 
    (807) What valve is required to decrease system pressure in a high-pressure gaseous oxygen system?
    • A. 

      Relief.

    • B. 

      Closing.

    • C. 

      Control.

    • D. 

      Reducer.

  • 24. 
    (807) In a high-pressure oxygen system, the tubing between the filler valve and the pressure reducer valve is made of this type alloy.
    • A. 

      Iron.

    • B. 

      Brass.

    • C. 

      Copper.

    • D. 

      Aluminum.

  • 25. 
    (807) What does the molecular sieve oxygen generating system (MSOGS) concentrator supply to the OXYGEN regulator control panel?
    • A. 

      93 percent nitrogen.

    • B. 

      16 man-minutes of oxygen.

    • C. 

      93 percent oxygen-enriched gas.

    • D. 

      100 percent oxygen-enriched gas.

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