B737 - Day 2 - Agk, Airstairs, APU, Oxygen System

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Oxygen Quizzes & Trivia

During your training in the operation and maintenance for the Boeing 737 one of the things you must know is that it uses the Prat and Whitnet JT8D engine and that the first prototype for this airliner was made in 1966. Take up the quiz below and see what else you remember.


Questions and Answers
  • 1. 
    After landing, the over-wing emergency exit fails to unlock, what will be the indications on the flight deck?
    • A. 

      The PSEU light will illuminate after 60 sec and the master caution will illuminated with an overhead caption.

    • B. 

      The Master Caution will illuminated with an overhead caption.

    • C. 

      The PSEU light will illuminate after 30 sec and the master caution will illuminated with an overhead caption.

    • D. 

      The PSEU light will illuminate.

  • 2. 
    Max operating alt.?
    • A. 

      41.000 ft

    • B. 

      45.000 ft

    • C. 

      38.000 ft

    • D. 

      28.000 ft

  • 3. 
    MTOW for the Boeing 737-800 NG?
    • A. 

      70.353 kg

    • B. 

      69.533 kg

    • C. 

      69.353

    • D. 

      70.533 kg

  • 4. 
    Where is the external power plug location?
    • A. 

      Below fuselage, at front wheel

    • B. 

      Below fuselage, at wheel well

    • C. 

      Below Captains Window

    • D. 

      Below First Officers Window

  • 5. 
    What is the angle of steering?
    • A. 

      8 degrees rudderpedals - 78 degrees tiller

    • B. 

      7 degrees rudderpedals - 70 degrees tiller

    • C. 

      7 degrees rudderpedals - 78 degrees tiller

    • D. 

      7 degrees rudderpedals - 77 degrees tiller

  • 6. 
    Where is the crew oxygen blow out disc located and what colour is it?
    • A. 

      Below fuselage, by E/E compartment and a green disc

    • B. 

      Below FO's window and a blue disc

    • C. 

      Below FO's window and a green disc

    • D. 

      In wheel well and a blue disc

  • 7. 
    Where is the 2 Electrical Equipment Bays located?
    • A. 

      Underneeth the fuselage, at the front

    • B. 

      Below FO's window

    • C. 

      In wheel well

    • D. 

      Below Captains window

  • 8. 
    How many windows are on the flight deck?
    • A. 

      10

    • B. 

      6

    • C. 

      8

    • D. 

      12

  • 9. 
    Where is the Halon fireextinguisher located on the flight deck?
    • A. 

      Behind the Captain on P6

    • B. 

      Behind the FO on P6

    • C. 

      Below the Seat

    • D. 

      In the Galley

  • 10. 
    How many doors are fitteted and which are service doors?
    • A. 

      8 doors, service doors are on the left

    • B. 

      4 doors, service doors are on the left

    • C. 

      4 doors, service doors are on the right

    • D. 

      8 doors, service doors are on the right

  • 11. 
    Describe lavatory fire protection system?
    • A. 

      There is a smoke detection system and a fire extinguishment system beneath the sink area. Fire extinguishment is automatic. Indication of smoke or extinguisher discharge on the flight deck.

    • B. 

      There is a fire detection system and a fire extinguishment system beneath the sink area. Fire extinguishment is automatic. No indication of smoke or extinguisher discharge on the flight deck.

    • C. 

      There is a smoke detection system and a fire extinguishment system beneath the sink area. Fire extinguishment is automatic. No indication of smoke or extinguisher discharge on the flight deck.

    • D. 

      There is a fire detection system and a fire extinguishment system beneath the sink area. Fire extinguishment is automatic. Indication of smoke or extinguisher discharge on the flight deck.

  • 12. 
    What is galley power voltage and frequancy?
    • A. 

      115 volts DC, 400 cycles

    • B. 

      220 volts AC, 400 cycles

    • C. 

      115 volts AC, 400 cycles

    • D. 

      220 volts DC, 400 cycles

  • 13. 
    Where is galley power located?
    • A. 

      On the overhead panel, electrical panel at flightdeck.

    • B. 

      At the aft galley.

    • C. 

      At the forward galley.

    • D. 

      At the electrical panel in aft galley.

  • 14. 
    How is the water heated in the lavatory sink?
    • A. 

      By bleed air from ENG 1

    • B. 

      By an electrical heater under the sink

    • C. 

      By the electrical Right Pack Pump

    • D. 

      By APU Bleed air

  • 15. 
    Can the crew turn off the boiler heaters in the lavatory?
    • A. 

      No, this only applys for Engineers

    • B. 

      Yes, in the overhead panel

    • C. 

      Yes, from the front galley

    • D. 

      Yes, but normally it is done by maintanance only.

  • 16. 
    How is potable water to galley and lavatories pressurized?
    • A. 

      Pneumatic system at 35 psi or electrically driven compressure below 30 psi. It builds up 40 psi and shuts off.

    • B. 

      By the Electric driven Pack no. 1 pump

    • C. 

      The system is connected to the hydraulic system

    • D. 

      By one electric pump in the wheel well

  • 17. 
    Where are the water quantity and wast indicators located:
    • A. 

      In the front galley

    • B. 

      In the overhead panel

    • C. 

      In the rear galley

    • D. 

      Outboard on the left side of fuseage

  • 18. 
    Can the airstairs be operated outside the aircraft?
    • A. 

      No, the airstairs can only be operated from the flightdeck

    • B. 

      Yes, on the exterior fuselage

    • C. 

      Yes, from the panel in the wheel weel

    • D. 

      Yes, By a remote control

  • 19. 
    Can the airstairs be operated from inside the aircraft with the door closed:
    • A. 

      Yes, just make sure the outer area is clear

    • B. 

      No because you are unable of watching the airstairs

    • C. 

      No the door must be partially opened

    • D. 

      No the door automatically works with the airstairs

  • 20. 
    Are the airstairs operated hydracally:
    • A. 

      Yes, from system A

    • B. 

      No, by 115 volt AC

    • C. 

      Yes, from system B

    • D. 

      No, by a DC-driven pump

  • 21. 
    Can you you retract the airstairs with handrails fitted:
    • A. 

      Yes if your are using standby sytem, but is dangerous and can damage the stairs and aircraft.

    • B. 

      Yes, it is all automatically controlled

    • C. 

      Yes, both outer and inner controls

    • D. 

      No, never

  • 22. 
    Can the airstairs be operated using standby electrical power:
    • A. 

      No, the Batt swicth must be on

    • B. 

      Yes from the outside it does not require battery swich to be on. Inside the battery must be on.

    • C. 

      Yes, but only from the front galley panel

    • D. 

      Yes, from the overhead panel

  • 23. 
    For which electrical busses can the APU provide power:
    • A. 

      Left and right transfer bus (in air and on ground).

    • B. 

      Only AC transfer BUS 2

    • C. 

      Direcly to TR1 and TR2

    • D. 

      To the Hot battery bus

  • 24. 
    Up to 10.000 ft, what can the APU provide:
    • A. 

      Only bleed air to the left Pack system

    • B. 

      Electrical power only

    • C. 

      2 aircondition packs and electrical power

    • D. 

      Electrical power and 1 aircondition pack.

  • 25. 
    A successful apu start is not assured above what FL:
    • A. 

      FL250 – APU can operate can up to FL410.

    • B. 

      FL270 - APU can operate up to FL410

    • C. 

      FL150 - But usually a succesfull start until FL 350

    • D. 

      FL100

  • 26. 
    When is the APU ready for use:
    • A. 

      2 minnutes after startup

    • B. 

      Directly after startup

    • C. 

      When the APU GEN OFF BUSS light illuminates.

    • D. 

      When you turn it on

  • 27. 
    When will the APU shut down automatically:
    • A. 

      Overspeed, low oil pressure, fire, EGT exedance, high oil temp., or any condition shown by the fault light.

    • B. 

      Never, you must at all times monitor the APU

    • C. 

      When the OAT is below -50 degrees celcius

    • D. 

      If cabin altitude is higher than 12.000 feet

  • 28. 
    If the APU switch is placed to off position:
    • A. 

      It shuts down

    • B. 

      It will not shut down before you turn the start switches

    • C. 

      It shuts down after a 60 second delay

    • D. 

      It shuts down after 120 second delay

  • 29. 
    Moving the BATT switch to OFF will shutdown the APU, when:
    • A. 

      On the ground and in the air.

    • B. 

      In flight

    • C. 

      When in flight mode with flaps extended

    • D. 

      The APU temp exceeds 500 egt

  • 30. 
    If the AC Fuel pumps are not operating, from where is the fuel for the APU drawn:
    • A. 

      Sucks from the left wingtank.

    • B. 

      No fuel is available

    • C. 

      From Right maintank

    • D. 

      From the Centertank

  • 31. 
    How is APU oil and electrical generator cooled:
    • A. 

      By a gear driven fan.

    • B. 

      By the Heat exchanger

    • C. 

      By the Fuel flow from left maintank

    • D. 

      By air inlets

  • 32. 
    How are the APU speed and EGT controlled:
    • A. 

      By the EEC

    • B. 

      By a temp control sensor

    • C. 

      By the Fuel control unit (FCU)

    • D. 

      By the CDU

  • 33. 
    Where is the crew oxygen bottle located:
    • A. 

      In the rear cargo comp

    • B. 

      RHS of forwards cargo compartment. Blow out disc below FO’s window.

    • C. 

      Just above the FO

    • D. 

      Beneeth the Captain

  • 34. 
    Where is indicator for crew oxygen pressure indicator:
    • A. 

      On overhead panel.

    • B. 

      In the upper panel

    • C. 

      In the fron galley panel

    • D. 

      Just below the EFIS display

  • 35. 
    What is the normal pressure of crew oxygen system:
    • A. 

      1850 PSI

    • B. 

      150 PSI

    • C. 

      1830 PSI

    • D. 

      850 PSI

  • 36. 
    Cn the crew oxygen mask be tested without removing them from stowbox:
    • A. 

      Yes

    • B. 

      Yes But only in flight

    • C. 

      No

    • D. 

      Yes, But only by maintanense

  • 37. 
    Where is passenger oxygen stowed:
    • A. 

      In the PSUs (passenger service units) in the overhead panel. 4 masks on each side.

    • B. 

      In the aft galley

    • C. 

      In the flightdeck

    • D. 

      Above the captain

  • 38. 
    At what altitude are the PSU doors opened electrically:
    • A. 

      12.000ft

    • B. 

      14.000ft

    • C. 

      10.000ft

    • D. 

      16.000ft

  • 39. 
    Can the crew activate the passenger oxyegen system manually:
    • A. 

      No

    • B. 

      Yes. Using a switch on the flight deck overhead panel.

    • C. 

      Yes. Using the fire handle

    • D. 

      Yes. But only in flight with flaps extended

  • 40. 
    How is the passenger oxygen generated:
    • A. 

      By a chemical oxygen generators, activated by pulling on lanyards

    • B. 

      By bleed air

    • C. 

      By an engine driven pump

    • D. 

      By the Oxygen bottle behind the FO

  • 41. 
    Passenger oxygen last for:
    • A. 

      10 minutes

    • B. 

      7 minutes

    • C. 

      12 minutes

    • D. 

      15 minutes

  • 42. 
    What is pressure and capacity of portable oxygen bottles in the cabin:
    • A. 

      1850 PSI and 100 Litres

    • B. 

      1800 PSI and 120 Liters

    • C. 

      180 PSI and 120 Litres

    • D. 

      1800 PSI and 100 Litres