M11 Turbine Aeroplane Structures & Systems Sub-Module No 4 (Quiz No:1)

Air Conditioning and Cabin Pressurization

Quiz

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1. compression of air…………..its temperature ?
   1.   Decreases
   2.   Raises
   3.   No effect
2. Turboprop aircraft often use flow multiplier, known as a ………….?
   1.   Piston pump
   2.   jet pump
   3.   Turbo-compressor
3. When in isobaric mode, the pressurization system ……….. the cabin altitude selected by the crew ?
   1.   decrease
   2.   increase
   3.   maintains
4. Aircraft of .…….... may be pressurized ?
   1.   Large size
   2.   Any size
   3.   Small size
5. On most aircraft, safety valves are set to open between ……………... psi ?
   1.   8 and 10
   2.   4 and 6
   3.   80 and 100
6. Atmospheric pressure decreases with …………. altitude ?
   1.   Increasing
   2.   Decreasing
   3.   Constant
7. Atmospheric pressure is measured with a……………?
   1.   Hygrometer
   2.   Multimeter
   3.   Barometer
8. One of the major concerns with pressurization and air conditioning systems is ?
   1.   vacoume pressure
   2.   Overheating
   3.   Cabin pressure
9. Cabin temperature pickup units and duct temperature sensors used in the temperature control system are __________?
   1.   Thermocouple
   2.   Thermistors
   3.   Thermameter
10. The ……………. is the lowest layer of the atmosphere ?
    1.   Stratoposphere
    2.   Troposphere
    3.   Mesoposphere