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

Air Conditioning and Cabin Pressurization

Quiz

 

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

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M3 Electrical Fundamentals Sub-Module No 11 (Quiz No:1)

Inductance

Quiz

 

1. The primary aspect of the operation of a coil is its property to oppose any change in current through it. This property is called-----------------?
   1.   Transister
   2.   Capacitance
   3.   Inductance
2. If more turns are used on the coil, meter deflection is------------------ and is proportional to the number of turns (n) ?
   1.   Less
   2.   Greater
   3.   Constant
3. It opposes the rate of change of current flowing through it due to the build up of self-induced energy within its magnetic field ?
   1.   Saturation current
   2.   Inductor
   3.   Capacitance
4. It is a qualitative law that specifies the direction of induced current but says nothing about its magnitude ?
   1.   Lenz's law
   2.   Electromagnetic induction
   3.   Faraday’s law
5. Eddy currents flow in closed loops within conductors, in planes------------------- to the magnetic field ?
   1.   Horizontal
   2.   Perpendicular
   3.   Longitudinal
6. They are also used in electronic filters to separate signals of different frequencies ?
   1.   Transister
   2.   Resistors
   3.   Inductors
7. They are used to block ac while allowing dc to pass, designed for this purpose are called ---------------?
   1.   Transister
   2.   Chokes
   3.   Capacitor
8. The permeability of ferromagnetic materials is------------------, but depends on h ?
   1.   Not Constant
   2.   Constant
   3.   Decreases
9. Eddy currents are also called ------------------?
   1.   Foucault currents
   2.   Saturation current
   3.   Self-induction
10. It is also called a choke ?
    1.   Capacitance
    2.   Transister
    3.   Inductor

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