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Aircraft General & Principles of Flight

There are normally 50 questions in this examination.
Only one answer is correct.  The pass mark is 75%
You would normally be allowed 120 minutes. (This quiz is not timed.)

1   Which part of the wing structure determines the camber of the wing?

   A  The spars
   B  The longerons
   C  The stringers
   D  The ribs

2   The largest moment (i.e. turning effect) of the vertical fin will occur when:

   A  the centre of gravity is forward
   B  the centre of gravity is aft
   C  the centre of gravity is central
   D  the centre of gravity is slightly aft of central

3   Which control is the major limiting factor in determining the maximum crosswind limit of an aeroplane?

   A  The ailerons
   B  The elevator
   C  The rudder
   D  The trim tab

4   Which of the following is NOT an example of a leading or trailing edge device?

   A  Slats
   B  Slots
   C  Stringers
   D  Flaps

5   Your aircraft has a centre-zero ammeter fitted. If the needle is left of centre in normal flight, what does this mean?

   A  The alternator is operating at its maximum power output
   B  The alternator is charging the battery
   C  The alternator is about to fail
   D  The alternator is not able to supply the required electrical load

6   What is the purpose of the oil filter bypass valve?

   A  It is used when changing the oil filter
   B  It allows oil flow to bypass a clogged oil filter
   C  At low oil pressures it opens to provide maximum oil circulation to the engine
   D  It allows you to isolate the filter from the oil circuit for maintenance

7   The coefficient of lift can be increased by the use of flaps. What percentage increase can be achieved in typical light aircraft?

   A  Up to 10-20%
   B  Up to 100%
   C  Up to 250%
   D  Up to 400%

8   The white arc of the airspeed indicator (ASI) describes which of the following speed ranges?

   A  From V_S0 to V_NO
   B  From V_S0 to V_FE
   C  From V_S1 to V_NO
   D  From V_S1 to V_FE

9   The magnetic compass indicates horizontal direction most accurately at or near to the:

   A  north pole
   B  north or south pole
   C  equator
   D  45 degree latitude line (north or south)

10   If a force is applied to a spinning gyroscope, the change in direction is displaced 90 degrees further on in the direction of rotation. This phenomenon is known as:

   A  precession
   B  rigidity in space
   C  tautological redundancy
   D  drift

11   A 12 volt electrical system is being charged by an alternator. Under normal circumstances and light electrical load, what output voltage would you expect to measure at the alternator whilst the engine is running?

   A  Approximately 12 volts
   B  12.0 - 12.6 volts
   C  13.8 - 14.4 volts
   D  12-16 volts

12   A braking system that independently controls braking action on each wheel is known as:

   A  distributed braking
   B  cadence braking
   C  differential braking
   D  castor braking

13   A battery rated at 20 Ah (ampere hours) would theoretically provide a current of 5 amps for:

   A  15 hours
   B  4 hours
   C  100 hours
   D  25 hours

14   The primary effect of aileron input is roll. What is the secondary effect?

   A  An increase in airspeed
   B  Pitch
   C  Yaw
   D  More roll

15   Which of the following instruments measures dynamic pressure?

   A  The altimeter
   B  The ASI (Air Speed Indicator)
   C  The VSI (Vertical Speed Indicator)
   D  The AI (Attitude Indicator)

16   Which type of flap works by increasing the effective wing area?

   A  Simple flaps
   B  Split flaps
   C  Fowler flaps
   D  Differential flaps

17   Which of the following propellor characteristics would be most efficient at a low propellor rpm and high airspeed?

   A  Fine pitch
   B  Fine to medium pitch
   C  Medium pitch
   D  Coarse pitch

18   Poor siting of the static port may cause the altimeter to suffer from:

   A  instrument error
   B  position error
   C  gyroscopic precession
   D  engineer error

19   Which of the following lists contains items that are associated with parasitic drag?

   A  skin friction, form drag, interference drag, wingtip vortices
   B  skin friction, form drag, wingtip vortices
   C  skin friction, form drag, interference drag
   D  skin friction, interference drag, wingtip vortices

20   An aeroplane has a maximum take-off weight (MTOW) of 1543 kg. If the wing area is 27 square metres, what is the wing loading?

   A  63.1 kg per square metre
   B  32 kg per square metre
   C  51.1 kg per square metre
   D  57.1 kg per square metre

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