2423149
Pregunta 1
Pregunta
Valve lag is the
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inlet valve closing after the BDC of the induction stroke
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inlet valve closing after TDC of the exhaust stroke
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exhaust valve closing after the TDC of the exhaust stroke
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exhaust valve closing after the BDC of the induction stroke
Pregunta 2
Pregunta
Spark plug fouling can be prevented by
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Avoiding operating the engine at low RPM for long periods
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Applying short bursts of power whilst taxiing
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Maintaining engine RPM within the red arc on the tachometer
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Operating the engine at low RPM occasionally
Pregunta 3
Pregunta
Which of the following best describes a wet sump oil system?
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A portion of the oil is stored in the sump and is topped up from the oil tank
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Used oil is collected in the sump and returned to the oil tank
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All the oil is contained within the engine
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No oil is needed for lubrication in this system
Pregunta 4
Pregunta
Airflow through a venturi, such as a carburettor, causes
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increasing pressure and decreasing velocity at the throat
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increasing velocity and decreasing pressure at the throat
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increasing velocity and increasing pressure at the throat
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increasing velocity and increasing pressure at the outlet
Pregunta 5
Pregunta
A bourdon tube change it's what when the pressure within changes?
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Temperature
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Density
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Length
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Curvature
Pregunta 6
Pregunta
Detonation could result from
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A higher grade of fuel than recommended
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Too low a manifold pressure
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Too weak a mixture
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Too rich a mixture
Pregunta 7
Pregunta
When a fuel priming pump is used, the fuel is normally delivered into the -
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Induction manifold or inlet valve port
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Booster pump
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Carburettor float chamber
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Combustion chamber
Pregunta 8
Pregunta
If a fuse blows in flight it
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should not be replaced until after landing
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may be replaced in the air once, with a fuse of the same value
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may be replaced with a fuse of a higher value to prevent blowing again
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may be replaced in the air once, with a fuse of a lower value
Pregunta 9
Pregunta
In the event of an alternator failure in flight the
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Electrical load should be reduced and the flight continued
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Electrical load should be reduced and a landing made at the nearest suitable airfield
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Master switch should be turned off and the flight continued without electrics
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Flight may be continued because the battery will supply the electricity
Pregunta 10
Pregunta
In a diesel engine, ignition occurs through
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A spark plug
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A fuse wire
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Compression
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An open flame
Pregunta 11
Pregunta
The yellow arc on the airspeed indicator represents the
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Caution range
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Flap operating range
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Normal operating range
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Never exceed range
Pregunta 12
Pregunta
In flight is is observed that the vacuum gauge reads zero, however the vacuum driven instruments appear to be functioning normally. This implies that -
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The vacuum gauge has failed
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Nothing is wrong
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The air filter is blocked
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The vacuum pump has failed
Pregunta 13
Pregunta
The apparent drift of a direction indicator is caused by -
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Mechanical wear in the instrument
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Movement of the gyroscope spin axis
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Slowing of the gyroscope rotor
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Rotation of Earth
Pregunta 14
Pregunta
When referenced to the stall of a clean airfoil, extended trailing edge flaps will give
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A higher geometric stalling angle of attack
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A higher stalling speed
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The same stalling angle of attack
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A lower geometric stalling angle of attack
Pregunta 15
Pregunta
What happens to the turn rate and radius in a level turn if airspeed is increased?
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Rate increases, radius decreases
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Both increase
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Rate decreases, radius increases
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Both decrease
Pregunta 16
Pregunta
An increase in airspeed, for a constant angle of attack causes
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Decreased lift and increased profile drag
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No change in lift but increased profile drag
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Increased lift and no change in profile drag
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Increased lift and increased profile drag
Pregunta 17
Pregunta
An aircraft is said to be in equilibrium when
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Weight equals drag and lift equals trust
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Weight equals lift and drag equals thrust
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Lift equals weight and drag equals power
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Lift equals drag and thrust equals weight
Pregunta 18
Pregunta
At high speed control surfaces may be prone to flutter, this is avoided by
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Fitting mass balances forward of the hinge line
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Using an anti-balance tab
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Using a trim tab
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Using a horn balance
Pregunta 19
Pregunta
The coefficient of lift is at its maximum value at
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The critical angle of attack
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The IAS for minimum drag
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Four degrees angle of attack
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A negative angle of attack
Pregunta 20
Pregunta
The elevators control the aircraft in ________ about the ________ axis
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Roll, longitudinal
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Pitch, longitudinal
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Pitch, lateral
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Roll, lateral
Pregunta 21
Pregunta
As the airspeed of an aircraft in increased
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Induced drag increases and parasite drag decreases
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Induced drag decreases and parasite drag increases
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Both induced drag and parasite drag increases
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Both induced drag and parasite drag decreases
Pregunta 22
Pregunta
An aircraft with an aft CoG is
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Stable in pitch
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Harder to stall
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Sensitive to pitch
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Easy to recover from a spin
Pregunta 23
Pregunta
On take-off in an aircraft with a clock wise turning propellor (as viewed from the cockpit) the torque reaction causes
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The tail to rise
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Roll to the right
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The nose to rise
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Roll to the left
Pregunta 24
Pregunta
If the CG of an aircraft is at or near the forward limit, this will cause
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Higher elevator forces during the flare just before touchdown
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A reduction in basic stalling speed
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A decrease in take off speed
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Increased static stability damping
Pregunta 25
Pregunta
Rotational speed of the engine is measured by
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Ratiometer
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Tachometer
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Spin gauge
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Engine speed indicator
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