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Aircraft Information Evaluation

Multi-choice

Question

At the stall an increase in the angle of attack results in:

Answers

less lift and more drag.

more lift and more drag.

no effect on lift or drag.

more lift and less drag.

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Question

The sum of all the weight forces of an aircraft acts through the:

Answers

centre of pressure.

lateral axis.

centre of gravity.

load point.

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Question

The load on the wings at any time divided by the aircraft's weight is called the:

Answers

load factor

power factor.

aspect ratio.

lift-drag ratio.

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Question

Motion of an aircraft about the longitudinal axis is called:

Answers

yaw.

pitch.

roll.

autorotation.

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Question

When two forces are equal and opposite as well as parallel, but do not pass through the same point they are said to form a:

Answers

parallelogram.

pair.

triangle.

couple.

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Question

The published stalling speed of a glider is 30 mph. The glider will stall:

Answers

only if the indicated airspeed drops to 30 mph or less.

only if the nose of the glider is above the horizon.

only if the controls are fully crossed at low speed.

whenever the angle of attack exceeds the stalling angle.

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Question

On departing runway 36, turning left to a heading of 180 degrees. If the magnetic compass initially shows a turn in the opposite direction this is:

Answers

normal for all magnetic compasses with these conditions.

an indication that the compass is not working right.

unusual but this deviation may be corrected.

normal if the airplane would have departed on runway 09.

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Question

The maximum speed at which the pilot can safely apply abrupt control inputs without causing structural damage to the aircraft is the:

Answers

never exceed speed.

maximum towing speed.

manouvering speed.

maximum flaps extended speed.

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Question

As the angle of attack of an aircraft increases :

Answers

the centre of pressure moves forward.

the centre of gravity moves forward.

drag decreases, lift increases.

drag increases, lift decreases.

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Multi-choice

Question

What would be the effect on an airspeed indicator during a climb, if the pitot line were completely blocked?

Answers

The airspeed indicator would cease functioning.

The airspeed indicator would fluctuate wildly.

The airspeed indicator would behave normally.

The airspeed indicator would behave like an altimeter.

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Question

When after a disturbance, an aircraft tends to return to its original flight condition it is said to have:

Answers

control.

inherent stability.

equilibrium

balance.

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Question

The lift force on an aircraft in flight is considered to act:

Answers

upward with reference to the earth through the C of G.

upward at a 90 degree angle to the wing chord.

at right angles to the air flow through the centre of pressure.

at an angle to the stalling angle of the aircraft.

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Question

If a pilot does not apply forward or backward pressure to the control stick to keep a constant flying attitude, the aircraft is said to be in:

Answers

longitudinal trim.

lateral trim.

equilibrium.

control.

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Multi-choice

Question

The ratio of wing span to mean wing chord is called the:

Answers

fineness ratio.

lift to drag ratio.

dihedral ratio.

aspect ratio.

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Question

For a flapped glider, flaps would be lowered on landing approach to:

Answers

decrease your gliding angle by increasing the lift on the wings.

to steepen your gliding angle by increasing aircraft drag.

prevent undershooting by gliding further at a lower speed.

fly faster and at the same time glide further.

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Question

A glider has a lift-drag ratio of 40:1 at a speed of 55 mph. In a descent of 1000 ft.in still air, the horizontal distance covered would be nearest:

Answers

40 miles

1 mile.

8 miles.

6 miles

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Question

The average rate of descent for the glider in the above question would be:

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120 fpm

400 fpm

800 fpm

200 fpm

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Question

A glider weighing 500 pounds in a 70 degree banked turn will have an apparent weight of approximately:

Answers

1500 pounds

3500 pounds.

500 pounds.

1000 pounds.

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Question

When hangaring your aircraft at night the altimeter is set to the airport elevation at 520 ft. At night a low pressure area moves over the airport. The indicated altitude observed the next day would be:

Answers

520 feet.

lower than 520 feet.

the same as the altimeter setting.

higher than 520 feet.

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Question

What term is used to designate the curved surface of an airfoil?

Answers

longeron.

chord.

camber

dihedral.

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