Principles of Flight - ATPL - Airline Transport Pilot Licence

Question 1

Which statement is correct? The lift to drag ratio determines the

Accepted Answer

Horizontal glide distance from a given altitude at zero wind and zero thrust

Answer

Endurance speed

Answer

Maximum rate of climb

Answer

Horizontal distance in the climb up to a given altitude

Question 2

For certification under CS-25, which statement is correct? I. Reference stall-speed tests must always use the aft CG limit. II. Minimum-control-speed tests must always use the forward CG limit.

Accepted Answer

I is incorrect, II is incorrect.

Answer

I is incorrect, II is correct.

Answer

I is correct, II is incorrect.

Answer

I is correct, II is correct.

Question 3

The effect of a positive wing sweep on static directional stability is as follows:

Accepted Answer

Stabilizing effect

Answer

No effect

Answer

Destabilizing dihedral effect

Answer

Negative dihedral effect

Question 4

The aerofoil polar is:

Accepted Answer

A graph of the relation between the lift coefficient and the drag coefficient

Answer

A graph of the relation between the lift coefficient and the angle of attack

Answer

The relation between the horizontal and the vertical speed

Answer

A graph, in which the thickness of the wing aerofoil is given as a function of the chord

Question 5

The frontal area of a body, placed in a certain airstream is increased by a factor 3. The shape will not alter. The aerodynamic drag will increase with a factor:

Accepted Answer

3

Answer

6

Answer

9

Answer

1.5

Question 6

Which statement follows from Bernoulli's equation for incompressible flow when total pressure remains constant?

Accepted Answer

An increase in dynamic pressure is accompanied by a decrease in static pressure.

Answer

An increase in dynamic pressure is accompanied by an increase in static pressure.

Answer

Static pressure is independent of dynamic pressure.

Answer

Total pressure decreases when static pressure increases.

Question 7

Air passes a normal shock wave. Which of the following statements is correct?

Accepted Answer

The static temperature increases

Answer

The velocity increases

Answer

The static temperature decreases

Answer

The static pressure decreases

Question 8

Compared with stalling airspeed (VS) in a given configuration, the airspeed at which stick shaker will be triggered is:

Accepted Answer

Greater than VS

Answer

1.30 VS

Answer

1.20 VS

Answer

1.12 VS

Question 9

By what percentage does the lift increase in a level turn at 45° angle of bank, compared to straight and level flight?

Accepted Answer

41%

Answer

31%

Answer

19%

Answer

52%

Question 10

The high lift device shown in the figure is a:

Accepted Answer

Slat

Answer

Krueger flap

Answer

Slotted flap

Answer

Fowler flap

Exam questions Principles of Flight - ATPL - Airline Transport Pilot Licence

ATPL - Airline Transport Pilot Licence: Principles of Flight 10 Questions no time limit

Exam questions Principles of Flight - ATPL - Airline Transport Pilot Licence

ATPL - Airline Transport Pilot Licence: Principles of Flight 10 Questions no time limit

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