Principles of Flight - ATPL - Airline Transport Pilot license

Question 1

When the air has passed through a normal shock wave the Mach number is

Accepted Answer

Less than 1.

Answer

Lower than before but still greater than 1.

Answer

Equal to 1.

Answer

Higher than before.

Question 2

The value of the induced drag of an aeroplane in straight and level flight at constant weight varies linearly with:

Accepted Answer

1/V^2

Answer

V^2

Answer

1/V

Answer

V

Question 3

Slat extension will:

Accepted Answer

Increase the critical angle of attack

Answer

Reduce tip vortices

Answer

Create gaps between leading edge and engine nacelles

Answer

Decrease the energy in the boundary layer on the upperside of the wing

Question 4

What is the limit load factor of a large transport aeroplane?

Accepted Answer

2.5

Answer

3.75

Answer

4.4

Answer

6

Question 5

Which design features improve static lateral stability? 1. Anhedral. 2. Dihedral. 3. Forward sweep. 4. Sweepback. The combination that regroups all of the correct statements is:

Accepted Answer

2, 4.

Answer

1, 4.

Answer

2, 3.

Answer

1, 3.

Question 6

If the sum of all the moments in flight is not zero, the aeroplane will rotate about the:

Accepted Answer

Centre of gravity.

Answer

Neutral point of the aeroplane.

Answer

Centre of pressure of the wing.

Answer

Aerodynamic centre of the wing.

Question 7

Just above the critical Mach number the first evidence of a shock wave will appear at the

Accepted Answer

Upper side of the wing.

Answer

Leading edge of the wing.

Answer

Lower side of the wing.

Answer

Trailing edge of the wing.

Question 8

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 9

The vane of a stall warning system with a flapper switch is activated by the change of the:

Accepted Answer

Stagnation point

Answer

Centre of pressure

Answer

Centre of gravity

Answer

Point of lowest pressure

Question 10

An aeroplane is provided with spoilers and in- and outboard ailerons. Roll control during cruise is provided by:

Accepted Answer

Inboard ailerons and roll-spoilers.

Answer

Outboard ailerons and roll-spoilers.

Answer

Inboard and outboard ailerons.

Answer

Outboard ailerons only.

Quiz Principles of Flight - ATPL - Airline Transport Pilot license

Test 10 Questions ATPL - Airline Transport Pilot license - Principles of Flight, no time limit