Drag Force Online Exam Quiz

Drag Force GK Quiz. Question and Answers related to Drag Force. MCQ (Multiple Choice Questions with answers about Drag Force

How is the zero-lift drag force related to atmospheric pressure?

Options

A : The zero-lift drag force is directly proportional to atmospheric pressure

B : The zero-lift drag force is indirectly proportional to atmospheric pressure

C : The zero-lift drag force is twice multiple to atmospheric pressure

D : he zero-lift drag force is half divided to atmospheric pressure

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Surface friction drag corresponds to 35% of the lift independent drag whereas the profile drag leads to 65% of the lift independent drag.

Options

A : TRUE

B : FALSE

C : -

D : -

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The drag force is directly proportional to the dynamic pressure.

Options

A : TRUE

B : FALSE

C : -

D : -

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The range factor is proportional to the square root of the initial cruising weight.

Options

A : TRUE

B : FALSE

C : -

D : -

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The surface friction drag coefficient is not effected by reynold's number effect.

Options

A : TRUE

B : FALSE

C : -

D : -

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The zero-lift drag force will decrease with decrease respect to altitude.

Options

A : TRUE

B : FALSE

C : -

D : -

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What happens if the final fuel weight increases in an aircraft?

Options

A : Fuel ratio increases

B : Fuel ratio is not effected

C : Range of the aircraft is increased

D : Range of the aircraft is decreased

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What is the relation between air temperature and the aircraft range?

Options

A : Air temperature increases with increase in the aircraft range

B : Air temperature decreases with increase in the aircraft range

C : Air temperature increases with decrease in the aircraft range

D : Air temperature is not effected by the aircraft range

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What is the relation between altitude and the aircraft range?

Options

A : Altitude increases with increase in the aircraft range

B : Altitude decreases with increase in the aircraft range

C : Altitude increases with decrease in the aircraft range

D : Altitude is not effected by the aircraft range

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Which of the following is a correct statement?

Options

A : Increase in initial weight of aircraft implies increase in fuel available for cruise

B : Decrease in initial weight of aircraft implies increase in fuel available for cruise

C : Increase in initial weight of aircraft implies decrease in fuel available for cruise

D : Increase in initial weight of aircraft does not have any effect on the fuel available for cruise

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