DAPZOI
Home Topics Quiz Login


Drag Force MCQ Questions & Answers

Drag Force MCQs : This section focuses on the "Drag Force". These Multiple Choice Questions (MCQs) should be practiced to improve the Drag Force skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.




Question 1

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

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. The zero-lift drag force is half divided to atmospheric pressure

View Answer

Question 2

In high subsonic mach number a value dependent wave drag is not induced.

A. True
B. False

View Answer

Question 3

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

A. True
B. False

View Answer

Question 4

The drag force is directly proportional to the dynamic pressure.

A. True
B. False

View Answer

Question 5

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

A. True
B. False

View Answer

Question 6

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

A. True
B. False

View Answer

Question 7

There are three types of drag.

A. True
B. False

View Answer

Question 8

Total drag is the sum of ______________

A. lift dependent drag and lift independent drag
B. lift dependent drag, lift independent drag and volume dependent wave drag
C. lift dependent drag and volume dependent wave drag
D. volume dependent wave drag and lift independent drag

View Answer

Question 9

Which of the following are the two types of lift independent drag?

A. surface friction drag and profile drag
B. induced drag and profile drag
C. surface friction drag and induced drag
D. parasitic drag and induced drag

View Answer

Question 10

Which of the following is the correct relation between lift dependent drag, lift independent drag and drag coefficient?

A. CD=CDz+KCL2
B. CD=CDz-KCL2
C. CD=CDz*KCL2
D. CD=CDz/KCL2

View Answer