Explore topic-wise MCQs in Aircraft Design.

This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Aircraft Design knowledge and support exam preparation. Choose a topic below to get started.

1.

Variable sweep wings have higher empty weight fraction than that of the fixed sweep wing.

A. True
B. False
Answer» B. False
Discussion
2.

Determine the corrections or otherwise of the following assertion [A] and reason [R]:Assertion [A]: Flying boats have higher values of empty weight fraction than that of the military aircraft.Reason[R]: Military aircraft has to be lighter in weight.

A. Both [A] and [R] are true and [R] is the correct reason for [A]
B. Both [A] and [R] are true but [R] is not the correct reason for [A]
C. [A] is true but [R] is false
D. [A] is false but [R] is true
Answer» E.
Discussion
3.

A military Aircraft should be designed to have ______

A. lowest possible empty weight fraction
B. highest possible empty weight fraction
C. empty weight fraction higher than 0.89
D. empty weight fraction unity
Answer» B. highest possible empty weight fraction
Discussion
4.

The empty weight fraction of a jet transport with fixed sweep is given by ______

A. 1.02*(Wo-0.06)*1.0
B. 1.5*(Wo-0.16)*1.0
C. 1.09*(Wo-0.06)*1.12
D. 1.02*(Wo-0.06)*1.04
Answer» B. 1.5*(Wo-0.16)*1.0
Discussion
5.

The design take-off gross weight of aircraft is given by _____

A. W0 = Wcrew + Wpayload + Wfuel – Wempty
B. W0 = Wcrew + Wpayload – Wfuel – Wempty
C. W0 = Wcrew + Wpayload + Wfuel * Wempty
D. W0 = Wcrew + Wpayload + Wfuel + Wempty
Answer» E.
Discussion
6.

For a typical jet following diagram is presented. What should be the average empty weight fraction for the aircraft?

A. 0.5
B. 0.35
C. 0.425
D. 0.42
Answer» D. 0.42
Discussion
7.

Which of the following pair is correct based on the empty weight fraction?

A. Flying boat-0.77, Jet trainer-0.65
B. Flying boat-0.65, Jet trainer-0.77
C. Flying boat-0.45, Jet trainer-0.65
D. Flying boat-0.3, Jet trainer-1.0
Answer» B. Flying boat-0.65, Jet trainer-0.77
Discussion
8.

Which of the following is the correct pair?

A. Empty weight fraction is similar to gross weight of the aircraft
B. Empty weight fraction is inversely proportion to gross weight of the aircraft
C. Empty weight fraction is directly proportion to gross weight of the aircraft
D. Empty weight fraction is not related with the gross weight of the aircraft
Answer» C. Empty weight fraction is directly proportion to gross weight of the aircraft
Discussion
9.

What is the typical range for empty weight fraction?

A. 0.3-0.7
B. 0.1-0.125
C. 0.14-0.28
D. 0.25-0.27
Answer» B. 0.1-0.125
Discussion