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.

Which of the following is disadvantage of fixed engine sizing?

A. Often requires compromise in mission range or performance
B. Less costly compared to rubber engine
C. Availability is more than rubber engine
D. Has no disadvantage
Answer» B. Less costly compared to rubber engine
Discussion
2.

An aircraft needs to accelerate from 0.8M to 2.0M. What should be the mission segment weight fraction if fixed engine sizing is used?

A. 0.956
B. 0.9365
C. 0.937
D. 0.98052
Answer» B. 0.9365
Discussion
3.

As a designer let’s consider that we want to build an aircraft weighing 28000 units at take-off. How many engine will require if our thrust loading T.L. is 0.71 and thrust per engine is 10000 unit?

A. 2
B. 3
C. 4
D. 1
Answer» B. 3
Discussion
4.

Fixed engine sizing method is adopted for aircraft. If thrust per engine is 20000 unit and thrust loading T.L. is 0.8 then, find the take-off gross weight. Given aircraft has 2 engines.

A. 50000 unit
B. 58000 unit
C. 50822
D. 32589 unit
Answer» B. 58000 unit
Discussion
5.

Why we use fixed engine for aircraft sizing?

A. Cost effective
B. Can be stretched
C. Can be rubberized
D. Can provide variable thrust at sizing
Answer» B. Can be stretched
Discussion
6.

Size of fixed engine can vary during sizing.

A. True
B. False
Answer» C.
Discussion
7.

The thrust developed by fixed engine will be ___________

A. fixed during sizing
B. unfixed during sizing
C. independent of engine
D. zero at sizing
Answer» B. unfixed during sizing
Discussion
8.

Existing engine used for sizing is called as __________

A. fixed engine
B. unfixed engine
C. differential engine
D. rubber engine
Answer» B. unfixed engine
Discussion
9.

Based on existing engine or based on new design, aircraft sizing can be done.

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