Explore topic-wise MCQs in Aircraft Performance.

This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Aircraft Performance knowledge and support exam preparation. Choose a topic below to get started.

1.

What is the value of n exponential in the fuel flow law for a high bypass ratio turbofan?

A. 0.4
B. 0.5
C. 0.6
D. 0.7
Answer» D. 0.7
2.

What is the velocity of maximum specific endurance of the engine when the maximum air speed is 400m/s and the exponential value is 0.2?

A. 350.43
B. 490.34
C. 494.37
D. 380.43
Answer» E.
3.

What is the velocity of maximum specific air range of the engine when the maximum air speed is 400m/s and the exponential value is 0.2?

A. 300.84
B. 380.43
C. 440.76
D. 494.37
Answer» E.
4.

The formula for velocity of maximum specific endurance is _______________

A. ( big[ frac{3+n}{1+n} big]^{ frac{1}{4}} )V<sub>md</sub>
B. ( big[ frac{2+n}{1+n} big]^{ frac{1}{4}} )V<sub>md</sub>
C. ( big[ frac{2+n}{2-n} big]^{ frac{1}{4}} )V<sub>md</sub>
D. ( big[ frac{2-n}{2+n} big]^{ frac{1}{4}} )V<sub>md</sub>
Answer» E.
5.

The formula for velocity of maximum specific air range is __________

A. ( big[ frac{3-n}{1+n} big]^{ frac{1}{4}} )
B. ( big[ frac{3-n}{1+n} big]^{ frac{1}{3}} )V<sub>md</sub>
C. ( big[ frac{3-n}{1+n} big]^{ frac{1}{4}} )V<sub>md</sub>
D. ( big[ frac{3+n}{1+n} big]^{ frac{1}{4}} )V<sub>md</sub>
Answer» D. ( big[ frac{3+n}{1+n} big]^{ frac{1}{4}} )V<sub>md</sub>
6.

The value of n in fuel flow formula C=C2 ( theta^{ frac{1}{2}} )Mn is 0.2 for turbofan.

A. True
B. False
Answer» C.
7.

The value of n in fuel flow formula C=C2 ( theta^{ frac{1}{2}} )Mn is 0.6 for turbojet.

A. True
B. False
Answer» C.
8.

Thrust produced is the functional form of engine speed and flight Mach number.

A. True
B. False
Answer» B. False
9.

Which of the following is a correct form of fuel flow?

A. C=C<sub>2</sub> M<sup>n</sup>
B. C=C<sub>2</sub> <sup> ( frac{1}{2} )</sup>M
C. C=C<sub>2</sub> M
D. C=C<sub>2</sub> <sup> ( frac{1}{2} )</sup>M<sup>n</sup>
Answer» E.
10.

The range and endurance are proportional to which of the following factors?

A. fuel flow
B. net thrust
C. bypass ratio
D. airspeed
Answer» C. bypass ratio