Explore topic-wise MCQs in Aircraft Design.

This section includes 15 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.

Following graph represents _____

A. thrust lapse at cruise
B. power lapse at cruise
C. temperature lapse rate
D. temperature variation
Answer» B. power lapse at cruise
Discussion
2.

An aircraft is cruising with lift coefficient of 2.5 and thrust loading of 0.6. Find drag coefficient of the aircraft.

A. 1.5
B. 2.5
C. 2.6
D. 2.59
Answer» B. 2.5
Discussion
3.

If a turboprop is cruising with 2275kg of weight, then determine power loading. Given power = 190hp.

A. 12
B. 5
C. 10
D. 25
Answer» B. 5
Discussion
4.

If thrust loading is 0.65 then, find the power loading of a prop aircraft. Consider propeller is idle.

A. 846.15/V
B. 846.15
C. 650
D. 6.5
Answer» B. 846.15
Discussion
5.

A jet fighter aircraft is flying with maximum Mach number of 2.0. What will be the thrust loading of the fighter?

A. 0.57
B. 0.64
C. 2.5
D. 2.0
Answer» B. 0.64
Discussion
6.

Typically, designer designs thrust loading based on ________

A. static sea-level conditions, take-off requirement etc
B. only Lift
C. only static sea-level conditions
D. only landing conditions
Answer» B. only Lift
Discussion
7.

Which of the following is correct for horsepower (hp) to the weight ratio?

A. T/W = (550*η / V) * (hp/W)
B. T/W = (550*η / V)
C. T/W = (550*η / V) + (hp/W)
D. T/W = (550*η / V) – (hp/W)
Answer» B. T/W = (550*η / V)
Discussion
8.

Determine the corrections or otherwise of the following assertion [A] and reason [R]:Assertion [A]: Aerobatic prop aircraft has much higher power loading.Reason[R]: Power loading of prop aircraft is ratio of power to the weight of the aircraft.

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. Both [A] and [R] are false
D. [A] is false but [R] is true
Answer» D. [A] is false but [R] is true
Discussion
9.

Power loading of a prop driven aircraft is defined as _________

A. weight of aircraft to the horsepower by prop engine
B. weight of aircraft into the horsepower by prop engine
C. horsepower by prop engine
D. weight of aircraft
Answer» B. weight of aircraft into the horsepower by prop engine
Discussion
10.

Power loading of prop driven aircraft is ______

A. greater or equal to one
B. same as lift of propeller
C. always be zero
D. equal to drag always
Answer» B. same as lift of propeller
Discussion
11.

Thrust loading during flight does not remain constant as _____

A. fuel burns with each mission phase
B. fuel is not burned at all
C. will not change
D. lofting is changed
Answer» B. fuel is not burned at all
Discussion
12.

Thrust to weight ratio of all the aircrafts is same.

A. True
B. False
Answer» B. False
Discussion
13.

Higher value of thrust loading indicates ____

A. higher maximum speed
B. lowest maximum speed
C. lowest climb
D. lowest acceleration
Answer» B. lowest maximum speed
Discussion
14.

Can we estimate thrust loading based on Wing loading?

A. Yes
B. No
C. Both are same
D. Are not related to each other
Answer» B. No
Discussion
15.

A/C with higher thrust to weight ratio can accelerate more quickly.

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