Explore topic-wise MCQs in Aircraft Performance.

This section includes 11 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 energy change in the aircraft when the thrust is 244N and the distance travelled is 1230km?

A. 198000 N-Km
B. 484000 N-Km
C. 300120 N-Km
D. 234553 N-Km
Answer» D. 234553 N-Km
Discussion
2.

The energy change is given by __________

A. E= ( frac{T^2}{S^2} )
B. E= ( frac{T^2}{S} )
C. E= ( frac{T}{S} )
D. E=T x S
Answer» D. E=T x S
Discussion
3.

The difference between the lift-off speed and take-off safety speed must be small.

A. True
B. False
Answer» B. False
Discussion
4.

In the calculations the horizontal airborne distance is assumed to be much greater than 35 feet.

A. True
B. False
Answer» B. False
Discussion
5.

The airborne distance is given by __________

A. S<sub>A</sub>= ( frac{W}{(F_N-D)_{av}} Big { frac{V_{2}^2+V_{LOF}^2}{2g}+35 Big } )
B. S<sub>A</sub>= ( frac{W}{(F_N+D)_{av}} Big { frac{V_{2}^2+V_{LOF}^2}{2g}+35 Big } )
C. S<sub>A</sub>= ( frac{W}{(F_N+D)_{av}} Big { frac{V_{2}^2-V_{LOF}^2}{2g}+35 Big } )
D. S<sub>A</sub>= ( frac{W}{(F_N-D)_{av}} Big { frac{V_{2}^2-V_{LOF}^2}{2g}+35 Big } )
Answer» E.
Discussion
6.

The formula for ground run is given by the formula __________

A. S<sub>G</sub>= ( frac{V_{LOF}^2}{2g(A+BV^2)_{V_{LOF}}} )
B. S<sub>G</sub>= ( frac{V_{LOF}^2}{2g(A+BV^2)_{0.7V_{LOF}}} )
C. S<sub>G</sub>= ( frac{V_{LOF}^2}{2g(A-BV^2)_{0.7V_{LOF}}} )
D. S<sub>G</sub>= ( frac{V_{LOF}^2}{2g(A-BV^2)_{V_{LOF}}} )
Answer» D. S<sub>G</sub>= ( frac{V_{LOF}^2}{2g(A-BV^2)_{V_{LOF}}} )
Discussion
7.

The round bracket in the accelerating force represents the drag- lift ratio at the ground angle of attack.

A. True
B. False
Answer» B. False
Discussion
8.

The curly bracket in the accelerating force represents the net propulsive thrust- weight ratio.

A. True
B. False
Answer» B. False
Discussion
9.

Which of the following is the correct formula for accelerating force?

A. ( frac{F}{W}= Big { frac{F_N}{W}+ mu_R-sin gamma_R Big }- frac{L}{W} Big( frac{C_D}{C_L}- mu_R Big) )
B. ( frac{F}{W}= Big { frac{F_N}{W}- mu_R+sin gamma_R Big }- frac{L}{W} Big( frac{C_D}{C_L}- mu_R Big) )
C. ( frac{F}{W}= Big { frac{F_N}{W}- mu_R-sin gamma_R Big }- frac{L}{W} Big( frac{C_D}{C_L}- mu_R Big) )
D. ( frac{F}{W}= Big { frac{F_N}{W}- mu_R-sin gamma_R Big }- frac{L}{W} Big( frac{C_D}{C_L}+ mu_R Big) )
Answer» D. ( frac{F}{W}= Big { frac{F_N}{W}- mu_R-sin gamma_R Big }- frac{L}{W} Big( frac{C_D}{C_L}+ mu_R Big) )
Discussion
10.

Which of the following are the correct equations for take-off run?

A. F<sub>N</sub>+D-Wsin <sub>R</sub>- <sub>r</sub>R=mV
B. R-L=Wcos <sub>R</sub>
C. R-L=Wsin <sub>R</sub>
D. F<sub>N</sub>-D-Wsin <sub>R</sub>- <sub>r</sub>R=mV
Answer» E.
Discussion
11.

What are the additional forces acting on the aircraft?

A. Runway friction
B. Lift
C. Thrust
D. Power
Answer» B. Lift
Discussion