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.

Which of the following is the correct performance equation?

A. ( big[ frac{ lambda}{u}+ big]+ frac{1}{2} big[u^2+ frac{1}{u^2} big] )=E<sub>max</sub> ( big {sin gamma_2- frac{V}{g} big } )
B. ( big[ frac{ lambda}{u}+ big]- frac{1}{2} big[u^2+ frac{1}{u^2} big] )=E<sub>max</sub> ( big {sin gamma_2- frac{V}{g} big } )
C. ( big[ frac{ lambda}{u}+ big]+ frac{1}{2} big[u^2+ frac{1}{u^2} big] )=E<sub>max</sub> ( big {sin gamma_2+ frac{V}{g} big } )
D. ( big[ frac{ lambda}{u}+ big]- frac{1}{2} big[u^2+ frac{1}{u^2} big] )=E<sub>max</sub> ( big {sin gamma_2+ frac{V}{g} big } )
Answer» E.
Discussion
2.

What will be the drag to minimum drag ratio when the relative airspeed is 3.33?

A. 5.49
B. 1.51
C. 5.59
D. 1.82
Answer» D. 1.82
Discussion
3.

What is the relative airspeed of an aircraft whose airspeed and minimum drag speed are 500m/s and 150m/s?

A. 3.33
B. 0.3
C. 33.33
D. 0.333
Answer» B. 0.3
Discussion
4.

In a glider the engine used is thrust producing engine.

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

Airspeed with minimum power speed relates to the performance of the aircraft with power producing engine.

A. True
B. False
Answer» B. False
Discussion
6.

What is the value of minimum power speed when minimum drag speed is 300m/s?

A. 173.21 m/s
B. 227.95 m/s
C. 134.16 m/s
D. 200.62 m/s
Answer» C. 134.16 m/s
Discussion
7.

Which of the following is the correct relation between minimum power speed and minimum drag speed?

A. V<sub>mp</sub>= ( frac{1}{ sqrt[2]{3}} )V<sub>md</sub>
B. V<sub>mp</sub>= ( frac{1}{ sqrt[4]{3}} )V<sub>md</sub>
C. V<sub>mp</sub>= ( frac{1}{ sqrt[3]{3}} )V<sub>md</sub>
D. V<sub>mp</sub>= ( frac{1}{ sqrt[4]{5}} )V<sub>md</sub>
Answer» C. V<sub>mp</sub>= ( frac{1}{ sqrt[3]{3}} )V<sub>md</sub>
Discussion
8.

At steady state flight condition

A. T&gt;D
B. T&lt;D
C. T=D
D. T D
Answer» D. T D
Discussion
9.

The minimum drag mach number is given by ___________

A. ( big( frac{2W}{ rho S} big)^{ frac{1}{2}} big( frac{K}{C_{Dz}} big)^ frac{1}{4} )
B. ( big( frac{2W}{ gamma rho S} big)^{ frac{1}{2}} big( frac{K}{C_{Dz}} big)^ frac{1}{4} )
C. ( big( frac{2W}{ rho S} big)^{ frac{1}{2}} big( frac{K}{C_{Dz}} big)^ frac{1}{2} )
D. ( big( frac{2W}{ gamma rho S} big)^{ frac{1}{2}} big( frac{K}{C_{Dz}} big)^ frac{1}{2} )
Answer» C. ( big( frac{2W}{ rho S} big)^{ frac{1}{2}} big( frac{K}{C_{Dz}} big)^ frac{1}{2} )
Discussion
10.

The minimum drag speed is given by ___________

A. ( big( frac{2W}{ rho S} big)^{ frac{1}{2}} big( frac{K}{C_{Dz}} big)^ frac{1}{4} )
B. ( big( frac{2W}{ gamma rho S} big)^{ frac{1}{2}} big( frac{K}{C_{Dz}} big)^ frac{1}{4} )
C. ( big( frac{2W}{ rho S} big)^{ frac{1}{2}} big( frac{K}{C_{Dz}} big)^ frac{1}{2} )
D. ( big( frac{2W}{ gamma rho S} big)^{ frac{1}{2}} big( frac{K}{C_{Dz}} big)^ frac{1}{2} )
Answer» B. ( big( frac{2W}{ gamma rho S} big)^{ frac{1}{2}} big( frac{K}{C_{Dz}} big)^ frac{1}{4} )
Discussion