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.

The aircraft is symmetrical flight during the derivation of equations of motion.

A. True
B. False
Answer» B. False
Discussion
2.

What is the function of excess thrust in longitudinal equations of motion?

A. Decrease the potential energy and kinetic energy
B. Increase the potential energy and kinetic energy
C. Decrease the potential energy and increase kinetic energy
D. Increase the potential energy and decrease kinetic energy
Answer» C. Decrease the potential energy and increase kinetic energy
Discussion
3.

If the aircraft has a power-producing engine which have driven propellers then the power is to be converted to thrust to formulate the equations of motion.

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

Excess thrust in the longitudinal equations of motion is given by ____________

A. F<sub>N</sub>+D
B. F<sub>N</sub>-D
C. D-F<sub>N</sub>
D. F<sub>N</sub>*D
Answer» C. D-F<sub>N</sub>
Discussion
5.

In static performance the acceleration of the flight is zero.

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

The total thrust force assumed in the derivation of equations of motion is ___________

A. F<sub>N</sub>=T cos +D<sub>M</sub>
B. F<sub>N</sub>=T cos -D<sub>M</sub>
C. T cos =D<sub>M</sub>-F<sub>N</sub>
D. D<sub>M</sub>=T cos +F<sub>N</sub>
Answer» C. T cos =D<sub>M</sub>-F<sub>N</sub>
Discussion
7.

Which of the following is not the additional assumption taken in the derivation of the equations of motion?

A. Gross thrust acts in aircraft body axis
B. Thrust component is small compared to lift component
C. Aircraft is in symmetric flight
D. Rate of change of mass is neglected
Answer» D. Rate of change of mass is neglected
Discussion
8.

What is the basic assumption taken in formulating equations of motion?

A. All the engines will operate at equal gross thrust
B. All the engines do not operate at equal gross thrust
C. All the engines will operate at equal gross drag
D. All the engines do not operate at equal gross drag
Answer» B. All the engines do not operate at equal gross thrust
Discussion
9.

The system of forces acting on the aircraft are propulsive forces, aerodynamic forces, gravitational forces and these result in inertial forces.

A. True
B. False
Answer» B. False
Discussion
10.

Which of the following is a correct equation?

A. F<sub>a</sub>+F<sub>p</sub>+F<sub>g</sub>=F<sub>l</sub>
B. F<sub>a</sub>+F<sub>p</sub>+F<sub>g</sub>=F<sub>l</sub>
C. F<sub>a</sub>+F<sub>p</sub>+F<sub>g</sub>=F<sub>l</sub>
D. F<sub>a</sub>+F<sub>p</sub>+F<sub>g</sub>=F<sub>l</sub>
Answer» B. F<sub>a</sub>+F<sub>p</sub>+F<sub>g</sub>=F<sub>l</sub>
Discussion