Explore topic-wise MCQs in Aircraft Performance.

This section includes 9 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 equation for longitudinal performance equation of motion?

A. \(\frac{\eta P}{V}\)=D-Wsinγ2+mV
B. \(\frac{\eta P}{V}\)=D+Wsinγ2-mV
C. \(\frac{\eta T}{V}\)=D+Wsinγ2+mV
D. \(\frac{\eta P}{V}\)=D+Wsinγ2+mV
Answer» E.
2.

What is meant by static thrust?

A. thrust at maximum airspeed
B. power at zero airspeed
C. thrust at zero airspeed
D. power at maximum airspeed
Answer» D. power at maximum airspeed
3.

What is the propeller advance ratio for the power-producing powerplant when the true airspeed is 300m/s and the diameter of propeller is 0.5 m with rotational speed of 117.81rad/sec?

A. 7.01
B. 9.02
C. 5.09
D. 5.89
Answer» D. 5.89
4.

Which of the following relations are correct for propeller advance ratio?

A. J=\(\frac{TV}{nD}\)
B. J=\(\frac{P}{nD}\)
C. J=\(\frac{V}{nD}\)
D. J=\(\frac{PV}{nD}\)
Answer» D. J=\(\frac{PV}{nD}\)
5.

Which of the following relations are correct for pressure coefficient?

A. CP=\(\frac{P}{\frac{\rho n^3D^4}{2}}\)
B. CP=\(\frac{P}{\frac{\rho n^2D^5}{2}}\)
C. CP=\(\frac{TV}{\frac{\rho n^3D^5}{2}}\)
D. CP=\(\frac{P}{\frac{\rho n^3D^5}{2}}\)
Answer» E.
6.

The propeller efficiency depends on the advance ratio and power coefficient.

A. True
B. False
Answer» B. False
7.

Which of the following represents the correct formula for propeller efficiency?

A. η=\(\frac{T}{P}\)
B. η=\(\frac{P}{TV}\)
C. η=\(\frac{T}{PV}\)
D. η=\(\frac{TV}{P}\)
Answer» E.
8.

Which of the following is a power-producing powerplant?

A. Turbojet
B. Turbofan
C. Rocket
D. Piston engine
Answer» E.
9.

What is power producing powerplant?

A. Propulsive force that is directed by increasing momentum of the airflow
B. Propulsive force that is obtained from shaft power by propeller
C. Propulsive force that is directed by decreasing momentum of the airflow
D. Propulsive force that is obtained from engine power by propeller
Answer» C. Propulsive force that is directed by decreasing momentum of the airflow