Explore topic-wise MCQs in Thermodynamics.

This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Thermodynamics knowledge and support exam preparation. Choose a topic below to get started.

1.

The bypass ratio is the ratio of

A. mass flow rates of two streams
B. pressure ratio of inlet and exit
C. volume flow rate of inlet and exit
D. none of the mentioned
Answer» B. pressure ratio of inlet and exit
Discussion
2.

In aircraft propulsion the most widely used engine is

A. turbojet
B. turbofan
C. turboprop
D. all of the mentioned
Answer» C. turboprop
Discussion
3.

We cannot use regenerators and intercoolers on aircraft engines.

A. true
B. false
Answer» B. false
Discussion
4.

The propulsive efficiency is given by

A. work done by engine / propulsive power
B. propulsive power / work done by engine
C. energy input rate / propulsive power
D. propulsive power / energy input rate
Answer» E.
Discussion
5.

When flying at high altitudes,

A. air is of less density
B. air exerts less drag force on aircraft
C. both of the mentioned
D. none of the mentioned
Answer» D. none of the mentioned
Discussion