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.

When Mach number, M>1 and flow area increases, then

A. pressure decreases
B. velocity increases
C. both of the mentioned
D. none of the mentioned
Answer» D. none of the mentioned
Discussion
2.

When Mach number, M>1 and flow area decreases, then

A. pressure increases
B. velocity decreases
C. both of the mentioned
D. none of the mentioned
Answer» D. none of the mentioned
Discussion
3.

For a subsonic flow,

A. a convergent passage becomes diffuser and a divergent passage becomes nozzle
B. a divergent passage becomes diffuser and a convergent passage becomes nozzle
C. both of the mentioned
D. none of the mentioned
Answer» C. both of the mentioned
Discussion
4.

When Mach number, M<1 and flow area increases, then

A. pressure increases
B. velocity decreases
C. both of the mentioned
D. none of the mentioned
Answer» D. none of the mentioned
Discussion
5.

When Mach number, M<1 and flow area decreases, then

A. pressure decreases
B. velocity increases
C. both of the mentioned
D. none of the mentioned
Answer» D. none of the mentioned
Discussion