Explore topic-wise MCQs in Thermodynamics.

This section includes 9 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 fluid should not be toxic, corrosive or excessively viscous.

A. true
B. false
Answer» B. false
Discussion
2.

The fluid should be chemically ____ and ____ contaminate the material of construction.

A. unstable, should
B. unstable, should not
C. stable, should
D. stable, should not
Answer» E.
Discussion
3.

The freezing point of fluid should be ____ room temperature.

A. equal to
B. below
C. above
D. none of the mentioned
Answer» C. above
Discussion
4.

The specific heat of the working fluid should be ____

A. small
B. large
C. very large
D. none of the mentioned
Answer» B. large
Discussion
5.

The saturation pressure at heat rejection temperature should be ____ atmospheric pressure.

A. equal to
B. below
C. above
D. none of the mentioned
Answer» D. none of the mentioned
Discussion
6.

The working fluid should have ____ critical temperature.

A. low
B. high
C. it does not matter
D. none of the mentioned
Answer» C. it does not matter
Discussion
7.

At the heat rejection temperature of 40 degree Celsius, the saturation pressure of steam is 0.075 bar.

A. true
B. false
Answer» B. false
Discussion
8.

With steam as working fluid, as pressure increases

A. metal stresses increases
B. thickness of walls of tubes, boiler drums, etc increases
C. both of the mentioned
D. none of the mentioned
Answer» D. none of the mentioned
Discussion
9.

Which of the following statement is true about steam?

A. the maximum temperature that can be used in steam cycles is 600 degree Celsius
B. the critical temperature of steam is around 375 degree Celsius
C. large superheating is required
D. all of the mentioned
Answer» E.
Discussion