Explore topic-wise MCQs in Thermodynamics.

This section includes 11 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 regenerative, Stirling and Ericsson cycles have same efficiency as Carnot cycle.

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

The efficiency of Ericsson cycle is ____ the efficiency of Carnot cycle.

A. more than
B. less than
C. equal to
D. none of the mentioned
Answer» C. equal to
Discussion
3.

The Ericsson cycle consists of

A. two reversible isotherms and two reversible isobars
B. two reversible isotherms and two reversible adiabatics
C. two reversible isotherms and two reversible isochores
D. two reversible isobars and two reversible adiabatics
Answer» B. two reversible isotherms and two reversible adiabatics
Discussion
4.

The Stirling cycle consists of

A. two reversible isotherms and two reversible isobars
B. two reversible isotherms and two reversible adiabatics
C. two reversible isotherms and two reversible isochores
D. two reversible isobars and two reversible adiabatics
Answer» D. two reversible isobars and two reversible adiabatics
Discussion
5.

THE_REGENERATIVE,_STIRLING_AND_ERICSSON_CYCLES_HAVE_SAME_EFFICIENCY_AS_CARNOT_CYCLE.?$

A. true
B. false
Answer» B. false
Discussion
6.

The efficiency of regenerative Stirling cycle is ____ the efficiency of Carnot cycle.

A. more than
B. less than
C. equal to
D. none of the mentioned
Answer» D. none of the mentioned
Discussion
7.

The efficiency of Stirling cycle is ____ the efficiency of Carnot cycle.

A. more than
B. less than
C. equal to
D. none of the mentioned
Answer» C. equal to
Discussion
8.

For a Carnot cycle, the large back work is a big disadvantage.

A. true
B. false
Answer» B. false
Discussion
9.

The efficiency of a Carnot cycle is given by

A. 1 – (T1/T2)
B. heat supplied / net work
C. net work / heat supplied
D. all of the mentioned
Answer» D. all of the mentioned
Discussion
10.

A Carnot cycle consists of

A. two reversible isotherms and two reversible isobars
B. two reversible isotherms and two reversible adiabatics
C. two reversible isotherms and two reversible isochores
D. two reversible isobars and two reversible adiabatics
Answer» C. two reversible isotherms and two reversible isochores
Discussion
11.

In a gas power cycle,

A. the working fluid is gas
B. it does not undergo phase change
C. engines which operate on gas cycle can be cyclic or non-cyclic
D. all of the mentioned
Answer» E.
Discussion