Explore topic-wise MCQs in Thermodynamics.

This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Thermodynamics knowledge and support exam preparation. Choose a topic below to get started.

1.

It is better to state that “the change of state is irreversible, rather than say it is an irreversible process”.

A. true
B. false
Answer» B. false
2.

The entropy change of a system between two identifiable equilibrium state is ___ when the intervening process is reversible or change of state is irreversible.

A. different
B. same
C. depends on the process
D. none of the mentioned
Answer» C. depends on the process
3.

The equation TdS=dH-Vdp

A. relates only the properties of a system
B. there is no path function term in the equation
C. the equation holds good for any process
D. all of the mentioned
Answer» E.
4.

The equation dQ=dU+pdV holds good for

A. open system
B. closed system
C. both of the mentioned
D. none of the mentioned
Answer» C. both of the mentioned
5.

THE_ENTROPY_CHANGE_OF_A_SYSTEM_BETWEEN_TWO_IDENTIFIABLE_EQUILIBRIUM_STATE_IS_____WHEN_THE_INTERVENING_PROCESS_IS_REVERSIBLE_OR_CHANGE_OF_STATE_IS_IRREVERSIBLE.?$

A. different
B. same
C. depends on the process
D. none of the mentioned
Answer» C. depends on the process
6.

It_is_better_to_state_that_“the_change_of_state_is_irreversible,_rather_than_say_it_is_an_irreversible_process”.$#

A. true
B. false
Answer» B. false
7.

The equation TdS=dH-Vd?

A. relates only the properties of a system
B. there is no path function term in the equation
C. the equation holds good for any process
D. all of the mentioned
Answer» E.
8.

The equation dQ=TdS is true only for a reversible process.

A. true
B. false
Answer» B. false
9.

The equation TdS=dU+pdV holds good for

A. reversible process
B. reversible process
C. both of the mentioned
D. none of the mentioned
Answer» D. none of the mentioned
10.

The equation dQ=dU+pdW holds good for any process undergone by a closed stationary system.

A. true
B. false
Answer» B. false
11.

The equation dQ=dE+dW holds good for

A. any process, reversible or irreversible
B. only reversible process
C. only irreversible process
D. none of the mentioned
Answer» B. only reversible process
12.

Which of the following equation is true?

A. TdS=dH+Vdp
B. TdS=dH-Vdp
C. TdS=-dH-Vdp
D. TdS=-dH+Vdp
Answer» C. TdS=-dH-Vdp
13.

The equation TdS=dU+pdV is obtained from which law?

A. first law
B. second law
C. both of the mentioned
D. none of the mentioned
Answer» D. none of the mentioned