Explore topic-wise MCQs in Chemical Engineering.

This section includes 21 Mcqs, each offering curated multiple-choice questions to sharpen your Chemical Engineering knowledge and support exam preparation. Choose a topic below to get started.

1.

What is the work done by 0.5 m3 saturated ethanol which evaporates to 20 kPa atmosphere to form 2 m3 of water vapor?

A. 20 kJ
B. -20 kJ
C. 30 kJ
D. -30 kJView answer
Answer» E.
Discussion
2.

What is the work done by 0.1 m3 saturated ethanol which evaporates to 10 kPa atmosphere to form 1 m3 of water vapor?

A. 9 kJ
B. -9 kJ
C. 10 kJ
D. -10 kJView answer
Answer» C. 10 kJ
Discussion
3.

What is the work done by saturated water which evaporates to 1 kPa atmosphere to form 2 m3 of water vapor?

A. -2 kJ
B. 2 kJ
C. -1 kJ
D. 1 kJView answer
Answer» B. 2 kJ
Discussion
4.

What is the work done by saturated water which evaporates to 20 kPa atmosphere to form 1.5 m3 of water vapor?

A. 20 kJ
B. -20 kJ
C. 30 kJ
D. -30 kJView answer
Answer» E.
Discussion
5.

What is the work done by saturated water which evaporates to 10 kPa atmosphere to form 1 m3 of water vapor?

A. 1 kJ
B. -1 kJ
C. 10 kJ
D. -10 kJView answer
Answer» E.
Discussion
6.

Fluid flow through pipe is an example of which process?

A. Reversible
B. Irreversible
C. Cannot say
D. None of the mentionedView answer
Answer» C. Cannot say
Discussion
7.

How long would it take for an irreversible process to complete?

A. Instant
B. Finite
C. Infinite
D. Cannot sayView answer
Answer» C. Infinite
Discussion
8.

FLUID_FLOW_THROUGH_PIPE_IS_AN_EXAMPLE_OF_WHICH_PROCESS??$

A. Reversible
B. Irreversible
C. Cannot say
D. None of the mentioned
Answer» C. Cannot say
Discussion
9.

What is the work done by saturated water which evaporates to 20 kPa atmosphere to form 1.5 m3 of water vapor?$

A. 20 kJ
B. -20 kJ
C. 30 kJ
D. -30 kJ
Answer» E.
Discussion
10.

What is the work done by saturated water which evaporates to 10 kPa atmosphere to form 1 m3 of water vapor?$

A. 1 kJ
B. -1 kJ
C. 10 kJ
D. -10 kJ
Answer» E.
Discussion
11.

What is the work done by 0.5 m3 saturated ethanol which evaporates to 20 kPa atmosphere to form 2 m3 of water vapor?

A. 20 kJ
B. -20 kJ
C. 30 kJ
D. -30 kJ
Answer» E.
Discussion
12.

What is the work done by 0.1 m3 saturated ethanol which evaporates to 10 kPa atmosphere to form 1 m3 of water vapor?

A. 9 kJ
B. -9 kJ
C. 10 kJ
D. -10 kJ
Answer» C. 10 kJ
Discussion
13.

What is the work done by saturated water which evaporates to 1 kPa atmosphere to form 2 m3 of water vapor?

A. -2 kJ
B. 2 kJ
C. -1 kJ
D. 1 kJ
Answer» B. 2 kJ
Discussion
14.

Change in phase is an example of which process?

A. Reversible
B. Irreversible
C. Cannot say
D. None of the mentioned
Answer» C. Cannot say
Discussion
15.

Mixing of dissimilar substances is an example of which process?

A. Reversible
B. Irreversible
C. Cannot say
D. None of the mentioned
Answer» C. Cannot say
Discussion
16.

Free expansion of gas against piston having friction is an example of which process?

A. Reversible
B. Irreversible
C. Cannot say
D. None of the mentioned
Answer» C. Cannot say
Discussion
17.

Free expansion of gas with frictionless piston is an example which process?

A. Reversible
B. Irreversible
C. Cannot say
D. None of the mentioned
Answer» B. Irreversible
Discussion
18.

Which of the following does both of the reversible and irreversible processes involve?

A. Increase molecular disorder
B. Dissipative effects
C. Friction
D. All of the mentioned
Answer» B. Dissipative effects
Discussion
19.

Which of the following a reversible process will involve?

A. Dissipative effects
B. Friction
C. Equilibrium transfer of energy
D. None of the mentioned
Answer» D. None of the mentioned
Discussion
20.

Reversible process can be reversed by differential change in which of the following?

A. Temperature
B. Pressure
C. Volume
D. All of the mentioned
Answer» E.
Discussion
21.

How long would it take for a reversible process to complete?

A. Instant
B. Infinite
C. Depends on the process
D. None of the mentioned
Answer» C. Depends on the process
Discussion