Explore topic-wise MCQs in Chemical Engineering.

This section includes 18 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 efficiency of a heat engine with heat input 20 J and work output 5 J?

A. 25%
B. 50%
C. 75%
D. 100%View answer
Answer» B. 50%
2.

What is the efficiency of a heat engine with heat input 10 J and work output 7 J?

A. 30%
B. 70%
C. 100%
D. 140%View answer
Answer» C. 100%
3.

What is the efficiency of the system, if the actual work input from the process is 20 J and work input for a reversible process is 25 J?

A. 20%
B. 80%
C. 125%
D. 150%View answer
Answer» D. 150%View answer
4.

What is the efficiency of the system, if the actual work output from the process is 15 J and work output for a reversible process is 20 J?

A. 25%
B. 50%
C. 75%
D. 100%View answer
Answer» D. 100%View answer
5.

Energy out and Energy in of a system are 15 J and 25 J respectively, what is the efficiency of the system?

A. 40%
B. 60%
C. 80%
D. 110%View answer
Answer» C. 80%
6.

Energy out and Energy in of a system are 40 J and 25 J respectively, what is the efficiency of the system?

A. 40%
B. 80%
C. 160%
D. 200%View answer
Answer» D. 200%View answer
7.

Energy out and Energy in of a system are 10 J and 20 J respectively, what is the efficiency of the system?

A. 20%
B. 30%
C. 40%
D. 50%View answer
Answer» E.
8.

WHAT_IS_THE_EFFICIENCY_OF_THE_SYSTEM,_IF_THE_ACTUAL_WORK_INPUT_FROM_THE_PROCESS_IS_20_J_AND_WORK_INPUT_FOR_A_REVERSIBLE_PROCESS_IS_25_J??$

A. 20%
B. 80%
C. 125%
D. 150%
Answer» D. 150%
9.

What is the efficiency of a heat engine with heat input 20 J and work output 5 J?$

A. 25%
B. 50%
C. 75%
D. 100%
Answer» B. 50%
10.

What is the efficiency of a heat engine with heat input 10 J and work output 7 J?$

A. 30%
B. 70%
C. 100%
D. 140%
Answer» C. 100%
11.

What is the coefficient of performance of a system, if its work input is 75 J and heat removed is 45 J?

A. 20%
B. 40%
C. 60%
D. 80%
Answer» D. 80%
12.

What is the coefficient of performance of a system, if its work input is 50 J and heat removed is 35 J?

A. 35%
B. 50%
C. 70%
D. 95%
Answer» D. 95%
13.

What is the efficiency of a heat engine with heat input 5 J and work output 8 J?

A. 40%
B. 80%
C. 160%
D. 200%
Answer» D. 200%
14.

What is the efficiency of the system, if the actual work input from the process is 10 J and work input for a reversible process is 20 J?

A. 20%
B. 50%
C. 100%
D. 200%
Answer» E.
15.

What is the efficiency of the system, if the actual work output from the process is 20 J and work output for a reversible process is 25 J?

A. 10%
B. 20%
C. 40%
D. 80%
Answer» E.
16.

What is the efficiency of the system, if the actual work output from the process is 10 J and work output for a reversible process is 40 J?

A. 10%
B. 25%
C. 40%
D. 65%
Answer» C. 40%
17.

Energy out and Energy in of a system are 5 J and 25 J respectively, what is the efficiency of the system?

A. 20%
B. 40%
C. 60%
D. 80%
Answer» B. 40%
18.

Energy out and Energy in of a system are 10 J and 25 J respectively, what is the efficiency of the system?

A. 10%
B. 40%
C. 50%
D. 80%
Answer» C. 50%