Explore topic-wise MCQs in Unit Processes.

This section includes 11 Mcqs, each offering curated multiple-choice questions to sharpen your Unit Processes knowledge and support exam preparation. Choose a topic below to get started.

1.

Catalysts for use in industry depend on what?

A. Cost
B. Regeneration
C. Resistance to poisoning
D. All of the mentioned
Answer» E.
Discussion
2.

CATALYSTS_FOR_USE_IN_INDUSTRY_DEPEND_ON_WHAT??$

A. Cost
B. Regeneration
C. Resistance to poisoning
D. All of the mentioned
Answer» E.
Discussion
3.

What is meant by sintering?

A. Increase in activity
B. Increase in energy
C. Loss of activity
D. Decrease in activation energy
Answer» D. Decrease in activation energy
Discussion
4.

Contamination with foreign materials also causes poisoning?

A. Yes
B. No
Answer» B. No
Discussion
5.

Which of the following is an example of mixed mixture catalyst?

A. Nickel-copper
B. Nickel-alumina
C. Cobalt molybdate
D. All of the mentioned
Answer» E.
Discussion
6.

Which of the following acts as a poison catalyst?

A. Sulphur
B. Nickel
C. Aluminium
D. Hydrogen
Answer» B. Nickel
Discussion
7.

What happens when the amount of active surfaces increase?

A. More reaction
B. Less reaction
C. Less energy
D. More temperature
Answer» B. Less reaction
Discussion
8.

There is only one form of absorption.

A. True
B. False
Answer» C.
Discussion
9.

What is the need of catalyst poison?

A. Increase reaction
B. Increase temperature
C. Decrease reaction
D. None of the mentioned
Answer» D. None of the mentioned
Discussion
10.

An active catalyst has what type of absorptive powers?

A. Low
B. High
C. Moderate
D. None of the mentioned
Answer» C. Moderate
Discussion
11.

Hydrogenation catalysts are solids consisting of what?

A. Hydroxides
B. Phenols
C. Metals
D. All of the mentioned
Answer» D. All of the mentioned
Discussion