Explore topic-wise MCQs in Engineering Chemistry.

This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Chemistry knowledge and support exam preparation. Choose a topic below to get started.

1.

When a coking coal is burnt in absent of air, hard, strong and porous residue left is called as _____

A. Coke
B. Ash
C. Caking coal
D. Non-coking coal
Answer» B. Ash
Discussion
2.

Coals which become soft, plastic and fuse together to form large coherent masses are called ______

A. caking coals
B. non-caking coals
C. non-coking coals
D. pulverized coal
Answer» B. non-caking coals
Discussion
3.

Select the correct statement among the given below.

A. All coking coals are caking but not all caking coals are coking
B. All caking coals are coking but not all coking coals are caking
C. Coking and caking are the same types of coals
D. All types of coals can be coked
Answer» B. All caking coals are coking but not all coking coals are caking
Discussion
4.

Practically, coking coals are blended with ______

A. caking coals
B. non-caking coals
C. non-coking coals
D. lignite
Answer» C. non-coking coals
Discussion
5.

Caking coal with ______ content are used for gas manufacturer.

A. high volatile matter
B. low volatile matter
C. high ash content
D. high moisture content
Answer» B. low volatile matter
Discussion
6.

Only bituminous type of coal can be coked.

A. True
B. False
Answer» B. False
Discussion
7.

Which coals are suitable for metallurgical purposes?

A. Coking
B. Carburized
C. Non-coking
D. Decarburized
Answer» B. Carburized
Discussion
8.

Depending on the behaviour of the coal, when it is heated in the absence of air, it can be categorized into ______ categories.

A. 2
B. 3
C. 4
D. 5
Answer» B. 3
Discussion
9.

The process of converting coal into coke is called ______

A. Coking
B. Carbonization
C. Decarbonization
D. Isomerization
Answer» C. Decarbonization
Discussion
10.

All types of coals can be converted into coke.

A. True
B. False
Answer» C.
Discussion