Explore topic-wise MCQs in Casting.

This section includes 12 Mcqs, each offering curated multiple-choice questions to sharpen your Casting knowledge and support exam preparation. Choose a topic below to get started.

1.

External chills can be used again and again.

A. True
B. False
Answer» B. False
Discussion
2.

Which of the following materials are not used for making chills?

A. Steel
B. Cast iron
C. Copper
D. Zinc
Answer» E.
Discussion
3.

WHICH_OF_THE_FOLLOWING_MATERIALS_ARE_NOT_USED_FOR_MAKING_CHILLS??$

A. Steel
B. Cast iron
C. Copper
D. Zinc
Answer» E.
Discussion
4.

External_chills_can_be_used_again_and_again.$

A. True
B. False
Answer» B. False
Discussion
5.

With an increase in the volume of castings, how would it affect the freezing time?

A. Increase
B. Decrease
C. Will not change
D. No relation
Answer» B. Decrease
Discussion
6.

Chills promote only directional solidification.

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

How high can solidification rate factor be increased by metal chills?

A. 12
B. 13
C. 14
D. 15
Answer» D. 15
Discussion
8.

Heat diffusivity does not depend on which of the following?

A. Thermal conductivity
B. Specific heat
C. Latent heat
D. Density of the material.
Answer» D. Density of the material.
Discussion
9.

Up to what percent is the efficiency increased by using exothermic materials?

A. 65%
B. 70%
C. 755
D. 80%
Answer» C. 755
Discussion
10.

How many moles of iron oxide are needed to react with 8 moles of aluminium to form 4 moles of aluminium oxide?

A. 2
B. 8
C. 4
D. 6
Answer» D. 6
Discussion
11.

Iron oxide reacts with which metal to give aluminium oxide?

A. Iron
B. Aluminium
C. Copper
D. Zinc
Answer» C. Copper
Discussion
12.

Exothermic material does not contain which of the following metal oxide?

A. Cobalt
B. Copper
C. Iron
D. Magnesium
Answer» E.
Discussion