Explore topic-wise MCQs in Casting.

This section includes 14 Mcqs, each offering curated multiple-choice questions to sharpen your Casting knowledge and support exam preparation. Choose a topic below to get started.

1.

The solidification of casting in an insulating mould produces casting of hard and brittle nature.

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

It is very necessary to use high refractoriness of mould material for the making of insulated mould.

A. True
B. False
Answer» B. False
Discussion
3.

Chvorinov’s rule is commonly used for prediction of surface finish of the casting made in the mould.

A. True
B. False
Answer» C.
Discussion
4.

Which of the following formulas is given by Chvorinov’s rule for the estimation of total solidification time (ts)?a) ts = B/(V/A)nb) ts = B*(A/V)nc) ts = B*(V/

A. ts = B/(V/A)n
B. ts = B*(A/V)n
C. ts = B*(V/A)n
D. ts = B/(A/V)n
Answer» D. ts = B/(A/V)n
Discussion
5.

IT_IS_VERY_NECESSARY_TO_USE_HIGH_REFRACTORINESS_OF_MOULD_MATERIAL_FOR_THE_MAKING_OF_INSULATED_MOULD.?$

A. True
B. False
Answer» B. False
Discussion
6.

The_solidification_of_casting_in_an_insulating_mould_produces_casting_of_hard_and_brittle_nature.$

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

Chvorinov’s rule is commonly used for prediction of surface finish of the casting made in the mould?#

A. True
B. False
Answer» C.
Discussion
8.

Which of the following formulas is given by Chvorinov’s rule for the estimation of total solidification time (ts)?$

A. t<sub>s</sub> = B/(V/A)<sup>n</sup>
B. t<sub>s</sub> = B*(A/V)<sup>n</sup>
C. t<sub>s</sub> = B*(V/A)<sup>n</sup>
D. t<sub>s</sub> = B/(A/V)<sup>n</sup>
Answer» D. t<sub>s</sub> = B/(A/V)<sup>n</sup>
Discussion
9.

The amount of heat removed from the castings is dependent on the amount of superheating in the casting.

A. True
B. False
Answer» B. False
Discussion
10.

More divergence of heat flow from the interface shows consequently high solidification rate of the casting.

A. True
B. False
Answer» B. False
Discussion
11.

Which of the following metal-mould interfaces show the divergent nature of heat flow from the casting material?

A. Concave
B. Square plane
C. Rectangular plane
D. Convex
Answer» E.
Discussion
12.

In solidification of large casting in an insulating mould, precise calculations are made for the analysis of freezing time of the complex contours of casting.

A. True
B. False
Answer» C.
Discussion
13.

Concave, convex and plane types of metal mould interfaces are mainly considered for the estimation of freezing time of metal.

A. True
B. False
Answer» B. False
Discussion
14.

During the solidification of casting in an insulating mould, the heat transfer takes place from the upside of the moulding system which might cause defects in the castings.

A. True
B. False
Answer» C.
Discussion