Explore topic-wise MCQs in Manufacturing Engineering Questions & Answers Fundamentals of Casting.

This section includes 6 Mcqs, each offering curated multiple-choice questions to sharpen your Manufacturing Engineering Questions & Answers Fundamentals of Casting knowledge and support exam preparation. Choose a topic below to get started.

1.

Assertion (A): Chills are used to reduce shrinkage porosity.Reason (R): the function of chill is to increase the rate of solidification in a critical region.

A. Both A and R is correct, and R is a correct explanation for A
B. Both A and R is correct, and R is an incorrect explanation for A
C. A is wrong but R is correct
D. A is correct but R is wrong
Answer» B. Both A and R is correct, and R is an incorrect explanation for A
Discussion
2.

Which one of the statements is not correct in metal casting?

A. Rapid cooling produces a solidified skin or shell
B. Those grain that have favourable orientation will grow preferentially
C. Cast iron has wide mushy zones
D. Lack of uniformity in grains size and distribution will cause anisotropic properties
Answer» D. Lack of uniformity in grains size and distribution will cause anisotropic properties
Discussion
3.

Dissolved gases may be removed from molten metal by?

A. Flushing or purging with inert gas
B. Melting and pouring the metal in vacuum
C. Flushing or purging with inert gas or Melting and pouring the metal in vacuum
D. Melting and pouring the metal in nitrogen atmosphere
Answer» D. Melting and pouring the metal in nitrogen atmosphere
Discussion
4.

Which one of the following expands during solidification?

A. Mild steel
B. Grey cast iron
C. Aluminium
D. Copper
Answer» C. Aluminium
Discussion
5.

According to Chvorinov s rule the solidification time is a function of volume and surface area and is given by the relationship between volume, area and some exponential power n . What is the value of n?

A. 1
B. 2
C. 3
D. 4
Answer» C. 3
Discussion
6.

If we decrease the freezing range, then the fluidity of metal will?

A. Increase
B. Decrease
C. Will not change
D. Initially increase and then decrease
Answer» B. Decrease
Discussion