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Solidification - Phase Transformation MCQ Questions

Solidification MCQs : Here you will find MCQ Questions related to "Solidification" in Phase Transformation. These Solidification MCQ Questions Will help you to improve your Phase Transformation knowledge and will prepare you for various Examinations like Competitive Exams, Placements, Interviews and other Entrance Exmaniations

Question 1

The solidification of pure metals is rarely encountered in practice. Which among the following is a reason for this?

A. Pure metals contain sufficient impurities
B. Pure metals have high value of Tm
C. Pure metals have low melting temperature
D. Pure metals can withstand high pressure

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Question 2

Which of the following is known as the equilibrium freezing range of the alloy?

A. T1+T3
B. T1*T3
C. T1-T3
D. T1/T3

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Question 3

Unidirectional solidification has commercial importance.

C. Can be true or false
D. Can not say

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Question 4

Liquid + α(solid phase)->β(solid phase), this kind of reactions are known as?

A. dendrites reaction
B. peritectic reaction
C. eutectic reaction
D. anomalous reaction

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Question 5

A planar eutectic front is always stable.

C. Can be true or false
D. Can not say

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Question 6

Which among the following is not a zone in solidified alloy ingots?

A. Columnar zone
B. Outer chill zone
C. Central equiaxed zone
D. Coverage zone

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Question 7

What happens to most metals on solidification?

A. Expand
B. Elongate
C. Shrink
D. No Change

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Question 8

In Solidification of Fusion Welds, A fusion-welding operation in which no filler metal is added is referred to as a/an _____

A. Compile weld
B. Autogenous weld
C. Filler Weld
D. Damper weld

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Question 9

In Solidification of Fusion Welds, which joint type, the parts lie in the same plane and are joined at their edges?

A. Corner
B. Lap
C. Tee
D. Butt

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Question 10

Calculate the heat density if the power transferred is 1000W and the corresponding surface area is 10m^2?

A. 1
B. 10
C. 100
D. 1000

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