Metallurgical Kinetics Objective Questions and Answers Pdf - 1

Question: 1

Radioactive decay follows the _____ order kinetics.

(A) First

(B) Second

(C) Third

(D) Fourth

Ans: A


Question: 2

With an increase in pressure in gaseous chemical reactions, the fractional conversion _____ when the number of moles decreases.

(A) Increases

(B) Decreases

(C) Remains unaffected

(D) Unpredictable from the data

Ans: A


Question: 3

The reactions with low activation energy are

(A) Always spontaneous

(B) Non spontaneous

(C) Slow

(D) Fast

Ans: D


Question: 4

Charpy test

(A) Is suitable for highly ductile material

(B) Is a destructive test

(C) Is not an impact test

(D) Employs the test specimen bar as a cantilever

Ans: B

Is a destructive test

Question: 5

In thermodynamics, the law of conservation of energy is expressed in the form of

(A) Zeroth law of thermodynamics

(B) First law of thermodynamics

(C) Second law of thermodynamics

(D) Third law of thermodynamics

Ans: B

First law of thermodynamics

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