7000+ Metallurgical Thermodynamics and Kinetics MCQ Questions Answers - 2

Question: 6

First law of thermodynamics deals with the

(A) Reversible processes only

(B) Irreversible processes only

(C) Direction of energy transfer

(D) None of these

Question: 7

Reduced pressure of a gas is the ratio of its

(A) Critical pressure to pressure

(B) Pressure to pseudocritical pressure

(C) Pseudocritical pressure to pressure

(D) Pressure to critical pressure

Question: 8

Third law of thermodynamics is concerned with the

(A) Direction of energy transfer

(B) Energy transfer

(C) Value of absolute entropy

(D) None of these

Question: 9

A chemical reaction will occurs spontaneously at constant pressure and temperature, if the free energy is

(A) Positive

(B) Negative

(C) Infinity

(D) Zero

Question: 10

Heat of reaction is

(A) Dependent on both pressure and temperature

(B) Independent of temperature changes

(C) Dependent on pressure only

(D) Dependent on temperature only