Chemical Engineering Thermodynamics MCQ Questions & Answers Pdf - 1

Question: 1

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

Ans: A

dependent on both pressure and temperature

Question: 2

The enthalpy change when ammonia gas is dissolved in water is called the heat of

(A) combustion

(B) formation

(C) dilution

(D) solution

Ans: D

solution

Question: 3

Isobaric process means a constant _____ process.

(A) entropy

(B) volume

(C) pressure

(D) temperature

Ans: C

pressure

Question: 4

Solubility of a substance which dissolves with an increase in volume and liberation of heat will be favoured by the

(A) high pressure and high temperature

(B) low pressure and high temperature

(C) low pressure and low temperature

(D) high pressure and low temperature

Ans: C

low pressure and low temperature

Question: 5

A solid is transformed into vapour without going to the liquid phase at

(A) always

(B) triple point

(C) boiling point

(D) below triple point

Ans: B

triple point

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