Chemical Engineering Thermodynamics MCQ Questions & Answers Pdf - 3

Question: 11

A gas shows deviation from ideal behaviour at

(A) high temperature and high pressure

(B) low temperature and high pressure

(C) low pressure and low temperature

(D) low pressure and high temperature

Question: 12

The first law of thermodynamics is a statement of conservation of

(A) energy

(B) work

(C) momentum

(D) heat

Question: 13

In a surface condenser used in a steam power station undercooling of condensate is undesirable as this would

(A) increases thermal stresses in the condenser

(B) increase the cooling water requirement

(C) reduce efficiency of the plant

(D) not absorbs the gases in steam

Question: 14

Fugacity and pressure are numerically equal, when the gas is

(A) in ideal state

(B) at low temperature

(C) at high pressure

(D) in standard state

Question: 15

Which of the following has the least thermal efficiency?

(A) otto engine

(B) diesel engine

(C) carnot engine

(D) steam engine