1000+ Heat Engines Questions and Answers Pdf - 1

Question: 1

A compound pressure gauge measures

(A) variable pressure

(B) compound pressure

(C) positive and negative pressure

(D) complex pressure

Question: 2

After cooler is used to

(A) remove impurities from air

(B) to cause moisture and oil vapour to drop out

(C) reduce the volume of air

(D) cool the air

Question: 3

According to Boyle's law

(A) at constant temperature, the absolute pressure of a gas varies inversely as its volume

(B) at constant temperature, the pressure of a gas varies inversely as its volume

(C) at constant pressure the absolute temperature of a gas varies inversely as its volume

(D) at constant pressure the temperature of a gas varies inversely as its volume

Question: 4

Which fuel will have least air consumption during combustion

(A) diesel

(B) spirit

(C) benzol

(D) gasoline

Question: 5

Which variety of coal has low calorific value?

(A) anthracite

(B) bituminous coal

(C) steam coal

(D) lignite