1000+ Heat Engines Objective Questions and Answers Pdf - 3

Question: 11

In a jet propulsion unit, the products of combustion after passing through the gas turbine are discharged into

(A) atmosphere

(B) recycled back to compressor

(C) discharge nozzle

(D) vacuum

Question: 12

The vapour pressure is related to the enthalpy of vaporization in

(A) Maxwell’s equation

(B) Raoult’s law

(C) Henry’s law

(D) Clausius-Clapeyron equation

Question: 13

For the same maximum pressure and heat input, the most efficiency cycle is

(A) Dual

(B) Diesel

(C) Otto

(D) Brayton

Question: 14

Prony brakes are used for testing

(A) high speed engines

(B) slow speed engines

(C) large capacity engines

(D) small engines

Question: 15

Dissociation is

(A) process of heat liberation in which no flame exist

(B) slow combustion

(C) smokeless combustion

(D) same is combustion