1000+ Mechanical Engineering Interview Questions and Answers Pdf - 1

Question: 1

In the bottoming cycle of cogeneration, low grade waste heat is used for

(A) feed water heating

(B) processing

(C) power generation

(D) none of the above

Question: 2

During which of the following process does not heat rejection take place in carnot vapour cycle?

(A) constant entropy

(B) constant temperature

(C) constant pressure

(D) constant volume

Question: 3

In steam turbine terminology, diaphragm refers to

(A) the flange connecting the turbine exit to the condenser

(B) a partition between low and high pressure sides

(C) the ring of guides blades between rotors

(D) separating wall between rotors carrying nozzles

Question: 4

When solid fuels are burned, the nitrogen content of the flue gas by volume is about

(A) 60%

(B) 70%

(C) 80%

(D) 90%

Question: 5

Employing superheated steam in turbines leads to

(A) no change in erosion of blading

(B) no erosion in blading

(C) increase in erosion of blading

(D) decrease in erosion of blading