1000+ Mechanical Engineering Turbomachines Quiz Questions and Answers - 2

Question: 6

Thermal efficiency of a gas turbine is in the range

(A) 20%

(B) 35%

(C) 45%

(D) 50%

Question: 7

In a reheating gas turbine cycle, reheating is done

(A) in separate combustion chamber

(B) by gases from intercooler

(C) by gases from turbine exhaust

(D) any of the above

Question: 8

In rotory compressors, the ratio of isentropic work to Euler’s work is known as

(A) degree of reaction

(B) pressure coefficient

(C) slip factor

(D) work factor

Question: 9

Thermal efficiency of closed cycle gas turbine plant increases by

(A) regenerator

(B) reheating

(C) intercooling

(D) all of the above

Question: 10

A regenerator can be used on

(A) both open as well as closed cycle gas turbines

(B) open cycle gas turbines only

(C) closed cycle gas turbines only

(D) none of the above