1000+ Turbomachinery Interview Questions and Answers - 1

Question: 1

Normal standard of compression for rotary compressor is

(A) constant pressure compression

(B) isentropic compression

(C) polytropic compression

(D) adiabatic compression

Ans: B

isentropic compression

Question: 2

The effect of blade friction in a steam turbine is to

(A) reduce work done

(B) reduce exhaust pressure

(C) increase the specific output

(D) reheat the steam

Ans: A

reduce work done

Question: 3

Which of the following is the smallest and lightest for generating a given amount of power

(A) solar plant

(B) diesel engine

(C) petrol engine

(D) steam power plant

Ans: A

solar plant

Question: 4

Bleeding in steam turbine refers to

(A) purposely withdrawn for feed water heating

(B) purposely withdrawn steam for process application

(C) leakage of steam through packings

(D) leakage of steam through bearings

Ans: A

purposely withdrawn for feed water heating

Question: 5

Gas turbine used in aircraft is of

(A) open cycle type with reheating, regeneration and intercooling

(B) closed cycle type with reheating and regeneration and intercooling

(C) closed cycle type with reheating

(D) open cycle type

Ans: D

open cycle type

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