1000+ Power Plant Engineering MCQ Questions and Answers - 2
Question: 6
The flow of steam in a nozzle is subsonic at
(A) convergent portion
(B) divergent portion
(C) convergent divergent portion
(D) throat
Ans: B
divergent portion
Question: 7
Bomb calorimeter is used to determine
(A) lower calorific value at constant pressure
(B) higher calorific value at constant pressure
(C) lower calorific value at constant volume
(D) higher calorific value at constant volume
Ans: D
higher calorific value at constant volume
Question: 8
Hard coke is used in
(A) blast furnace
(B) domestic use
(C) locomotives
(D) thermal power plant
Ans:A
blast furnace
Question: 9
The change in internal energy in steam engines equals to
(A) change in enthalpy
(B) work done during adiabatic expansion
(C) work done during compression
(D) work done during the rankine cycle
Ans: B
work done during adiabatic expansion
Question: 10
A wet vapour can be completely specified by
(A) pressure and dryness fraction
(B) dryness fraction only
(C) specific volume only
(D) temperature only
Ans: A
pressure and dryness fraction
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