1000+ Power Plant Engineering MCQ Questions and Answers - 1
Question: 1
Heating wet steam at constant temperature is heating it at constant
(A) entropy
(B) enthalpy
(C) volume
(D) pressure
Ans: D
pressure
Question: 2
Maximum energy loss in a boiler occurs due to
(A) radiation losses
(B) flue gases
(C) unburnt carbon in ash
(D) incomplete combustion
Ans: B
flue gases
Question: 3
The compounding of steam turbines is done to
(A) increase blade speed ratio
(B) reduce axial thrust
(C) reduce turbine speed
(D) improve efficiency
Ans: C
reduce turbine speed
Question: 4
The specific volume of steam with increase in pressure decreases
(A) inversely
(B) rapidly first and then slowly
(C) slowly first and then rapidly
(D) linearly
Ans: B
rapidly first and then slowly
Question: 5
Hygrometry deals with the
(A) density measurement
(B) pressure of air
(C) watervapour in air
(D) temperature of air
Ans: C
watervapour in air
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