1000+ Steam and Power Generation MCQ Questions and Answers - 1

Question: 1

A regenerative steam cycle renders

(A) decreased work output per unit mass of steam as well as increased thermal efficiency

(B) increased thermal efficiency

(C) decreased work output per unit mass of steam

(D) increased work output per unit mass of steam

Ans: A

decreased work output per unit mass of steam as well as increased thermal efficiency

Question: 2

The density in locomotive boilers is produced by

(A) locomotion

(B) steam jet

(C) centrifugal fan

(D) chimney

Ans: B

steam jet

Question: 3

Which one of the following gaseous fuels does not have different higher and lower calorific values?

(A) hydrogen

(B) carbon monoxide

(C) ethane

(D) methane

Ans: B

carbon monoxide

Question: 4

The calorific value determined by the bomb calorimeter is

(A) higher calorific value at constant volume

(B) lower calorific value at constant volume

(C) higher calorific value at constant pressure

(D) lower calorific value at constant pressure

Ans: A

higher calorific value at constant volume

Question: 5

In Orsat apparatus

(A) oxygen is absorbed in pyrogalic acid

(B) nitrogen is absorbed in hot nickel chrome compound

(C) carbon monoxide is absorbed in caustic potash solution

(D) carbon dioxide is absorbed in cuprous chloride

Ans: A

oxygen is absorbed in pyrogalic acid

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