Steam Nozzles and Turbines MCQ with Answers

Steam Nozzles and Turbines MCQ with Answers

81) Reheating of steam in a turbine

Answer is:

all of these

Explanation:

Reheating of steam in a turbine
* increases the work done through the turbine
* increases the efficiency of the turbine
* reduces wear on the blades

82) Which of the following statement is correct for steam turbines as compared to reciprocating steam engines?

Answer is:

all of these

83) The density of supersaturated steam is about __________ that of the ordinary saturated vapour at the corresponding pressure.

Answer is:

8 times

84) The ratio of the workdone on the blades per kg of steam to the total energy supplied per stage per kg of steam is called

Answer is:

stage efficiency

85) The diagram efficiency is the ratio of

Answer is:

workdone on the blades to the energy supplied to the blades

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