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Engineering
Mechanical
ME Set-1
Steam Nozzles and Turbines
82

Steam Nozzles and Turbines MCQ with Answers

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

A steam turbine develops higher speeds

The efficiency of steam turbine is higher

The steam consumption is less

all of these

Answer is:

all of these

Steam Nozzles and Turbines MCQ with Answers

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Related Steam Nozzles and Turbines MCQ with Answers

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

same as

2 times

4 times

8 times

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

blading efficiency

nozzle efficiency

stage efficiency

mechanical efficiency

Answer is:

stage efficiency

85) The diagram efficiency is the ratio of

workdone on the blades to the energy supplied to the blades

workdone on the blades per kg of steam to the total energy supplied per stage per kg of steam

energy supplied to the blades per kg of steam to the total energy supplied per stage per kg of steam

none of the above

Answer is:

workdone on the blades to the energy supplied to the blades

86) The Rankine efficiency depends upon total useful heat drop and total isentropic heat drop.

Correct

Incorrect

Answer is:

Incorrect

Steam Nozzles and Turbines MCQ with Answers

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