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Engineering
Mechanical
ME Set-1
Steam Nozzles and Turbines
22

Steam Nozzles and Turbines MCQ with Answers

22) The ratio of the workdone on the blades to the energy supplied to the blades, is called

blading efficiency

nozzle efficiency

gross or stage efficiency

mechanical efficiency

Answer is:

blading efficiency

Steam Nozzles and Turbines MCQ with Answers

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Related Steam Nozzles and Turbines MCQ with Answers

23) The discharge is __________ at critical pressure.

zero

minimum

maximum

none of these

Answer is:

maximum

24) The supersaturated flow of steam through a nozzle as compared to a stable flow, the available heat drop

remains the same

increases

decreases

is unpredictable

Answer is:

decreases

25) The steam leaves the nozzle at a

high pressure and a low velocity

high pressure and a high velocity

low pressure and a low velocity

low pressure and a high velocity

Answer is:

low pressure and a high velocity

26) The critical pressure gives the velocity of steam at the throat

equal to the velocity of sound

less than the velocity of sound

more than the velocity of sound

none of these

Answer is:

equal to the velocity of sound

Steam Nozzles and Turbines MCQ with Answers

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