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Engineering
Mechanical
ME Set-1
Steam Nozzles and Turbines
23

Steam Nozzles and Turbines MCQ with Answers

23) The discharge is __________ at critical pressure.

zero

minimum

maximum

none of these

Answer is:

maximum

Steam Nozzles and Turbines MCQ with Answers

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Related Steam Nozzles and Turbines MCQ with Answers

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

27) The Parsons' reaction turbine has

only moving blades

only fixed blades

identical fixed and moving blades

fixed and moving blades of different shape

Answer is:

identical fixed and moving blades

Steam Nozzles and Turbines MCQ with Answers

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