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Engineering
Mechanical
ME Set-1
Steam Nozzles and Turbines
20

Steam Nozzles and Turbines MCQ with Answers

20) Thermal equilibrium means that the flow of steam is

isothermal

isentropic

hyperbolic

polytropic

Answer is:

isentropic

Steam Nozzles and Turbines MCQ with Answers

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Related Steam Nozzles and Turbines MCQ with Answers

21) When the back pressure of a nozzle is below the designed value of pressure at exit of nozzle, the nozzle is said to be

choked

underdamping

overdamping

none of these

Answer is:

underdamping

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

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

Steam Nozzles and Turbines MCQ with Answers

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