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Engineering
Mechanical
ME Set-1
Steam Nozzles and Turbines
Steam Nozzles and Turbines MCQ with Answers
61)
The velocity of steam at throat of the nozzle is __________ the velocity of sound.
equal to
less than
more than
Answer
Answer is:
equal to
62)
The critical pressure ratio for initially dry saturated steam is
0.546
0.577
0.582
0.601
Answer
Answer is:
0.577
63)
The discharge through a nozzle is maximum for a certain value of exit pressure. This pressure is known as critical pressure.
Agree
Disagree
Answer
Answer is:
Agree
64)
The velocity of steam, in reaction turbines, is increased in the fixed blades as well as in moving blades.
Right
Wrong
Answer
Answer is:
Right
65)
The critical pressure ratio for gases is
0.528
0.546
0.577
0.582
Answer
Answer is:
0.528
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