Mechanical Engineering - Steam Nozzles and Turbines

Exercise : Steam Nozzles and Turbines - Section 1
36.
The stage efficiency (ηS) is given by (where ηB = Blading efficiency, and ηN = Nozzle efficiency)
ηS = ηB x ηN
ηS = ηBN
ηS = ηNB
none of these
Answer: Option
Explanation:
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37.
The critical pressure ratio for initially dry saturated steam is more as compared to initially wet steam.
Yes
No
Answer: Option
Explanation:
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38.
In a convergent divergent nozzle, the discharge depends upon the initial conditions of steam and the area of nozzle at throat.
Correct
Incorrect
Answer: Option
Explanation:
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39.
Parson's reaction turbine is a __________ reaction turbine.
40 percent
50 percent
60 percent
70 percent
Answer: Option
Explanation:
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40.
The turbine blades are
straight
circular
curved
Answer: Option
Explanation:
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