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Mechanical Engineering - Steam Nozzles and Turbines

Exercise : Steam Nozzles and Turbines - Section 1
31.
The critical pressure ratio (p2/p1) is given by
Answer: Option
Explanation:
No answer description is available. Let's discuss.
32.
In reaction turbines, the axial thrust is due to
pressure drop across the rotor
change in axial velocity
both (a) and (b)
none of these
Answer: Option
Explanation:
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33.
Which of the following statement is correct?
The expansion of steam in a nozzle follows Rankine cycle.
The friction in the nozzle increases the dryness fraction of steam.
The pressure of steam at throat is called critical pressure.
all of the above
Answer: Option
Explanation:
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34.
A binary vapour plant consists of
steam turbine
steam condenser
mercury boiler
all of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
35.
In a De-Laval nozzle expanding superheated steam from 10 bar to 0.1 bar, the pressure at the minimum cross-section (i. e. pressure at throat, p2) will be
3.3 bar
5.46 bar
8.2 bar
9.9 bar
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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