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Mechanical Engineering - Steam Nozzles and Turbines

Exercise : Steam Nozzles and Turbines - Section 2
16.
The velocity of steam, in reaction turbines, is increased in the fixed blades as well as in moving blades.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.
17.
The critical pressure ratio for gases is
0.528
0.546
0.577
0.582
Answer: Option
Explanation:
No answer description is available. Let's discuss.
18.
The efficiency of a pressure-velocity compounded impulse turbine is __________ as compared to pressure compounded impulse turbine.
same
less
more
Answer: Option
Explanation:
No answer description is available. Let's discuss.
19.
The effect of supersaturation is that the
mass of the steam discharged increases
entropy and specific volume of the steam increases
exit velocity of steam reduces
all of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
20.
The effect of friction on the flow of steam through a nozzle is to
decrease the mass flow rate and to increase the wetness of steam
increase the mass flow rate and to increase the exit temperature
decrease the mass flow rate and to decrease the wetness of steam
increase the exit temperature without any effect on mass flow rate
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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