Exercise: Steam Nozzles And Turbines

Questions for: Steam Nozzles And Turbines

The efficiency of steam turbines may be improved by
A:
reheating of steam
B:
regenerative feed heating
C:
binary vapour plant
D:
any one of these
Answer: D
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The ratio of the useful heat drop to the isentropic heat drop is called
A:
condenser efficiency
B:
nozzle efficiency
C:
boiler efficiency
D:
vacuum efficiency
Answer: B
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The maximum efficiency of a reaction turbine is
A:
B:
C:
D:
Answer: B
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The difference of supersaturated temperature and saturation temperature at that pressure is called
A:
degree of supersaturation
B:
degree of superheat
C:
degree of undercooling
D:
none of these
Answer: C
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The steam enters the nozzle at a
A:
high pressure and a low velocity
B:
high pressure and a high velocity
C:
low pressure and a low velocity
D:
low pressure and a high velocity
Answer: A
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