Exercise: Steam Nozzles And Turbines

Questions for: Steam Nozzles And Turbines

The action of steam in a steam turbine is
A:
static
B:
dynamic
C:
static and dynamic
D:
neither static nor dynamic
Answer: B
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The Parsons' reaction turbine has
A:
only moving blades
B:
only fixed blades
C:
identical fixed and moving blades
D:
fixed and moving blades of different shape
Answer: C
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The steam leaves 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: D
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The supersaturated flow of steam through a nozzle as compared to a stable flow, the available heat drop
A:
remains the same
B:
increases
C:
decreases
D:
is unpredictable
Answer: C
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The discharge is __________ at critical pressure.
A:
zero
B:
minimum
C:
maximum
D:
Answer: C
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