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Steam Nozzles And Turbines
Steam Nozzles And Turbines
Exercise: Steam Nozzles And Turbines
📂 Steam Nozzles And Turbines
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Questions for: Steam Nozzles And Turbines
The critical pressure gives the velocity of steam at the throat equal to the velocity of sound.
A:
Agree
B:
Disagree
C:
D:
Answer:
A
No answer description is available.
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The turbine, in which the general direction of the steam flow is parallel to the turbine axis, is called axial flow turbines
A:
True
B:
False
C:
D:
Answer:
A
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Post
De-Laval turbine is a
A:
single rotor impulse turbine
B:
multi-rotor impulse turbine
C:
impulse reaction turbine
D:
none of these
Answer:
A
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A regenerative steam cycle renders
A:
increased work output per unit mass of steam
B:
decreased work output per unit mass of steam
C:
increased thermal efficiency
D:
decreased work output per unit mass of steam as well as increased thermal efficiency
Answer:
D
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The efficiency of reaction turbine is maximum when (where α = Angle made by the absolute velocity (
V
) at inlet)
A:
V
b
= 0.5
V
cos α
B:
V
b
=
V
cos α
C:
V
b
= 0.5
V
2
cos α
D:
V
b
=
V
2
cos α
Answer:
B
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