Exercise: Steam Nozzles And Turbines

Questions for: Steam Nozzles And Turbines

A binary vapour plant consists of
A:
steam turbine
B:
steam condenser
C:
mercury boiler
D:
all of these
Answer: D
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In reaction turbines, the axial thrust is due to
A:
pressure drop across the rotor
B:
change in axial velocity
C:
both (a) and (b)
D:
none of these
Answer: C
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The critical pressure ratio (p2/p1) is given by
A:
B:
C:
D:
Answer: B
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Multi-stage steam turbines are of the
A:
velocity compounded type
B:
reaction type
C:
pressure compounded type
D:
all of these
Answer: D
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The blade velocity coefficient is ratio of relative velocity of steam at outlet tip of the blade to the relative velocity of steam at inlet tip of the blade.
A:
True
B:
False
C:
D:
Answer: A
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