Related Questions

The specific speed of a turbine is the speed of an imaginary turbine, identical with the given turbine, which
A Delivers unit discharge under unit head
B Delivers unit discharge under unit speed
C Develops unit power under unit head
D Develops unit power under unit speed
which of the following components of reaction turbine increases the head on the turbine by an amount equal to the height of runner outlet above the tail race ?
A Scroll casing
B Guide vanes
C Draft tube
D Moving vanes
An impulse turbine as compared to a reaction turbine, for a given power has _________ row of blades.
A Equal
B Less
C More
D None of these
The Fourneyron turbine is _________ reaction turbine.
A An axial flow
B An inward flow
C An outward flow
D A mixed flow
The Thomson's turbine is _________ reaction turbine.
A An axial flow
B An inward flow
C An outward flow
D A mixed flow
The efficiency of a pressure-velocity compounded impulse turbine is __________ as compared to pressure compounded impulse turbine.
A Same
B Less
C More
D None of these
The pressure compounded impulse turbine as compared to velocity compounded turbine require __________ number of stages.
A Same
B Less
C More
D None of these
A pitched-blade turbine draws __________ a straight blade turbine.
A Less power than
B More power than
C Same power as
D Data insufficient to predict
For Parson's reaction steam turbine, degree of reaction is
A 75%
B 100%
C 50%
D 60%
In a reaction turbine when the degree of reaction is zero, then there is
A No heat drop in moving blades
B No heat drop in fixed blades
C Maximum heat drop in moving blades
D Maximum heat drop in fixed blades

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