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
Parson's reaction turbine is a __________ reaction turbine.
A 40 percent
B 50 percent
C 60 percent
D 70 percent
For Parson's reaction steam turbine, degree of reaction is
A 75%
B 100%
C 50%
D 60%
The average temperature for the first 4- days of a week is 40.2-degree Celcius and that of the last 4 days is 41.3-degree Celcius If the average temperature for the whole week is 40.6-degree Celcius then the temperature on the fourth day is-
A 38.5 Degree Celcius
B 40.8 Degree Celcius
C 41.3 Degree Celcius
D 41.8 Degree Celcius
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 degree of reaction of an axial flow turbine is the ratio of isentropic temperature drop in a blade row to the
A Adiabatic temperature drop in the stage
B Total temperature drop
C Total temperature drop in the stage
D Total adiabatic temperature drop
The isentropic enthalpy drop in moving blade is two-third of the isentropic enthalpy drop in fixed blades of a turbine. The degree of reaction will be
A 0.4
B 0.56
C 0.67
D 1.67

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