Related Questions

Parson's reaction turbine is a __________ reaction turbine.
A 40 percent
B 50 percent
C 60 percent
D 70 percent
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 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
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
Overall rate of reaction in a heterogenous catalytic reaction depends upon the mass and energy transfer from the fluid to solid surface and its rate of reaction is usually __________ the concentration of catalyst, if it does not entail a chain mechanism.
A Proportional to
B Independent of
C Inversely proportional to
D Proportional to the square of
A reaction in which one of the products of reaction acts as a catalyst is called a/an __________ reaction.
A Catalytic
B Autocatalytic
C Photochemical
D None of these
The reaction in which one of the products of reaction acts as a catalyst is called a/an __________ reaction.
A Biochemical
B Photochemical
C Catalytic
D Autocatalytic

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