Related Questions

Humayun is asked to write a guide for GMAT exam preparation. For his work the publishing company giving him a choice of a one time payment of tk. 25,625 or tk.15.75 per guide sold.How many guide need to be sold for the totsl income received by Humayun to be the same from either choice?
A 1250
B 1437
C 1500
D 1550
Parson's reaction turbine is a __________ reaction turbine.
A 40 percent
B 50 percent
C 60 percent
D 70 percent
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
Guide angle as per the aerofoil theory of Kaplan turbine blade design is defined as the angle between
A Lift and resultant force
B Drag and resultant force
C Lift and tangential force
D Lift and drag
To control the silt entry into a distributary at head regulator, King's vanes are provided which are the walls
A Of R.C.C. or steel plate 8 cm thick
B Of height $${\frac{1}{3}^{{\text{rd}}}}$$ to $${\frac{1}{4}^{{\text{th}}}}$$ the depth of water in the main canal
C Spaced at interval of $$1\frac{1}{2}$$ times their heights
D All the above
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
For Parson's reaction steam turbine, degree of reaction is
A 75%
B 100%
C 50%
D 60%

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