Gradually varied flow is
A.Steady uniform flow
B.Steady non-uniform flow
C.Unsteady uniform flow
D.Unsteady non-uniform flow
E.None of these answers
Category: Fluid Mechanics and Hydraulic Machines Mcqs
The centre of pressure on an immersed surface is
A.At the cantre of gravity
B.Above the centre of gravity
C.Below the centre of gravity
D.Depends on the viscosity of fluid
E.Depends on the density of fluid
Which mouthpiece is having maximum coefficient of discharge?
A.External mouthpiece
B.Convergent-Divergent mothpiece
C.Internal mouthpiece
D.None of the above
A plot between power generated in MW and time is known as
A.Load curve
B.Load duration curve
C.Load factor
D.Demand curve
E.None of the above
If the forces due to inertia, gravity and frictional resistance are insignificant, the design of a channel may be made by comparing
A.Weber number
B.Reynolds number
C.Froude’s number
D.Prandt number
E.Schmidt number
Which is the correct statement
A.In volute casing the velocity of water decreases but pressure increases
B.In volute casing the velocity of water and also pressure increase
C.Volute casing is improvement over the vortex casing
D.Volute casing provides diffusering
E.None of the above
The portion of the power canal which extends from the power house to the recepient water course, is known as
A.Tail race
B.Discharge channel
C.Exhaust
D.Tail surge channel
E.None of the above
World’s largest capacity hydro-electric generating plant is located in
A.U.S.A.
B.U.S.S.R.
C.Germany
D.France
E.India
The advantages of burried penstocks is
A.Less accessible in inspection
B.Tendency to slide along steep slopes
C.Location difficult
D.No expansion joints needed
E.Need for special coating against the corrosive action of salts present in soil
