The force acting on a gravity dam which causes stability is
A.Reservoir water pressure
B.Wind pressure
C.Earth and silt pressure
D.Uplift
E.Weight of the dam
Category: Fluid Mechanics and Hydraulic Machines Mcqs
Multistage centrifugal pumps are used
A.To produce high heads
B.To give high discharge
C.A and B above together
D.To pump viscous liquids
E.None of the above
Buoyant force is
A.The resultant force on a body due to the fluid surrounding it
B.The resultant force acting on a floating body
C.The force necessary to maintain equilibrium of a submerged body
D.A non-vertical force on symmetrical bodies
E.Equal to the volume of liquid displaced
In case of Buttress dams, too steep slopes
A.Increase the tendency to sliding
B.Increase inclined stress at heel
C.Increase tendency to over turning
D.Increase stresses at heels only
E.Increase tensile stress on upstream side of dam
Capacity of a hydro-electric plant in service in excess of the peak load is known as
A.Operating reserve
B.Spinning reserve
C.Cold reserve
D.Hot reserve
E.Peak reserve
Nagarjuna Sugar dam has been constucted on river
A.Periyar
B.Cauvery
C.Kali
D.Krishna
E.Mabanadi
In above problem what will be the ratio of discharge?
A.2.77
B.27.7
C.277
D.83.5
E.100
In case of forced vortex
A.Velocity decreases with radius
B.Velocity increases with radius
C.The fluid rotates as a composite solid
D.The motion of fluid varies at random
E.The fluid rotates with radial as well vertical velocities.
Euler’s equation of motion can be integrated when it is assumed that
A.The fluid is incompressible
B.Bernoulli’s satisfied
C.Continrity equation is satisfied
D.Velocity potential exists and the density is constant
E.The flow is rotational
When a fluid flows through a tapering pipe at a constantly increasing rate, the flow is said to
A.Unsteady flow
B.Unsteady uniform flow
C.Unsteady non-uniform flow
D.Turbulent flow
E.Irrotational flow
