The generating capacity of world’s largest capacity hydroelectric plant is of the order of
A.1000 MW
B.2000 MW
C.3000 MW
D.4000 MW
E.5000 MW
Category: Fluid Mechanics and Hydraulic Machines Mcqs
Concentrated solution of sugar is a
A.Dilatant fluid
B.Pseudo plastic fluid
C.Newtonian fluid
D.Ideal fluid
E.None of the above
Identify the case in which the friction drag is generally larger than pressure drag?
A.Flow past a sphere
B.Flow past a cylinder
C.Flow past an aerofoil
D.Flow past a thin sheet
The vertical component of pressure force on a submerged curved surface is equal to
A.Its horizontal component
B.The force on a vertical projection of the curved surface
C.The product of pressure at centroid and surface area
D.The weight of liquid vertically above the curved surface
E.None of the above
A piece of cork weighing 4 kg floats in water with 40% of its volume under the liquid. Determine specific gravity of cork.
A.1
B.0.16
C.0.4
D.0.6
E.None of the above
The flow in venturi flume takes place at
A.Atmospheric pressure
B.Vacuum
C.High pressure
D.Varying pressure
E.None of the above
Hydraulic jump occurs when
A.Flow is sub-critical
B.Flow is supercritical
C.Adequate downstream depth is available
D.Flow is sub-critical and adequate down streamdepth is available
E.Flow is supercritical and adequate downstream depth is available
In parallel pipe problems
A.The pressure gradient remains the same through all the pipes
B.The hydraulic gradient remains the same through all the pipes
C.The head loss is the same through each pipe
D.The head losses through each pipe are added to obtain the total head loss
E.None of the above
In laminar flow through a pipe, discharge varies
A.Linearly as the viscosity
B.Linearly as pipe diameter
C.Inversely s the viscosity
D.Linearly as the pressure drop
E.None of the above
The surface tension has the units
A.Newtons/m
B.Newtons/m2
C.Newtons/m2
D.Newtons
E.None of the above
