Category: Fluid Mechanics and Hydraulic Machines Mcqs

A.Associated with surge
B.Associated with water hammer
C.Associated with hydraulic jump
D.Associated with steep gradient
E.Associated with tranquil flow

A.490.5
B.545.5
C.981
D.1050
E.1800

A.Viscous forces
B.Intertial forces
C.Gravity forces
D.Surface tension forces
E.Elastic energy forces

A.Absolute value of viscosity is determined
B.Part of the head of fluid is utilised in overcoming friction
C.The fluid discharges through orifice with negligible velocity
D.The fluid should rapidly flow out of the orifice
E.Comparison of viscosity is done

A.50 kg/ cm2
B.100 kg/ cm2
C.150 kg/ cm2
D.200 kg/ cm2
E.Zero

A.Water must be admitted over the whole circumference
B.It is not possible to regulate the flow without loss
C.Wheel must run full and kept entirely submerged in water below the tailrace
D.The pressure in the driving fluid as it moves over the vanes is atmospheric
E.None of the above

A.1 m
B.1.5 m
C.4.5 to 6 m
D.10 to 15 m
E.20 to 25 m.

A.Of higher density due to which the height of barmeter will be small
B.It has practically zero vapour pressure
C.It shines and can be easily read
D.It does not stick to the tube walls
E.All above

A.0.1 kN/m2
B.1.0 kN/m2
C.10 kN/m2
D.100 kN/m2
E.1000 kN/m2

A.600
B.1000
C.1500
D.1900
E.None of the above