Theoretical power required (in watts) to drive a reciprocating pump is (where w = Specific weight of liquid to be pumped in N/m3, Q = Discharge of the pump in m3/s, Hs = Suction head in meters, and Hd = Delivery head in meters)

Hydraulics and Fluid Mechanics in ME
Theoretical power required (in watts) to drive a reciprocating pump is (where w = Specific weight of liquid to be pumped in N/m3, Q = Discharge of the pump in m3/s, Hs = Suction head in meters, and Hd = Delivery head in meters)

wQ (Hs + Hd)

wQHs

wQ (Hs - Hd)

wQHd

wQ (Hs + Hd)

wQHs

wQ (Hs - Hd)

wQHd

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Hydraulics and Fluid Mechanics in ME
A valve is suddenly closed in a water main in wl.ich the velocity is 1 m/sec and velocity of pressure wave is 981 m/ sec. The inertia head at the valve will be

100m

None of these

10m

1 m

100m

None of these

10m

1 m

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Hydraulics and Fluid Mechanics in ME
Bulk modulus of a fluid is the ratio of

Critical velocity to the viscosity of fluid

Increase in volume to the viscosity of fluid

Increase in pressure to the volumetric strain

Shear stress to shear strain

Critical velocity to the viscosity of fluid

Increase in volume to the viscosity of fluid

Increase in pressure to the volumetric strain

Shear stress to shear strain

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Hydraulics and Fluid Mechanics in ME
The value of the coefficient of compressibility for water at ordinary pressure and temperature in kg/cm is equal to

2700

10000

2100

21000

2700

10000

2100

21000

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Hydraulics and Fluid Mechanics in ME
Principle of similitude forms the basis of

comparing similarity between design and actual equipment

designing models so that the result can be converted to prototypes

hydraulic designs

comparing two identical equipments

comparing similarity between design and actual equipment

designing models so that the result can be converted to prototypes

hydraulic designs

comparing two identical equipments

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Hydraulics and Fluid Mechanics in ME
If a body floating in a liquid returns back to its original position, when given a small angular displacement, the body is said to be in

None of these

Unstable equilibrium

Stable equilibrium

Neutral equilibrium

None of these

Unstable equilibrium

Stable equilibrium

Neutral equilibrium

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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME Theoretical power required (in watts) to drive a reciprocating pump is (where w = Specific weight of liquid to be pumped in N/m3, Q = Discharge of the pump in m3/s, Hs = Suction head in meters, and Hd = Delivery head in meters)

Hydraulics and Fluid Mechanics in ME A valve is suddenly closed in a water main in wl.ich the velocity is 1 m/sec and velocity of pressure wave is 981 m/ sec. The inertia head at the valve will be

Hydraulics and Fluid Mechanics in ME Bulk modulus of a fluid is the ratio of

Hydraulics and Fluid Mechanics in ME The value of the coefficient of compressibility for water at ordinary pressure and temperature in kg/cm is equal to

Hydraulics and Fluid Mechanics in ME Principle of similitude forms the basis of

Hydraulics and Fluid Mechanics in ME If a body floating in a liquid returns back to its original position, when given a small angular displacement, the body is said to be in

Hydraulics and Fluid Mechanics in ME
Theoretical power required (in watts) to drive a reciprocating pump is (where w = Specific weight of liquid to be pumped in N/m3, Q = Discharge of the pump in m3/s, Hs = Suction head in meters, and Hd = Delivery head in meters)

Hydraulics and Fluid Mechanics in ME
A valve is suddenly closed in a water main in wl.ich the velocity is 1 m/sec and velocity of pressure wave is 981 m/ sec. The inertia head at the valve will be

Hydraulics and Fluid Mechanics in ME
Bulk modulus of a fluid is the ratio of

Hydraulics and Fluid Mechanics in ME
The value of the coefficient of compressibility for water at ordinary pressure and temperature in kg/cm is equal to

Hydraulics and Fluid Mechanics in ME
Principle of similitude forms the basis of

Hydraulics and Fluid Mechanics in ME
If a body floating in a liquid returns back to its original position, when given a small angular displacement, the body is said to be in