When the coefficient of discharge (Cd) is 0.623, then the general equation for discharge over a rectangular weir is

Hydraulics and Fluid Mechanics in ME
When the coefficient of discharge (Cd) is 0.623, then the general equation for discharge over a rectangular weir is

1.84(L - 0.1nH)H5/2

1.84(L - nH)H2

1.84(L - 0.1nH)H3/2

1.84(L - nH)H3

1.84(L - 0.1nH)H5/2

1.84(L - nH)H2

1.84(L - 0.1nH)H3/2

1.84(L - nH)H3

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Hydraulics and Fluid Mechanics in ME
The centre of gravity of the volume of the liquid displaced is called

Metacentre

Centre of pressure

None of the listed here

Centre of buoyancy

Metacentre

Centre of pressure

None of the listed here

Centre of buoyancy

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Hydraulics and Fluid Mechanics in ME
Manometric head, in case of a centrifugal pump, is equal to

Suction lift + Loss of head in suction pipe due to friction + Delivery lift + Loss of head in delivery pipe due to friction + Velocity head in the delivery pipe

Energy per kN at outlet of impeller Energy per kN at inlet of impeller

Work-done per kN of water Losses within the impeller

All of these

Suction lift + Loss of head in suction pipe due to friction + Delivery lift + Loss of head in delivery pipe due to friction + Velocity head in the delivery pipe

Energy per kN at outlet of impeller Energy per kN at inlet of impeller

Work-done per kN of water Losses within the impeller

All of these

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Hydraulics and Fluid Mechanics in ME
A nozzle is generally made of

Divergent shape

Cylindrical shape

Convergent-divergent shape

Convergent shape

Divergent shape

Cylindrical shape

Convergent-divergent shape

Convergent shape

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Hydraulics and Fluid Mechanics in ME
Dynamic similarity is said to exist between the model and the prototype, if both of them

Are identical in shape, but differ only in size

Are equal in size and shape

None of these

Have identical velocities

Are identical in shape, but differ only in size

Are equal in size and shape

None of these

Have identical velocities

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Hydraulics and Fluid Mechanics in ME
If the atmospheric pressure on the surface of an oil tank (sp. gr. 0.8) is 0.2 kg/cm”, the pressure at a depth of 50 m below the oil surface will be

2 meters of water column

6 meters of water Column

3 meters of water column

5 meters of water column

2 meters of water column

6 meters of water Column

3 meters of water column

5 meters of water column

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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME When the coefficient of discharge (Cd) is 0.623, then the general equation for discharge over a rectangular weir is

Hydraulics and Fluid Mechanics in ME The centre of gravity of the volume of the liquid displaced is called

Hydraulics and Fluid Mechanics in ME Manometric head, in case of a centrifugal pump, is equal to

Hydraulics and Fluid Mechanics in ME A nozzle is generally made of

Hydraulics and Fluid Mechanics in ME Dynamic similarity is said to exist between the model and the prototype, if both of them

Hydraulics and Fluid Mechanics in ME If the atmospheric pressure on the surface of an oil tank (sp. gr. 0.8) is 0.2 kg/cm”, the pressure at a depth of 50 m below the oil surface will be

Hydraulics and Fluid Mechanics in ME
When the coefficient of discharge (Cd) is 0.623, then the general equation for discharge over a rectangular weir is

Hydraulics and Fluid Mechanics in ME
The centre of gravity of the volume of the liquid displaced is called

Hydraulics and Fluid Mechanics in ME
Manometric head, in case of a centrifugal pump, is equal to

Hydraulics and Fluid Mechanics in ME
A nozzle is generally made of

Hydraulics and Fluid Mechanics in ME
Dynamic similarity is said to exist between the model and the prototype, if both of them

Hydraulics and Fluid Mechanics in ME
If the atmospheric pressure on the surface of an oil tank (sp. gr. 0.8) is 0.2 kg/cm”, the pressure at a depth of 50 m below the oil surface will be