The total pressure on a horizontally immersed surface is (where w = Specific weight of the liquid, A = Area of the immersed surface, and x = Depth of the centre of gravity of the immersed surface from the liquid surface)

Hydraulics and Fluid Mechanics in ME
The total pressure on a horizontally immersed surface is (where w = Specific weight of the liquid, A = Area of the immersed surface, and x = Depth of the centre of gravity of the immersed surface from the liquid surface)

wA/x

wAx

wx

wA

wA/x

wAx

wx

wA

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Hydraulics and Fluid Mechanics in ME
The specific speed (Ns) of a centrifugal pump is given by

(N√Q)/H

(N√Q)/H5/4

(N√Q)/H3/4

(N√Q)/H2/3

(N√Q)/H

(N√Q)/H5/4

(N√Q)/H3/4

(N√Q)/H2/3

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Hydraulics and Fluid Mechanics in ME
The normal stress in a fluid will be constant in all directions at a point only if

It has uniform viscosity

It has zero viscosity

It is incompressible

It is at rest

It has uniform viscosity

It has zero viscosity

It is incompressible

It is at rest

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Hydraulics and Fluid Mechanics in ME
A floating body is said to be in a state of stable equilibrium

only when its centre of gravity is below its centre of buoyancy

when the metacentre is above the centre of gravity

when its metacentric height is zero

when the metacentre is below the centre of gravity

only when its centre of gravity is below its centre of buoyancy

when the metacentre is above the centre of gravity

when its metacentric height is zero

when the metacentre is below the centre of gravity

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Hydraulics and Fluid Mechanics in ME
Indicator diagram of a reciprocating pump is a graph between

Flow vs. swept volume

Pressure vs. speed

Flow vs. speed

Pressure in cylinder vs. swept volume

Flow vs. swept volume

Pressure vs. speed

Flow vs. speed

Pressure in cylinder vs. swept volume

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Hydraulics and Fluid Mechanics in ME
Slip of a reciprocating pump is defined as the

Ratio of actual discharge to the theoretical discharge

Sum of actual discharge and the theoretical discharge

Difference of theoretical discharge and the actual discharge

Product of theoretical discharge and the actual discharge

Ratio of actual discharge to the theoretical discharge

Sum of actual discharge and the theoretical discharge

Difference of theoretical discharge and the actual discharge

Product of theoretical discharge and the actual discharge

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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME The total pressure on a horizontally immersed surface is (where w = Specific weight of the liquid, A = Area of the immersed surface, and x = Depth of the centre of gravity of the immersed surface from the liquid surface)

Hydraulics and Fluid Mechanics in ME The specific speed (Ns) of a centrifugal pump is given by

Hydraulics and Fluid Mechanics in ME The normal stress in a fluid will be constant in all directions at a point only if

Hydraulics and Fluid Mechanics in ME A floating body is said to be in a state of stable equilibrium

Hydraulics and Fluid Mechanics in ME Indicator diagram of a reciprocating pump is a graph between

Hydraulics and Fluid Mechanics in ME Slip of a reciprocating pump is defined as the

Hydraulics and Fluid Mechanics in ME
The total pressure on a horizontally immersed surface is (where w = Specific weight of the liquid, A = Area of the immersed surface, and x = Depth of the centre of gravity of the immersed surface from the liquid surface)

Hydraulics and Fluid Mechanics in ME
The specific speed (Ns) of a centrifugal pump is given by

Hydraulics and Fluid Mechanics in ME
The normal stress in a fluid will be constant in all directions at a point only if

Hydraulics and Fluid Mechanics in ME
A floating body is said to be in a state of stable equilibrium

Hydraulics and Fluid Mechanics in ME
Indicator diagram of a reciprocating pump is a graph between

Hydraulics and Fluid Mechanics in ME
Slip of a reciprocating pump is defined as the