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 angle of contact in case of a liquid depends upon

both of die above

the nature of the liquid and the solid

any one of the above

the material which exists above the free surface of the liquid

both of die above

the nature of the liquid and the solid

any one of the above

the material which exists above the free surface of the liquid

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Hydraulics and Fluid Mechanics in ME
The total energy line lies over the centre line of the pipe by an amount equal to

Velocity head

Pressure head

Pressure head + velocity head

Pressure head - velocity head

Velocity head

Pressure head

Pressure head + velocity head

Pressure head - velocity head

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Hydraulics and Fluid Mechanics in ME
The depth of the center of pressure on a vertical rectangular gate 8 m wide and 6 m high, when the water surface coincides with the top of the gate, is

4.0 m

3.0 m

2.4 m

2.5 m

4.0 m

3.0 m

2.4 m

2.5 m

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Hydraulics and Fluid Mechanics in ME
When a piping system is made up primarily of friction head and very little of vertical lift, then pump characteristics should be

Horizontal

First rise and then fall

Nearly horizontal

Steep

Horizontal

First rise and then fall

Nearly horizontal

Steep

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Hydraulics and Fluid Mechanics in ME
The pressure intensity in kN/m2 (or kPa) at any point in a liquid is (where w = Specific weight of liquid, and h = Depth of liquid from the surface)

w

wh

w/h

h/w

w

wh

w/h

h/w

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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 angle of contact in case of a liquid depends upon

Hydraulics and Fluid Mechanics in ME The total energy line lies over the centre line of the pipe by an amount equal to

Hydraulics and Fluid Mechanics in ME The depth of the center of pressure on a vertical rectangular gate 8 m wide and 6 m high, when the water surface coincides with the top of the gate, is

Hydraulics and Fluid Mechanics in ME When a piping system is made up primarily of friction head and very little of vertical lift, then pump characteristics should be

Hydraulics and Fluid Mechanics in ME The pressure intensity in kN/m2 (or kPa) at any point in a liquid is (where w = Specific weight of liquid, and h = Depth of liquid from the 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)

Hydraulics and Fluid Mechanics in ME
The angle of contact in case of a liquid depends upon

Hydraulics and Fluid Mechanics in ME
The total energy line lies over the centre line of the pipe by an amount equal to

Hydraulics and Fluid Mechanics in ME
The depth of the center of pressure on a vertical rectangular gate 8 m wide and 6 m high, when the water surface coincides with the top of the gate, is

Hydraulics and Fluid Mechanics in ME
When a piping system is made up primarily of friction head and very little of vertical lift, then pump characteristics should be

Hydraulics and Fluid Mechanics in ME
The pressure intensity in kN/m2 (or kPa) at any point in a liquid is (where w = Specific weight of liquid, and h = Depth of liquid from the surface)