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

wx

wA/x

wAx

wA

wx

wA/x

wAx

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Hydraulics and Fluid Mechanics in ME
Coefficient of discharge Cd is equal to (where Cc = Coefficient of contraction, Cv = Coefficient of velocity, and Cr = Coefficient of resistance)

Cc × Cr

Cc/Cr

Cc × Cv

Cv × Cr

Cc × Cr

Cc/Cr

Cc × Cv

Cv × Cr

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Hydraulics and Fluid Mechanics in ME
Differential manometer is used to measure

Pressure in pipes, channels etc.

Difference of pressure between two points

Very low pressure

Atmospheric pressure

Pressure in pipes, channels etc.

Difference of pressure between two points

Very low pressure

Atmospheric pressure

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Hydraulics and Fluid Mechanics in ME
The capillary rise at 20°C in a clean glass tube of 1 mm bore containing water is approximately

30 mm

20 mm

5 mm

10 mm

30 mm

20 mm

5 mm

10 mm

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Hydraulics and Fluid Mechanics in ME
A Pelton wheel working under a constant head and discharge, has maximum efficiency when the speed ratio is

0.36

0.46

0.56

0.26

0.36

0.46

0.56

0.26

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Hydraulics and Fluid Mechanics in ME
A water tank contains 1.3 m deep water. The pressure exerted by the water per metre length of the tank is

8.29 kN

9.28 kN

28.9 kN

2.89 kN

8.29 kN

9.28 kN

28.9 kN

2.89 kN

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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 Coefficient of discharge Cd is equal to (where Cc = Coefficient of contraction, Cv = Coefficient of velocity, and Cr = Coefficient of resistance)

Hydraulics and Fluid Mechanics in ME Differential manometer is used to measure

Hydraulics and Fluid Mechanics in ME The capillary rise at 20°C in a clean glass tube of 1 mm bore containing water is approximately

Hydraulics and Fluid Mechanics in ME A Pelton wheel working under a constant head and discharge, has maximum efficiency when the speed ratio is

Hydraulics and Fluid Mechanics in ME A water tank contains 1.3 m deep water. The pressure exerted by the water per metre length of the tank is

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
Coefficient of discharge Cd is equal to (where Cc = Coefficient of contraction, Cv = Coefficient of velocity, and Cr = Coefficient of resistance)

Hydraulics and Fluid Mechanics in ME
Differential manometer is used to measure

Hydraulics and Fluid Mechanics in ME
The capillary rise at 20°C in a clean glass tube of 1 mm bore containing water is approximately

Hydraulics and Fluid Mechanics in ME
A Pelton wheel working under a constant head and discharge, has maximum efficiency when the speed ratio is

Hydraulics and Fluid Mechanics in ME
A water tank contains 1.3 m deep water. The pressure exerted by the water per metre length of the tank is