If a pump is handling water and is discharging a certain flow Q at a constant total dynamic head requiring a definite B.H.P., the same pump when handling a liquid of specific gravity 0.75 and viscosity nearly same as of water would discharge

Hydraulics and Fluid Mechanics in ME
If a pump is handling water and is discharging a certain flow Q at a constant total dynamic head requiring a definite B.H.P., the same pump when handling a liquid of specific gravity 0.75 and viscosity nearly same as of water would discharge

0.75 Q

Q/0.75

Same quantity of liquid

1.5 Q

0.75 Q

Q/0.75

Same quantity of liquid

1.5 Q

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Hydraulics and Fluid Mechanics in ME
The most economical section of a rectangular channel is one which has hydraulic mean depth or hydraulic radius equal to

Twice the breadth

Twice the depth

Half the breadth

Half the depth

Twice the breadth

Twice the depth

Half the breadth

Half the depth

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Hydraulics and Fluid Mechanics in ME
The distance y from pipe boundary, at which the point velocity is equal to average velocity for turbulent flow, is (where R is radius of pipe)

0.223 R

0.577 R

0.707 R

0.423 R

0.223 R

0.577 R

0.707 R

0.423 R

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Hydraulics and Fluid Mechanics in ME
The magnitude of water hammer depends upon the

Speed at which the valve is closed

Elastic properties of the pipe material

All of these

Elastic properties of the liquid flowing through the pipe

Speed at which the valve is closed

Elastic properties of the pipe material

All of these

Elastic properties of the liquid flowing through the pipe

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Hydraulics and Fluid Mechanics in ME
Barometer is used to measure

Atmospheric pressure

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

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Hydraulics and Fluid Mechanics in ME
When a body is placed over a liquid, it will float if

Gravitational force is more than the up-thrust of the liquid

Gravitational force is equal to the up-thrust of the liquid

None of these

Gravitational force is less than the up-thrust of the liquid

Gravitational force is more than the up-thrust of the liquid

Gravitational force is equal to the up-thrust of the liquid

None of these

Gravitational force is less than the up-thrust of the liquid

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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME If a pump is handling water and is discharging a certain flow Q at a constant total dynamic head requiring a definite B.H.P., the same pump when handling a liquid of specific gravity 0.75 and viscosity nearly same as of water would discharge

Hydraulics and Fluid Mechanics in ME The most economical section of a rectangular channel is one which has hydraulic mean depth or hydraulic radius equal to

Hydraulics and Fluid Mechanics in ME The distance y from pipe boundary, at which the point velocity is equal to average velocity for turbulent flow, is (where R is radius of pipe)

Hydraulics and Fluid Mechanics in ME The magnitude of water hammer depends upon the

Hydraulics and Fluid Mechanics in ME Barometer is used to measure

Hydraulics and Fluid Mechanics in ME When a body is placed over a liquid, it will float if

Hydraulics and Fluid Mechanics in ME
If a pump is handling water and is discharging a certain flow Q at a constant total dynamic head requiring a definite B.H.P., the same pump when handling a liquid of specific gravity 0.75 and viscosity nearly same as of water would discharge

Hydraulics and Fluid Mechanics in ME
The most economical section of a rectangular channel is one which has hydraulic mean depth or hydraulic radius equal to

Hydraulics and Fluid Mechanics in ME
The distance y from pipe boundary, at which the point velocity is equal to average velocity for turbulent flow, is (where R is radius of pipe)

Hydraulics and Fluid Mechanics in ME
The magnitude of water hammer depends upon the

Hydraulics and Fluid Mechanics in ME
Barometer is used to measure

Hydraulics and Fluid Mechanics in ME
When a body is placed over a liquid, it will float if