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Hydraulics and Fluid Mechanics in ME

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

Nearly horizontal
Horizontal
Steep
First rise and then fall

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Hydraulics and Fluid Mechanics in ME
A fluid of kinematic viscosity 0.4 cm²/sec flows through a 8 cm diameter pipe. The maximum velocity for laminar flow will be

less than 1 m/sec
1 m/sec
2 m/sec
1.5 m/sec

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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
All of these
Elastic properties of the pipe material
Elastic properties of the liquid flowing through the pipe

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Hydraulics and Fluid Mechanics in ME
In a centrifugal pump, the liquid enters the pump

At the canter
From sides
At the top
At the bottom

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Hydraulics and Fluid Mechanics in ME
When the flow in an open channel is gradually varied, the flow is said to be

Steady non-uniform flow
Unsteady non-uniform flow
Unsteady uniform flow
Steady uniform flow

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Hydraulics and Fluid Mechanics in ME
The buoyancy depends on

viscosity of the liquid
pressure of the liquid displaced
depth of immersion
mass of liquid displaced

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