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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
One horsepower is equal to

550 watts
102 watts
735 watts
75 watts

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Hydraulics and Fluid Mechanics in ME
In a broad-crested weir, the discharge is maximum if the head of water on the downstream side of weir is __________ the head of water on the upstream side of weir.

Three-fourth
Equal to
Two-third
One-third

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Hydraulics and Fluid Mechanics in ME
The dynamic viscosity of the liquid __________ with rise in temperature.

Remain unaffected
None of these
Increases
Decreases

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Hydraulics and Fluid Mechanics in ME
By fitting an air vessel to the reciprocating pump, there is always a saving of work done and subsequently saving of power. The saving in case of a double acting reciprocating pump is

0.392
0.488
0.848
0.884

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Hydraulics and Fluid Mechanics in ME
In a depressed nappe

The pressure above the nappe is negative
The pressure below the nappe is atmospheric
The pressure below the nappe is negative
The pressure above the nappe is atmospheric

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Hydraulics and Fluid Mechanics in ME
Which of the following manometer has highest sensitivity

inclined U-tube
U-tube with mercury
U-tube with water
micro-manometer with water

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