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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The value of the coefficient of compressibility for water at ordinary pressure and temperature in kg/cm is equal to

21000
2100
10000
2700

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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

0.884
0.848
0.488
0.392

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Hydraulics and Fluid Mechanics in ME
The Metacentric heights of two floating bodies A and B are 1 m and 1.5 m respectively. Select the correct statement.

The bodies A and B are unstable
The body A is more stable than body B
The bodies A and B have equal stability
The body B is more stable than body A

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Hydraulics and Fluid Mechanics in ME
A structure used to dam up a stream or river over which the water flows is called

Orifice
Dam
Weir
Notch

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Hydraulics and Fluid Mechanics in ME
The hydraulic mean depth for a circular pipe of diameter (d) is

d
d/2
d/4
d/6

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Hydraulics and Fluid Mechanics in ME
Reynold's number is the ratio of inertia force to

Pressure force
Gravity force
Viscous force
Elastic force

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