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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
In a centrifugal pump, the regulating valve is provided on the

Casing
Impeller
Delivery pipe
Suction pipe

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

difference of pressure between two points
pressure in pipes, channels etc
very low pressure
atmospheric pressure

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Hydraulics and Fluid Mechanics in ME
The theoretical velocity of jet at vena contracta is (where H = Head of water at vena contracta)

H × √(2g)
2g × √H
√(2gh)
2gH

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Hydraulics and Fluid Mechanics in ME
Stoke is the unit of

Kinematic viscosity in C. G. S. units
Dynamic viscosity in M. K. S. units
Kinematic viscosity in M. K. S. units
Dynamic viscosity in S. I. units

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Hydraulics and Fluid Mechanics in ME
A hydraulic press has a ram of 15 cm diameter and plunger of 1.5 cm. It is required to lift a weight of 1 tonne. The force required on plunger is equal tc

1000 kg
10 kg
1 kg
100 kg

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Hydraulics and Fluid Mechanics in ME
The property of a fluid which enables it to resist tensile stress is known as

compressibility
surface tension
cohesion
adhesion

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