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Hydraulics & Fluid Mechanics

Hydraulics & Fluid Mechanics
Operation of McLeod gauge used for low pressure measurement is based on the principle of

Charle’s law
Boyle’s law
gas law
Pascal’s law

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Hydraulics & Fluid Mechanics
Which of the following is demensionless

specific speed
specific gravity
specific weight
specific volume

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Hydraulics & Fluid Mechanics
A fluid is said to be ideal, if it is

inviscous
inviscous and incompressible
incompressible
inviscous and compressible

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Hydraulics & Fluid Mechanics
According to the principle of buoyancy a body totally or partially immersed in a fluid will be lifted up by a force equal to

more than the weight of the body
weight of the fluid displaced by the body
the weight of the body
less than the weight of the body

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Hydraulics & Fluid Mechanics
The horse power transmitted through a pipe is maximum when the ratio of loss of head due to friction and total head supplied is

1/3
1/4
1/2
2/3

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Hydraulics & Fluid Mechanics
To avoid vaporisation in the pipe line, the pipe line over the ridge is laid such that it is not more than

6.4 m above the hydraulic gradient
10.0 m above the hydraulic gradient
5.0 above the hydraulic gradient
2.4 m above the hydraulic gradient

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