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Hydraulics & Fluid Mechanics

Hydraulics & Fluid Mechanics
The flow which neglects changes in a transverse direction is known as

one dimensional flow
steady flow
uniform flow
turbulent flow

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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

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

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Hydraulics & Fluid Mechanics
The discharge over a broad crested weir is maximum when the depth of flow is (where H is the available head)

H/2
2 H/5
H/3
2 H/3

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Hydraulics & Fluid Mechanics
If 850 kg liquid occupies volume of one cubic meter, men 0.85 represents its

specific weight
specific gravity
specific density
specific mass

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Hydraulics & Fluid Mechanics
Uniform flow occurs when

the flow is streamline
size and cross section change uniformly along length
the flow is steady
size and shape of the cross section in a particular length remain constant

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Hydraulics & Fluid Mechanics
Two pipe systems are said to be equivalent when

length of pipe and discharge are same in two systems
head loss and discharge are same in two systems
length and diameter are same in two systems
friction factor and length are same in two systems

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