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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Bernoulli's equation is applied to

Orifice meter
All of the listed here
Pitot tube
Venturimeter

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Hydraulics and Fluid Mechanics in ME
In a reciprocating pump, air vessels are used to

Smoothen the flow
Increase delivery head
Reduce acceleration head
Reduce suction head

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Hydraulics and Fluid Mechanics in ME
A weir, generally, used as a spillway of a dam is

Broad crested weir
Narrow crested weir
Submerged weir
Ogee weir

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Hydraulics and Fluid Mechanics in ME
The discharge through a small rectangular orifice is given by (where Cd = Coefficient of discharge for the orifice, a = Cross-sectional area of the orifice, h = Height of the liquid above the centre of the orifice)

Q = (Cd × a)/√(2gh)
Q = (3Cd × a)/√(2h)
Q = (2/3). Cd × a × h
Q = Cd × a × 2gh

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Hydraulics and Fluid Mechanics in ME
The Francis formula for the discharge over Cipoletti weir is

1.84 LH5/2
1.84 LH
1.84 LH1/2
1.84 LH3/2

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Hydraulics and Fluid Mechanics in ME
The siphon will work satisfactorily, if the minimum pressure in the pipe is __________ vapour pressure of liquid.

Less than
None of these
Equal to
More than

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