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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Bulk modulus of a fluid __________ as the pressure increases.

None of these
Increases
Decreases
Remain same

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Hydraulics and Fluid Mechanics in ME
Ratio of inertia force to surface Jension is known as

Reynold’s number
Froude number
Mach number
Weber’s number

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Hydraulics and Fluid Mechanics in ME
According to Bernoulli's equation

Z + p/w - v²/2g = constant
Z + p/w + v²/2g = constant
Z - p/w + v²/2g = constant
Z - p/w - v²/2g = constant

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Hydraulics and Fluid Mechanics in ME
The centre of pressure for a vertically immersed surface lies at a distance equal to __________ the centre of gravity.

IG / Ax̅ above
Ax̅ / IG below
Ax̅ / IG above
IG / Ax̅ below

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Hydraulics and Fluid Mechanics in ME
The length of the divergent cone in a Venturimeter is __________ that of the convergent cone.

Three to four times
Five to six times
Double
Equal to

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Hydraulics and Fluid Mechanics in ME
A Pelton wheel develops 1750 kW under a head of 100 meters while running at 200 r.p.m. and discharging 2500 liters of water per second. The unit discharge of wheel is

0.25 m3/s
2.5 m3/s
0.5 m3/s
1.5 m3/s

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