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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
When time of closure tc = L/v0 (where L is length of pipe and v0 is speed of pressure wave), the portion of pipe length subjected to maximum head is

L/2
L/3
L
L/4

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

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

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Hydraulics and Fluid Mechanics in ME
The total pressure on the top of a closed cylindrical vessel of radius (r) completely filled up with liquid of specific weight (w) and rotating at (ω) rad/s about its vertical axis, is

π w ω² r⁴/4g
π w ω² r²/4g
π w ω² r²/2g
π w ω² r³/4g

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Hydraulics and Fluid Mechanics in ME
In a broad-crested weir, the discharge is maximum if the head of water on the downstream side of weir is __________ the head of water on the upstream side of weir.

One-third
Equal to
Two-third
Three-fourth

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Hydraulics and Fluid Mechanics in ME
The coefficient of discharge in case of internal mouthpiece is __________ that of external mouthpiece.

Less than
Equal to
More than
None of these

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Hydraulics and Fluid Mechanics in ME
The specific weight of water is 1000 kg/m3

At normal pressure of 760 mm
At mean sea level
At 4°C temperature
All of the listed here

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MORE MCQ ON Hydraulics and Fluid Mechanics in ME

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