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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Falling drops of water become spheres due to the property of

cohesion
surface tension
adhesion
viscosity

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Hydraulics and Fluid Mechanics in ME
The capillary rise at 20°C in a clean glass tube of 1 mm bore containing water is approximately

20 mm
30 mm
5 mm
10 mm

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Hydraulics and Fluid Mechanics in ME
The power transmitted through a pipe is (where w = Specific weight in N/m3, and Q = Discharge in m3/s)

w × Q (H + hf)
w × Q (H - hf)
w × Q × H
w × Q × hf

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Hydraulics and Fluid Mechanics in ME
Which of the following meters is not associated with viscosity

Orsat
Say bolt
Red wood
Engler

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Hydraulics and Fluid Mechanics in ME
The maximum discharge over a broad crested weir is

1.71 Cd × L × H3/2
1.71 Cd × L × H1/2
0.384 Cd × L × H3/2
0.384 Cd × L × H1/2

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Hydraulics and Fluid Mechanics in ME
For 450 m head of water, _________ shall be used.

Francis turbine
Pelton wheel
None of these
Kaplan turbine

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