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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Rain drops are spherical because of

viscosity
atmospheric pressure
surface tension forces
air resistance

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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

5 mm
20 mm
10 mm
30 mm

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Hydraulics and Fluid Mechanics in ME
The hydraulic mean depth or the hydraulic radius is the ratio of

None of these
Velocity of flow and area of flow
Wetted perimeter and diameter of pipe
Area of flow and wetted perimeter

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Hydraulics and Fluid Mechanics in ME
The ratio of the inertia force to the __________ is called Euler's number.

Pressure force
Elastic force
Viscous force
Surface tension force

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Hydraulics and Fluid Mechanics in ME
Coefficient of discharge for a totally submerged orifice as compared to that for an orifice discharging free is

equal
nearly half
slightly less
slightly more

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Hydraulics and Fluid Mechanics in ME
An impulse turbine is used for

Medium head of water
High discharge
Low head of water
High head of water

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MORE MCQ ON Hydraulics and Fluid Mechanics in ME

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