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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The ratio of the inertia force to the viscous force is called

Froude's number
Weber's number
Euler's number
Reynold's number

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Hydraulics and Fluid Mechanics in ME
Head developed by a centrifugal pump is

Proportional to speed of impeller
Proportional to diameter and speed of impeller
None of these
Proportional to diameter of impeller

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Hydraulics and Fluid Mechanics in ME
An open tank contains 1 m deep water with 50 cm depth of oil of specific gravity 0.8 above it. The intensity of pressure at the bottom of tank will be

12 kN/m2
10 kN/m2
14 kN/m2
4 kN/m2

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Hydraulics and Fluid Mechanics in ME
The surface tension of mercury at normal temperature is __________ that of water.

Lower than
Higher than
Same as
None of these

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Hydraulics and Fluid Mechanics in ME
The coefficient of viscosity may be determined by

Rotating cylinder method
All of these
Capillary tube method
Orifice type viscometer

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Hydraulics and Fluid Mechanics in ME
The intensity of pressure at any point, in a liquid, is __________ to the depth of liquid from the surface.

Inversely proportional
None of these
Directly proportional
Equal

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