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Hydraulics and Fluid Mechanics in ME

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.

Directly proportional
Equal
Inversely proportional
None of these

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Hydraulics and Fluid Mechanics in ME
The total pressure force on a plane area is equal to the area multiplied by the intensity of pressure at the Centroid, if

The area is inclined
The area is vertical
The area is horizontal
All of these

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

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

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Hydraulics and Fluid Mechanics in ME
A hydraulic accumulator normally consists of

Two coaxial rams and two cylinders
A cylinder and a ram
A cylinder, a piston, storage tank and control valve
Two cylinders, two rams and a storage device

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Hydraulics and Fluid Mechanics in ME
The velocity through a channel of circular section will be maximum when the depth of water is __________ the diameter of the circular channel.

0.67 times
0.95 times
0.34 times
0.81 times

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Hydraulics and Fluid Mechanics in ME
In a footstep bearing, if the speed of the shaft is doubled, then the torque required to overcome the viscous resistance will be

Four times
Eight times
Double
Sixteen times

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