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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The viscosity of water at 20°C is

One poise
One stoke
One centistoke
One centipoise

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Hydraulics and Fluid Mechanics in ME
If the atmospheric pressure on the surface of an oil tank (sp. gr. 0.8) is 0.2 kg/cm”, the pressure at a depth of 50 m below the oil surface will be

2 meters of water column
5 meters of water column
3 meters of water column
6 meters of water Column

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Hydraulics and Fluid Mechanics in ME
In a Kaplan turbine runner, the numbers of blades are generally between

4 to 8
2 to 4
8 to 16
16 to 24

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

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

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Hydraulics and Fluid Mechanics in ME
The velocity distribution for laminar flow through a circular tube

is constant over the cross-section
None of these
varies parabolically with maximum at the centre
varies linearly from zero at walls to maximum at centre

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Hydraulics and Fluid Mechanics in ME
A piece weighing 3 kg in air was found to weigh 2.5 kg when submerged in water. Its specific gravity is

1
6
7
5

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