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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
For very great pressures, viscosity of moss gases and liquids

remains same
shows erratic behaviour
decreases
increases

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Hydraulics and Fluid Mechanics in ME
When the Venturimeter is inclined, then for a given flow it will show __________ reading.

More
Less
None of these
Same

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Hydraulics and Fluid Mechanics in ME
A fluid having no viscosity is known as

Ideal fluid
Non-Newtonian fluid
Real fluid
Newtonian fluid

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Hydraulics and Fluid Mechanics in ME
The flow ratio in case of Francis turbine varies from

0.6 to 0.9
0.15 to 0.3
1 to 1.5
0.4 to 0.5

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Hydraulics and Fluid Mechanics in ME
The force exerted by a jet of water (in a direction normal to flow) impinging on a fixed plate inclined at an angle θ with the jet is

(waV/g) × sin θ
(waV²/2g) × sin 2θ
(waV²/g) × sin θ
(waV/2g) × sin θ

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Hydraulics and Fluid Mechanics in ME
Medium specific speed of turbine implies it is

Francis turbine
Any one of the above
Propeller turbine
Impulse turbine

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