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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The width of the bucket for a Pelton wheel is generally ________ the diameter of jet.

Double
Three times
Five times
Four times

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Hydraulics and Fluid Mechanics in ME
According to Francis formula, the discharge over a rectangular weir is (where n = Number of end contractions)

(2/3) × Cd (L - nH) × √(2g) × H²
(2/3) × Cd (L - 0.1nH) × √(2g) × H3/2
(2/3) × Cd (L - nH) × √(2g) × H5/2
(2/3) × Cd (L - nH) × √(2gh)

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Hydraulics and Fluid Mechanics in ME
In order to measure the flow with a Venturimeter, it is installed in

Inclined line with flow upwards
Horizontal line
Any direction and in any location
Inclined line with flow downwards

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Hydraulics and Fluid Mechanics in ME
Pressure intensifier increases the pressure in proportion to

Inverse ratio of diameters
Ratio of diameters
Square of inverse ratio of diameters
Square of ratio of diameters

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Hydraulics and Fluid Mechanics in ME
The ratio of quantity of liquid discharged per second from the pump to the quantity of liquid passing per second through the impeller is known as

Manometric efficiency
Overall efficiency
Volumetric efficiency
Mechanical efficiency

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

Non-Newtonian fluid
Newtonian fluid
Ideal fluid
Real fluid

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