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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Bernoulli equation deals with the law of conservation of

work
energy
mass
momentum

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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
Center of pressure on an inclined plane is

Above the Centroid
At the Centroid
Below the Centroid
At metacentre

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Hydraulics and Fluid Mechanics in ME
For starting an axial flow pump, its delivery valve should be

Closed
Could be either open or closed
Open
Depends on starting condition and flow desired

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Hydraulics and Fluid Mechanics in ME
Which of the following pump is generally used to pump highly viscous fluid?

Centrifugal pump
Screw pump
Air lift pump
Reciprocating pump

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Hydraulics and Fluid Mechanics in ME
Specific speed for reaction turbines ranges from

250 to 300
80 to 200
0 to 4.5
10 to 100

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MORE MCQ ON Hydraulics and Fluid Mechanics in ME

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