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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The ratio of the inertia force to the viscous force is called

Reynold's number
Euler's number
Froude's number
Weber's number

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Hydraulics and Fluid Mechanics in ME
In impulse Turbine, energy available at the inlet is in the form of

Kinetic energy
None of these
Potential Energy
Strain Energy

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Hydraulics and Fluid Mechanics in ME
The efficiency of a hydraulic press is given by (where W = Weight lifted by ram, P = Force applied on plunger, A = Area of ram, and a = Area of plunger)

(W/p) × (a/A)
(p/W) × (a/A)
(W/p) × (A/a)
(p/W) × (A/a)

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Hydraulics and Fluid Mechanics in ME
The volumetric change of the fluid caused by a resistance is known as

Volumetric strain
Compressibility
Volumetric index
Adhesion

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

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Hydraulics and Fluid Mechanics in ME
An average value of coefficient of velocity is

0.84
0.97
0.62
0.76

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MORE MCQ ON Hydraulics and Fluid Mechanics in ME

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