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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Bernoulli's equation is applied to

Pitot tube
Venturimeter
All of the listed here
Orifice meter

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Hydraulics and Fluid Mechanics in ME
The total pressure on an immersed surface inclined at an angle θ with the liquid surface is

wAx
wx
wAx/sinθ
wA

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Hydraulics and Fluid Mechanics in ME
In centrifugal pumps, maximum efficiency is obtained when the blades are

Radial
Bent backward
Straight
Bent forward

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Hydraulics and Fluid Mechanics in ME
Which of the following turbine is preferred for 0 to 25 m head of water?

Francis turbine
None of these
Kaplan turbine
Pelton wheel

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Hydraulics and Fluid Mechanics in ME
A square surface 3 m × 3 m lies in a vertical line in water pipe its upper edge at water surface. The hydrostatic force on square surface is

27,000 kg
18,000 kg
13,500 kg
9,000 kg

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Hydraulics and Fluid Mechanics in ME
The loss of head due to viscosity for laminar flow in pipes is (where d = Diameter of pipe, l = Length of pipe, v = Velocity of the liquid in the pipe, μ = Viscosity of the liquid, and w = Specific weight of the flowing liquid)

32μvl/wd²
8μvl/wd²
16μvl/wd²
4μvl/wd²

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