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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Gauge pressure at a point is equal to the absolute pressure ___ the atmospheric pressure.

Divide
Minus
Multiply
Plus

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Hydraulics and Fluid Mechanics in ME
Bulk modulus of a fluid __________ as the pressure increases.

None of these
Remain same
Decreases
Increases

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Hydraulics and Fluid Mechanics in ME
According to Bernoulli's equation

Z - p/w + v²/2g = constant
Z + p/w + v²/2g = constant
Z - p/w - v²/2g = constant
Z + p/w - v²/2g = constant

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Hydraulics and Fluid Mechanics in ME
In a free nappe,

The pressure below the nappe is negative
The pressure above the nappe is atmospheric
The pressure above the nappe is negative
The pressure below the nappe is atmospheric

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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?

Kaplan turbine
Francis turbine
None of these
Pelton wheel

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Hydraulics and Fluid Mechanics in ME
The loss of pressure head in case of laminar flow is proportional to

(Velocity)4
(Velocity)3
Velocity
(Velocity)2

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MORE MCQ ON Hydraulics and Fluid Mechanics in ME

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