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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The discharge through a siphon spillway is

Cd × a × √(2g) × H2
Cd × a × √(2g) × H5/2
Cd × a × √(2gH)
Cd × a × √(2g) × H3/2

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Hydraulics and Fluid Mechanics in ME
Which of the following is used to measure the discharge ?

venturimeter
pitot tube
current meter
hotwire anemometer

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Hydraulics and Fluid Mechanics in ME
An ideal flow of any fluid must satisfy

Newton’s law of viscosity
Pascal law
boundary layer theory
continuity equation

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Hydraulics and Fluid Mechanics in ME
The vapour pressure over the concave surface is

equal to the vapour pressure over the plane surface
zero
less man the vapour pressure over the plane surface
greater than the vapour pressure over the plane surface

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Hydraulics and Fluid Mechanics in ME
The value of coefficient of discharge is __________ the value of coefficient of velocity.

Same as
More than
Less than
None of these

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Hydraulics and Fluid Mechanics in ME
The value of mass density in kg-sec-V-m⁴ for water at 0°C is

1000
100.9
1
101.9

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