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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
When the water level on the downstream side of a weir is above the top surface of a weir, the weir is known as

Submerged weir
Ogee weir
Narrow-crested weir
Broad-crested weir

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Hydraulics and Fluid Mechanics in ME
The depth of center of pressure of an immersed surface, inclined at an angle 'θ' with the liquid surface lies at a distance equal to __________ the center of gravity.

IG sin²θ/Ax̅ below
IG sinθ/Ax̅ above
IG sin²θ/Ax̅ above
IG sinθ/Ax̅ below

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Hydraulics and Fluid Mechanics in ME
Pressure intensifier increases the pressure in proportion to

Inverse ratio of diameters
Ratio of diameters
Square of inverse ratio of diameters
Square of ratio of diameters

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Hydraulics and Fluid Mechanics in ME
An open tank contains 1 m deep water with 50 cm depth of oil of specific gravity 0.8 above it. The intensity of pressure at the bottom of tank will be

10 kN/m2
12 kN/m2
4 kN/m2
14 kN/m2

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Hydraulics and Fluid Mechanics in ME
A vessel of 4 m3 contains oil which weighs 30 kN. The specific weight of the oil is

10 kN/m3
7.5 kN/m3
6 kN/m3
4.5 kN/m3

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Hydraulics and Fluid Mechanics in ME
In the case of steady flow of a fluid, the acceleration of any fluid particle is

zero under limiting conditions
constant
zero
variable

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