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Hydraulics and Fluid Mechanics in ME

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
variable
zero
constant

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Hydraulics and Fluid Mechanics in ME
The pressure in the air space above an oil (sp. gr. 0.8) surface in a tank is 0.1 kg/cm". The pressure at 2.5 m below the oil surface will be

3 metres of water column
3.5 metres of water column
4 m of water column
2 metres of water column

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Hydraulics and Fluid Mechanics in ME
Gradually varied flow is

steady non-uniform
steady uniform
non-steady non-uniform
non-steady uniform

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Hydraulics and Fluid Mechanics in ME
The resultant upward pressure of the fluid on an immersed body due to its tendency to uplift the submerged body is called

Metacentre
Buoyancy
Reaction
Up-thrust

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Hydraulics and Fluid Mechanics in ME
The critical depth for a channel is given by (where q = Unit discharge (discharge per unit width) through the channel)

(q²/g)1/3
(q³/g)1/4
(q/g)1/2
(q⁴/g)1/5

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Hydraulics and Fluid Mechanics in ME
Equation of continuity is based on the principle of conservation of

momentum
mass
None of these
energy

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