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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
When the Venturimeter is inclined, then for a given flow it will show __________ reading.

Less
Same
None of these
More

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Hydraulics and Fluid Mechanics in ME
The velocity distribution for laminar flow through a circular tube

None of these
is constant over the cross-section
varies parabolically with maximum at the centre
varies linearly from zero at walls to maximum at centre

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Hydraulics and Fluid Mechanics in ME
The ratio of the inertia force to the elastic force is called

Reynold's number
Weber's number
Mach number
Froude's number

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Hydraulics and Fluid Mechanics in ME
The value of mass density in kgsecVm4 for water at 0°C is

100
1000
101.9
1

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Hydraulics and Fluid Mechanics in ME
The error in discharge (dQ/Q) to the error in measurement of head (dH/H) over a rectangular notch is given by

dQ/Q = (dH/H)
dQ/Q = (3/2) × (dH/H)
dQ/Q = (3/4) × (dH/H)
dQ/Q = (1/2) × (dH/H)

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Hydraulics and Fluid Mechanics in ME
The resultant upward pressure of the fluid on an immersed body is called

upthrust
center of pressure
all the above are correct
buoyancy

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