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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Coefficient of discharge for a totally submerged orifice as compared to that for an orifice discharging free is

equal
nearly half
slightly less
slightly more

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Hydraulics and Fluid Mechanics in ME
The discharge in an open channel corresponding to critical depth is

Minimum
Maximum
Zero
None of these

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Hydraulics and Fluid Mechanics in ME
A fluid of kinematic viscosity 0.4 cm²/sec flows through a 8 cm diameter pipe. The maximum velocity for laminar flow will be

2 m/sec
less than 1 m/sec
1 m/sec
1.5 m/sec

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Hydraulics and Fluid Mechanics in ME
Center of pressure compared to e.g. is

Above or below depending on area of body
At same point
Above it
Below it

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Hydraulics and Fluid Mechanics in ME
The hydraulic mean depth for a circular pipe of diameter (d) is

d/6
d/2
d/4
d

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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

Reaction
Metacentre
Up-thrust
Buoyancy

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MORE MCQ ON Hydraulics and Fluid Mechanics in ME

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