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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Bernoulli's equation is applied to

Pitot tube
All of the listed here
Venturimeter
Orifice meter

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Hydraulics and Fluid Mechanics in ME
The highest efficiency is obtained with a channel of __________ section.

Circular
Trapezoidal
Square
Rectangular

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Hydraulics and Fluid Mechanics in ME
Water is a __________ fluid.

Real
Newtonian
Ideal
Non-Newtonian

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Hydraulics and Fluid Mechanics in ME
The discharge through a small rectangular orifice is given by (where Cd = Coefficient of discharge for the orifice, a = Cross-sectional area of the orifice, h = Height of the liquid above the centre of the orifice)

Q = Cd × a × 2gh
Q = (Cd × a)/√(2gh)
Q = (2/3). Cd × a × h
Q = (3Cd × a)/√(2h)

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Hydraulics and Fluid Mechanics in ME
Indicator diagram of a reciprocating pump is a graph between

Flow vs. speed
Pressure vs. speed
Flow vs. swept volume
Pressure in cylinder vs. swept volume

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Hydraulics and Fluid Mechanics in ME
The dynamic viscosity of gases __________ with rise in temperature.

Decreases
Remain unaffected
None of these
Increases

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