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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Which of the following instruments is used to measure flow on the application of Bernoulli’s theorem

pitot tube
Venturimeter
Orifice plate
All of these

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Hydraulics and Fluid Mechanics in ME
The capillary rise at 20°C in a clean glass tube of 1 mm bore containing water is ap-proximately

10 mm
5 mm
20 mm
30 mm

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Hydraulics and Fluid Mechanics in ME
The discharge through a siphon spillway is

Cd × a × √(2g) × H2
Cd × a × √(2g) × H5/2
Cd × a × √(2g) × H3/2
Cd × a × √(2gH)

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Hydraulics and Fluid Mechanics in ME
General energy equation holds for

steady flow
non-uniform flow
laminar flow
turbulent flow

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Hydraulics and Fluid Mechanics in ME
The unit of kinematic viscosity in S. I. units is

N-m
m2/s
N-m/s
N-s/m2

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Hydraulics and Fluid Mechanics in ME
The major loss of energy in long pipes is due to

sudden contraction
gradual contraction or enlargement
friction
sudden enlargement

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