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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Total pressure on a lmxlm gate immersed vertically at a depth of 2 m below the free water surface will be

2000 kg
4000 kg
1000 kg
8000 kg

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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 triangular notch is given by

dQ/Q = 3/2 × (dH/H)
dQ/Q = 3 × (dH/H)
dQ/Q = 5/2 × (dH/H)
dQ/Q = 2 × (dH/H)

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Hydraulics and Fluid Mechanics in ME
The specific weight of water in S.I. units is taken as

9.81 × 10-6 N/mm3
9.81 kN/m3
Any one of these
9.81 × 103 N/m3

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Hydraulics and Fluid Mechanics in ME
For 450 m head of water, _________ shall be used.

Pelton wheel
Francis turbine
Kaplan turbine
None of these

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Hydraulics and Fluid Mechanics in ME
An error of 1% in measuring head over the apex of the notch (H) will produce an error of _________ in discharge over a triangular notch.

0.015
0.01
0.025
0.02

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Hydraulics and Fluid Mechanics in ME
The unit of viscosity is

Meters² per sec
kg-sec/meter
Newton-sec per meter²
Newton-sec per meter

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