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

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Hydraulics and Fluid Mechanics in ME
The intensity of pressure at any point, in a liquid, is

Directly proportional to the depth of liquid from the surface
Directly proportional to the area of the vessel containing liquid
Directly proportional to the length of the vessel containing liquid
Inversely proportional to the depth of liquid from the surface

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Hydraulics and Fluid Mechanics in ME
Stanton diagram is a

log-log plot of relative roughness against Reynolds number
semi-log plot of friction factor against relative roughness
semi-log plot of friction factor against Reynolds number
log-log plot of friction factor against Reynolds number

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Hydraulics and Fluid Mechanics in ME
The hydraulic efficiency of an impulse turbine is the

Ratio of the actual power produced by the turbine to the energy actually supplied by the turbine
Ratio of the actual work available at the turbine to the energy imparted to the wheel
None of these
Ratio of the work done on the wheel to the energy of the jet

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