Hydraulics and Fluid Mechanics in ME
Which of the following is an incorrect statement ?

Flow nozzle is cheaper than venturimeter but has higher energy loss
Coefficient of contraction of a venturimeter is unity
Discharge is independent of orientation of venturimeter whether it is horizontal, vertical or inclined
None of these

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Hydraulics and Fluid Mechanics in ME
Stanton diagram is a

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
log-log plot of relative roughness against Reynolds number

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Hydraulics and Fluid Mechanics in ME
An orifice is said to be large, if

The size of orifice is large
The velocity of flow is large
The available head of liquid is more than 5 times the height of orifice
The available head of liquid is less than 5 times the height of orifice

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