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

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

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Hydraulics and Fluid Mechanics in ME
The discharge through a channel of trapezoidal section is maximum when

Depth of channel is equal to the width at the bottom
Width of channel at the top is equal to twice the width at the bottom
The sloping side is equal to the width at the bottom
The sloping side is equal to half the width at the top

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Hydraulics and Fluid Mechanics in ME
Slip of a reciprocating pump is defined as the

Product of theoretical discharge and the actual discharge
Ratio of actual discharge to the theoretical discharge
Sum of actual discharge and the theoretical discharge
Difference of theoretical discharge and the actual discharge

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