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

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Hydraulics and Fluid Mechanics in ME
Slip of a reciprocating pump is negative, when

Delivery pipe is long and pump is running at high speeds
Suction pipe is short and delivery pipe is long and the pump is running at low speeds
Suction pipe is short and pump is running at low speeds
Suction pipe is long and delivery pipe is short and the pump is running at high speeds

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Hydraulics and Fluid Mechanics in ME
Runaway speed of a hydraulic turbine is

Full load speed
The speed corresponding to maximum overload permissible
The speed at which turbine runner will be damaged
The speed if the turbine runner is allowed to revolve freely without load and with the wicket gates wide open

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