Flow through orifice meter

Pressure recovery in the case of orificemeter is _____________ that for venturimeter?
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Orificemeter is ______________________ type of flowmeter?
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Coefficient of discharge for orificemeter is
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For an orifice meter,if you plot log( flow rate) vs log(pressure drop),the slope of the straight line is
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Coefficient of discharge is the
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Two tubes of diameter 1 cm and 2 cm are filled with mercury to a height of 50 cm. The tubes are open to atmosphere. Now pressure at the bottom of the mercury column will be
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Fannings friction factor for a flow with Reynolds number of 1000 is
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