Fluid Mechanics
With increase in the ratio of orifice diameter to pipe diameter in case of an orificemeter, the overall pressure loss

Increases
Increases linearly
Decreases
Remains constant

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Fluid Mechanics
Vane anemometer

Is an area meter
Is a variable head meter
Rotates an element at a speed determined by the velocity of the fluid in which the meter is immersed
None of these

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