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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
To avoid an interruption in the flow of a siphon, an air vessel is provided

At any point between inlet and outlet
At the outlet
At the inlet
At the summit

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Hydraulics and Fluid Mechanics in ME
The ratio of quantity of liquid discharged per second from the pump to the quantity of liquid passing per second through the impeller is known as

Manometric efficiency
Mechanical efficiency
Volumetric efficiency
Overall efficiency

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Hydraulics and Fluid Mechanics in ME
The viscosity of water at 20°C is

One poise
One stoke
One centistoke
One centipoise

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Hydraulics and Fluid Mechanics in ME
If mercury in a barometer is replaced by water, the height of 3.75 cm of mercury will be following cm of water

50 cm
52 cm
51 cm
52.2 cm

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Hydraulics and Fluid Mechanics in ME
Indicator diagram of a reciprocating pump is a graph between

Pressure vs. speed
Flow vs. speed
Pressure in cylinder vs. swept volume
Flow vs. swept volume

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Hydraulics and Fluid Mechanics in ME
Choose the wrong statement. Alcohol is used in manometer, because

It provides longer length for a given pressure difference
Its vapour pressure is low
Its density is less
It provides suitable meniscus for the inclined tube

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