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Hydraulics and Fluid Mechanics in ME

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

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

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Hydraulics and Fluid Mechanics in ME
The length of a pipe is 1 km and its diameter is 20 cm. If the diameter of an equivalent pipe is 40 cm, then its length is

32 km
8 km
20 km
4 km

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Hydraulics and Fluid Mechanics in ME
A weir is said to be narrow-crested weir, if the width of the crest of the weir is __________ half the height of water above the weir crest.

Equal to
Less than
More than
None of these

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Hydraulics and Fluid Mechanics in ME
The units of dynamic or absolute viscosity are

newton-sec per meter
kg sec/meter
metres² per sec
newton-sec² per meter

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Hydraulics and Fluid Mechanics in ME
Bernoulli's equation is applied to

All of the listed here
Orifice meter
Venturimeter
Pitot tube

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Hydraulics and Fluid Mechanics in ME
The hydraulic mean depth or the hydraulic radius is the ratio of

Wetted perimeter and diameter of pipe
None of these
Area of flow and wetted perimeter
Velocity of flow and area of flow

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