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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 vs. speed
Pressure in cylinder vs. swept volume

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Hydraulics and Fluid Mechanics in ME
The critical depth for a channel is given by (where q = Unit discharge (discharge per unit width) through the channel)

(q/g)1/2
(q³/g)1/4
(q⁴/g)1/5
(q²/g)1/3

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Hydraulics and Fluid Mechanics in ME
Metacentre is the point of intersection of

All of these
buoyant force and the center line of body
mid point between e.g. and center of buoyancy
vertical upward force through e.g. of body and center line of body

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Hydraulics and Fluid Mechanics in ME
The discharge through a siphon spillway is

Cd × a × √(2g) × H3/2
Cd × a × √(2g) × H2
Cd × a × √(2gH)
Cd × a × √(2g) × H5/2

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Hydraulics and Fluid Mechanics in ME
A structure, whose width is __________ the width of the channel, is called a flumed structure.

Equal
More than
None of these
Less than

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Hydraulics and Fluid Mechanics in ME
The discharge through a convergent mouthpiece is __________ the discharge through an internal mouthpiece of the same diameter and head of water.

Three fourth
Double
Equal to
One-half

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