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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The static head of a centrifugal pump is equal to the _________ of suction head and delivery head.

Sum
Product
None of these
Difference

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Hydraulics and Fluid Mechanics in ME
In steady flow of a fluid, the total accele ration of any fluid particle

can be zero
is independent of coordinates
is never zero
is always zero

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Hydraulics and Fluid Mechanics in ME
The specific speed of a hydraulic turbine depends upon

Speed and head of water
Speed, power developed and head of water
Discharge and power developed
Speed and power developed

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

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

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Hydraulics and Fluid Mechanics in ME
In series-pipe problems

a trial solution is not necessary
the discharge is same through each pipe
the discharge through each pipe is added to obtain total discharge
the head loss is same through each pipe

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Hydraulics and Fluid Mechanics in ME
According to Darcy's formula, the loss of head due to friction in the pipe is (where f = Darcy's coefficient, l = Length of pipe, v = Velocity of liquid in pipe, and d = Diameter of pipe)

3flv²/2gd
flv²/2gd
4flv²/2gd
flv²/gd

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