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Hydraulics and Fluid Mechanics in ME

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 depth of the centre of pressure on a vertical rectangular gate 8 m wide and 6 m high, when the water surface coincides with the top of the gate, is

5.0 m
3.0 m
4.0 m
2.4 m

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Hydraulics and Fluid Mechanics in ME
In centrifugal pumps, maximum efficiency is obtained when the blades are

Radial
Straight
Bent backward
Bent forward

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Hydraulics and Fluid Mechanics in ME
An internal mouthpiece is said to be running free if the length of the mouthpiece is __________ the diameter of the orifice.

More than twice
Less than twice
More than three times
Less than three times

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Hydraulics and Fluid Mechanics in ME
Reaction turbines are used for

Low head
Low head and high discharge
High head and low discharge
High head

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Hydraulics and Fluid Mechanics in ME
The loss of pressure head in case of laminar flow is proportional to

(Velocity)3
Velocity
(Velocity)4
(Velocity)2

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