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Hydraulics and Fluid Mechanics in ME

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

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

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Hydraulics and Fluid Mechanics in ME
Multistage centrifugal pumps are used to obtain

High discharge
High head and high discharge
High head
Pumping of viscous fluids

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Hydraulics and Fluid Mechanics in ME
Saving of work done and power by fitting an air vessel to double acting reciprocating pump is of the order of

0.848
0.492
0.392
0.688

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Hydraulics and Fluid Mechanics in ME
The dynamic viscosity of gases __________ with rise in temperature.

None of these
Decreases
Remain unaffected
Increases

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Hydraulics and Fluid Mechanics in ME
A venturi-flume is used to measure

Discharge of liquid
Pressure difference between two points in a channel
Pressure of liquid
Pressure difference between two points in a pipe

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Hydraulics and Fluid Mechanics in ME
A fluid which obeys the Newton's law of viscosity is termed as

Ideal fluid
Non-Newtonian fluid
Newtonian fluid
Real fluid

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