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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The speed of a pressure wave through a pipe depends upon

the length of pipe
the original head
the bulk modulus for the fluid
the viscosity of fluid

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Hydraulics and Fluid Mechanics in ME
In order to measure the flow with a Venturimeter, it is installed in

Inclined line with flow downwards
Horizontal line
Inclined line with flow upwards
Any direction and in any location

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Hydraulics and Fluid Mechanics in ME
A Pelton wheel develops 1750 kW under a head of 100 meters while running at 200 r.p.m. and discharging 2500 liters of water per second. The unit discharge of wheel is

2.5 m3/s
1.5 m3/s
0.25 m3/s
0.5 m3/s

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Hydraulics and Fluid Mechanics in ME
Dynamic similarity is said to exist between the model and the prototype, if both of them

None of these
Have identical velocities
Are identical in shape, but differ only in size
Are equal in size and shape

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Hydraulics and Fluid Mechanics in ME
Reynold's number is the ratio of inertia force to

Gravity force
Elastic force
Pressure force
Viscous force

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Hydraulics and Fluid Mechanics in ME
Liquids transmit pressure equally in all the directions. This is according to

Boyle's law
Pascal's law
Archimedes principle
Newton's formula

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