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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
A flow in which __________ force is dominating over the viscosity is called turbulent flow.

Viscous
Inertia
Elastic
Surface tension

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Hydraulics and Fluid Mechanics in ME
When a piping system is made up primarily of friction head and very little of vertical lift, then pump characteristics should be

Horizontal
Steep
First rise and then fall
Nearly horizontal

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Hydraulics and Fluid Mechanics in ME
If mercury in a barometer is replaced by water, the height of 3.75 cm of mercury will be following cm of water

52 cm
51 cm
50 cm
52.2 cm

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Hydraulics and Fluid Mechanics in ME
The viscosity of a gas

increases with increase in temperature
is independent of pressure for very high pressure intensities
decreases with increase in temperature
is independent of temperature

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

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

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Hydraulics and Fluid Mechanics in ME
The value of bulk modulus of a fluid is required to determine

Mach number
Reynold's number
Euler's number
Froude's number

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