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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The upper surface of a weir over which water flows is known is

sill
weir top
crest
nappe

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Hydraulics and Fluid Mechanics in ME
A centrifugal pump will start delivering liquid only when the pressure rise in the impeller is equal to the

Static head
Velocity head
Kinetic head
Manometric head

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

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

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Hydraulics and Fluid Mechanics in ME
The length of a pipe is 1 km and its diameter is 20 cm. If the diameter of an equivalent pipe is 40 cm, then its length is

4 km
32 km
8 km
20 km

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Hydraulics and Fluid Mechanics in ME
Which of the following pump is successfully used for lifting water to the boilers?

Centrifugal pump
Reciprocating pump
Airlift pump
Jet pump

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

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

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