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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Hydrometer is used to determine

specific gravity of liquids
specific gravity of solids
relative humidity
specific gravity of gases

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Hydraulics and Fluid Mechanics in ME
The maximum hydraulic efficiency of an impulse turbine is (where φ = Angle of blade tip at outlet)

(1 + sin φ)/2
(1 - cos φ)/2
(1 - sin φ)/2
(1 + cos φ)/2

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Hydraulics and Fluid Mechanics in ME
Casting of a centrifugal pump is designed so as to minimize

Static head
Cavitations
Friction loss
Loss of kinetic energy

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

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

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Hydraulics and Fluid Mechanics in ME
Ratio of inertia force to surface Jension is known as

Reynold’s number
Mach number
Weber’s number
Froude number

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Hydraulics and Fluid Mechanics in ME
Reaction turbines are used for

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

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MORE MCQ ON Hydraulics and Fluid Mechanics in ME

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