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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Rain drops are spherical because of

viscosity
surface tension forces
atmospheric pressure
air resistance

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Hydraulics and Fluid Mechanics in ME
Choose the wrong statement. Alcohol is used in manometer, because

Its vapour pressure is low
It provides suitable meniscus for the inclined tube
It provides longer length for a given pressure difference
Its density is less

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Hydraulics and Fluid Mechanics in ME
The discharge through a channel of rectangular section will be maximum, if

Its depth is thrice the breadth
Its depth is twice the breadth
Its breadth is thrice the depth
Its breadth is twice the depth

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Hydraulics and Fluid Mechanics in ME
A body floating in a liquid is said to be in neutral equilibrium, if its metacentre

Lies between the centre of buoyancy and centre of gravity
Lies above its centre of gravity
Coincides with its centre of gravity
Lies below its centre of gravity

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Hydraulics and Fluid Mechanics in ME
The value of mass density in kgsecVm4 for water at 0°C is

1000
1
100
101.9

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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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MORE MCQ ON Hydraulics and Fluid Mechanics in ME

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