The total pressure on a horizontally immersed surface is (where w = Specific weight of the liquid, A = Area of the immersed surface, and x = Depth of the centre of gravity of the immersed surface from the liquid surface)

Hydraulics and Fluid Mechanics in ME
The total pressure on a horizontally immersed surface is (where w = Specific weight of the liquid, A = Area of the immersed surface, and x = Depth of the centre of gravity of the immersed surface from the liquid surface)

wA

wx

wA/x

wAx

wA

wx

wA/x

wAx

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

Its breadth is thrice the depth

Its depth is twice the breadth

Its depth is thrice the breadth

Its breadth is twice the depth

Its breadth is thrice the depth

Its depth is twice the breadth

Its depth is thrice the breadth

Its breadth is twice the depth

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Hydraulics and Fluid Mechanics in ME
The discharge over a triangular notch is

Inversely proportional to H5/2

Directly proportional to H3/2

Inversely proportional to H3/2

Directly proportional to H5/2

Inversely proportional to H5/2

Directly proportional to H3/2

Inversely proportional to H3/2

Directly proportional to H5/2

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Hydraulics and Fluid Mechanics in ME
The power transmitted through a pipe is (where w = Specific weight in N/m3, and Q = Discharge in m3/s)

w × Q × H

w × Q (H + hf)

w × Q × hf

w × Q (H - hf)

w × Q × H

w × Q (H + hf)

w × Q × hf

w × Q (H - hf)

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Hydraulics and Fluid Mechanics in ME
In steady flow of a fluid, the total accele ration of any fluid particle

is never zero

is always zero

can be zero

is independent of coordinates

is never zero

is always zero

can be zero

is independent of coordinates

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Hydraulics and Fluid Mechanics in ME
A liquid would wet the solid, if adhesion forces as compared to cohesion forces are

less

less at low temperature and more at high temperature

equal

more

less

less at low temperature and more at high temperature

equal

more

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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME The total pressure on a horizontally immersed surface is (where w = Specific weight of the liquid, A = Area of the immersed surface, and x = Depth of the centre of gravity of the immersed surface from the liquid surface)

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

Hydraulics and Fluid Mechanics in ME The discharge over a triangular notch is

Hydraulics and Fluid Mechanics in ME The power transmitted through a pipe is (where w = Specific weight in N/m3, and Q = Discharge in m3/s)

Hydraulics and Fluid Mechanics in ME In steady flow of a fluid, the total accele ration of any fluid particle

Hydraulics and Fluid Mechanics in ME A liquid would wet the solid, if adhesion forces as compared to cohesion forces are

Hydraulics and Fluid Mechanics in ME
The total pressure on a horizontally immersed surface is (where w = Specific weight of the liquid, A = Area of the immersed surface, and x = Depth of the centre of gravity of the immersed surface from the liquid surface)

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

Hydraulics and Fluid Mechanics in ME
The discharge over a triangular notch is

Hydraulics and Fluid Mechanics in ME
The power transmitted through a pipe is (where w = Specific weight in N/m3, and Q = Discharge in m3/s)

Hydraulics and Fluid Mechanics in ME
In steady flow of a fluid, the total accele ration of any fluid particle

Hydraulics and Fluid Mechanics in ME
A liquid would wet the solid, if adhesion forces as compared to cohesion forces are