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)

wx

wA/x

wA

wAx

wx

wA/x

wA

wAx

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Hydraulics and Fluid Mechanics in ME
Which of the following pump is suitable for small discharge and high heads?

Axial flow pump

Mixed flow pump

Centrifugal pump

Reciprocating pump

Axial flow pump

Mixed flow pump

Centrifugal pump

Reciprocating pump

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Hydraulics and Fluid Mechanics in ME
The depth ‘d’ below the free surface at which the point velocity is equal to the average velocity of flow for a uniform laminar flow with a free surface, will be (where D is the depth of flow)

0.577 D

0.707 D

0.423 D

0.223 D

0.577 D

0.707 D

0.423 D

0.223 D

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Hydraulics and Fluid Mechanics in ME
The discharge over a right angled notch is (where H = Height of liquid above the apex of notch)

(8/15) Cd. 2g. H

(8/15) Cd. 2g. H²

(8/15) Cd. 2g. H3/2

(8/15) Cd. 2g. H5/2

(8/15) Cd. 2g. H

(8/15) Cd. 2g. H²

(8/15) Cd. 2g. H3/2

(8/15) Cd. 2g. H5/2

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Hydraulics and Fluid Mechanics in ME
The depth of center of pressure of an immersed surface, inclined at an angle 'θ' with the liquid surface lies at a distance equal to __________ the center of gravity.

IG sinθ/Ax̅ below

IG sin²θ/Ax̅ above

IG sin²θ/Ax̅ below

IG sinθ/Ax̅ above

IG sinθ/Ax̅ below

IG sin²θ/Ax̅ above

IG sin²θ/Ax̅ below

IG sinθ/Ax̅ above

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Hydraulics and Fluid Mechanics in ME
Mercury does not wet glass. This is due to property of liquid known as

surface tension

adhesion

viscosity

cohesion

surface tension

adhesion

viscosity

cohesion

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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 Which of the following pump is suitable for small discharge and high heads?

Hydraulics and Fluid Mechanics in ME The depth ‘d’ below the free surface at which the point velocity is equal to the average velocity of flow for a uniform laminar flow with a free surface, will be (where D is the depth of flow)

Hydraulics and Fluid Mechanics in ME The discharge over a right angled notch is (where H = Height of liquid above the apex of notch)

Hydraulics and Fluid Mechanics in ME The depth of center of pressure of an immersed surface, inclined at an angle 'θ' with the liquid surface lies at a distance equal to __________ the center of gravity.

Hydraulics and Fluid Mechanics in ME Mercury does not wet glass. This is due to property of liquid known as

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
Which of the following pump is suitable for small discharge and high heads?

Hydraulics and Fluid Mechanics in ME
The depth ‘d’ below the free surface at which the point velocity is equal to the average velocity of flow for a uniform laminar flow with a free surface, will be (where D is the depth of flow)

Hydraulics and Fluid Mechanics in ME
The discharge over a right angled notch is (where H = Height of liquid above the apex of notch)

Hydraulics and Fluid Mechanics in ME
The depth of center of pressure of an immersed surface, inclined at an angle 'θ' with the liquid surface lies at a distance equal to __________ the center of gravity.

Hydraulics and Fluid Mechanics in ME
Mercury does not wet glass. This is due to property of liquid known as