The depth of centre of pressure (h) for a vertically immersed surface from the liquid surface is given by (where IG = Moment of inertia of the immersed surface about horizontal axis through its centre of gravity, A = Area of immersed surface, and x = Depth of centre of gravity of the immersed surface from the liquid surface)

Hydraulics and Fluid Mechanics in ME
The depth of centre of pressure (h) for a vertically immersed surface from the liquid surface is given by (where IG = Moment of inertia of the immersed surface about horizontal axis through its centre of gravity, A = Area of immersed surface, and x = Depth of centre of gravity of the immersed surface from the liquid surface)

(IG/x̅) - Ax̅

(IG/Ax̅) + x̅

(Ax̅/IG) + x̅

(IG/Ax̅) - x̅

(IG/x̅) - Ax̅

(IG/Ax̅) + x̅

(Ax̅/IG) + x̅

(IG/Ax̅) - x̅

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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 × hf

w × Q (H - hf)

w × Q × H

w × Q (H + hf)

w × Q × hf

w × Q (H - hf)

w × Q × H

w × Q (H + hf)

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Hydraulics and Fluid Mechanics in ME
A glass tube of smaller diameter is used while performing an experiment for the capillary rise of water because

It is easier to see through the glass tube

Glass tube is cheaper than a metallic tube

It is not possible to conduct this experiment with any other tube

All of these

It is easier to see through the glass tube

Glass tube is cheaper than a metallic tube

It is not possible to conduct this experiment with any other tube

All of these

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Hydraulics and Fluid Mechanics in ME
In a lock-gate, the reaction between two gates is (where P = Resultant pressure on the lock gate, and α = Inclination of the gate with the normal to the side of the lock)

p/2sinα

2p/sinα

p/sinα

2p/sin (α/2)

p/2sinα

2p/sinα

p/sinα

2p/sin (α/2)

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Hydraulics and Fluid Mechanics in ME
The body will sink down if the force of buoyancy is __________ the weight of the liquid displaced.

Equal to

None of these

Less than

More than

Equal to

None of these

Less than

More than

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Hydraulics and Fluid Mechanics in ME
The loss of pressure head in case of laminar flow is proportional to

(Velocity)4

(Velocity)2

(Velocity)3

Velocity

(Velocity)4

(Velocity)2

(Velocity)3

Velocity

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Hydraulics and Fluid Mechanics in ME

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 A glass tube of smaller diameter is used while performing an experiment for the capillary rise of water because

Hydraulics and Fluid Mechanics in ME In a lock-gate, the reaction between two gates is (where P = Resultant pressure on the lock gate, and α = Inclination of the gate with the normal to the side of the lock)

Hydraulics and Fluid Mechanics in ME The body will sink down if the force of buoyancy is __________ the weight of the liquid displaced.

Hydraulics and Fluid Mechanics in ME The loss of pressure head in case of laminar flow is proportional to

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
A glass tube of smaller diameter is used while performing an experiment for the capillary rise of water because

Hydraulics and Fluid Mechanics in ME
In a lock-gate, the reaction between two gates is (where P = Resultant pressure on the lock gate, and α = Inclination of the gate with the normal to the side of the lock)

Hydraulics and Fluid Mechanics in ME
The body will sink down if the force of buoyancy is __________ the weight of the liquid displaced.

Hydraulics and Fluid Mechanics in ME
The loss of pressure head in case of laminar flow is proportional to