The velocity of jet of water travelling out of opening in a tank filled with water is proportional to

Hydraulics and Fluid Mechanics in ME
The velocity of jet of water travelling out of opening in a tank filled with water is proportional to

h2

V/T

head of water (h)

h2

V/T

head of water (h)

h2

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Hydraulics and Fluid Mechanics in ME
Impulse turbine is generally fitted

Slightly below the tail race

At the level of tail race

About 2.5 m above the tail race to avoid cavitations

Little above the tail race

Slightly below the tail race

At the level of tail race

About 2.5 m above the tail race to avoid cavitations

Little above the tail race

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Hydraulics and Fluid Mechanics in ME
An ideal flow of any fluid must fulfill the following

Continuity equation

Newton’s law of motion

Pascal’ law

Newton’s law of viscosity

Continuity equation

Newton’s law of motion

Pascal’ law

Newton’s law of viscosity

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Hydraulics and Fluid Mechanics in ME
Manometric head, in case of a centrifugal pump, is equal to

Work-done per kN of water Losses within the impeller

Suction lift + Loss of head in suction pipe due to friction + Delivery lift + Loss of head in delivery pipe due to friction + Velocity head in the delivery pipe

All of these

Energy per kN at outlet of impeller Energy per kN at inlet of impeller

Work-done per kN of water Losses within the impeller

Suction lift + Loss of head in suction pipe due to friction + Delivery lift + Loss of head in delivery pipe due to friction + Velocity head in the delivery pipe

All of these

Energy per kN at outlet of impeller Energy per kN at inlet of impeller

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Hydraulics and Fluid Mechanics in ME
The ratio of absolute viscosity to mass density is known as

specific viscosity

kinematic viscosity

coefficient of viscosity

viscosity index

specific viscosity

kinematic viscosity

coefficient of viscosity

viscosity index

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Hydraulics and Fluid Mechanics in ME
The normal stress in a fluid will be constant in all directions at a point only if

It is at rest

It is incompressible

It has uniform viscosity

It has zero viscosity

It is at rest

It is incompressible

It has uniform viscosity

It has zero viscosity

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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME The velocity of jet of water travelling out of opening in a tank filled with water is proportional to

Hydraulics and Fluid Mechanics in ME Impulse turbine is generally fitted

Hydraulics and Fluid Mechanics in ME An ideal flow of any fluid must fulfill the following

Hydraulics and Fluid Mechanics in ME Manometric head, in case of a centrifugal pump, is equal to

Hydraulics and Fluid Mechanics in ME The ratio of absolute viscosity to mass density is known as

Hydraulics and Fluid Mechanics in ME The normal stress in a fluid will be constant in all directions at a point only if

Hydraulics and Fluid Mechanics in ME
The velocity of jet of water travelling out of opening in a tank filled with water is proportional to

Hydraulics and Fluid Mechanics in ME
Impulse turbine is generally fitted

Hydraulics and Fluid Mechanics in ME
An ideal flow of any fluid must fulfill the following

Hydraulics and Fluid Mechanics in ME
Manometric head, in case of a centrifugal pump, is equal to

Hydraulics and Fluid Mechanics in ME
The ratio of absolute viscosity to mass density is known as

Hydraulics and Fluid Mechanics in ME
The normal stress in a fluid will be constant in all directions at a point only if