In a single casing, multistage pump running at constant speed, the capacity rating is to be slightly lowered. It can be done by

Hydraulics and Fluid Mechanics in ME
In a single casing, multistage pump running at constant speed, the capacity rating is to be slightly lowered. It can be done by

Some other alterations in the impeller

Not possible

Designing new impeller

Trimming the impeller size to the required size by machining

Some other alterations in the impeller

Not possible

Designing new impeller

Trimming the impeller size to the required size by machining

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Hydraulics and Fluid Mechanics in ME
In one dimensional flow, the flow

Takes place in curve

Takes place in straight line

Takes place in one direction

Is steady and uniform

Takes place in curve

Takes place in straight line

Takes place in one direction

Is steady and uniform

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Hydraulics and Fluid Mechanics in ME
When an ideal fluid flows past a sphere

highest intensity of pressure occurs around the circumference at right angles to flow

lowest pressure intensity occurs at rear stagnation point

total drag is zero

lowest pressure intensity occurs at front stagnation point

highest intensity of pressure occurs around the circumference at right angles to flow

lowest pressure intensity occurs at rear stagnation point

total drag is zero

lowest pressure intensity occurs at front stagnation point

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Hydraulics and Fluid Mechanics in ME
The pressure less than atmospheric pressure is known as

Suction pressure

Negative gauge pressure

Vacuum pressure

All of the listed here

Suction pressure

Negative gauge pressure

Vacuum pressure

All of the listed here

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Hydraulics and Fluid Mechanics in ME
When a body is immersed wholly or partially in a liquid, it is lifted up by a force equal to the weight of liquid displaced by the body. This statement is called

Bernoulli’s theorem

Archimedes’s principle

Pascal’s law

Principle of flotation

Bernoulli’s theorem

Archimedes’s principle

Pascal’s law

Principle of flotation

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Hydraulics and Fluid Mechanics in ME
A metal with specific gravity of o floating in a fluid of same specific gravity a will

float over fluid

partly immersed

be fully immersed with top surface at fluid surface

sink to bottom

float over fluid

partly immersed

be fully immersed with top surface at fluid surface

sink to bottom

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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME In a single casing, multistage pump running at constant speed, the capacity rating is to be slightly lowered. It can be done by

Hydraulics and Fluid Mechanics in ME In one dimensional flow, the flow

Hydraulics and Fluid Mechanics in ME When an ideal fluid flows past a sphere

Hydraulics and Fluid Mechanics in ME The pressure less than atmospheric pressure is known as

Hydraulics and Fluid Mechanics in ME When a body is immersed wholly or partially in a liquid, it is lifted up by a force equal to the weight of liquid displaced by the body. This statement is called

Hydraulics and Fluid Mechanics in ME A metal with specific gravity of o floating in a fluid of same specific gravity a will

Hydraulics and Fluid Mechanics in ME
In a single casing, multistage pump running at constant speed, the capacity rating is to be slightly lowered. It can be done by

Hydraulics and Fluid Mechanics in ME
In one dimensional flow, the flow

Hydraulics and Fluid Mechanics in ME
When an ideal fluid flows past a sphere

Hydraulics and Fluid Mechanics in ME
The pressure less than atmospheric pressure is known as

Hydraulics and Fluid Mechanics in ME
When a body is immersed wholly or partially in a liquid, it is lifted up by a force equal to the weight of liquid displaced by the body. This statement is called

Hydraulics and Fluid Mechanics in ME
A metal with specific gravity of o floating in a fluid of same specific gravity a will