When a piping system is made up primarily of friction head and very little of vertical lift, then pump characteristics should be

Hydraulics and Fluid Mechanics in ME
When a piping system is made up primarily of friction head and very little of vertical lift, then pump characteristics should be

First rise and then fall

Steep

Nearly horizontal

Horizontal

First rise and then fall

Steep

Nearly horizontal

Horizontal

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Hydraulics and Fluid Mechanics in ME
A right circular cylinder open at the top is filled with liquid and rotated about its vertical axis at such a speed that half the liquid spills out, then the pressure intensity at the center of bottom is

zero

cannot be predicted from the given data

one-fourth its value when cylinder was full

one-half its value when cylinder was full

zero

cannot be predicted from the given data

one-fourth its value when cylinder was full

one-half its value when cylinder was full

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Hydraulics and Fluid Mechanics in ME
Euler's equation in the differential form for the motion of liquids is given by

dp/ρ - g.dz + v.dv = 0

ρ.dp - g.dz + v.dv = 0

dp/ρ + g.dz + v.dv = 0

ρ.dp + g.dz + v.dv = 0

dp/ρ - g.dz + v.dv = 0

ρ.dp - g.dz + v.dv = 0

dp/ρ + g.dz + v.dv = 0

ρ.dp + g.dz + v.dv = 0

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Hydraulics and Fluid Mechanics in ME
In reaction turbine, draft tube is used

To transport water downstream without eddies

To convert the kinetic energy to flow energy by a gradual expansion of the flow cross-section

To increase flow rate

For safety of turbine

To transport water downstream without eddies

To convert the kinetic energy to flow energy by a gradual expansion of the flow cross-section

To increase flow rate

For safety of turbine

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Hydraulics and Fluid Mechanics in ME
The flow in which the velocity vector is identical in magnitude and direction at every point, for any given instant, is known as

turbulent flow

one dimensional flow

steady flow

uniform f^w

turbulent flow

one dimensional flow

steady flow

uniform f^w

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

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

Work-done per kN of water Losses within the impeller

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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME When a piping system is made up primarily of friction head and very little of vertical lift, then pump characteristics should be

Hydraulics and Fluid Mechanics in ME A right circular cylinder open at the top is filled with liquid and rotated about its vertical axis at such a speed that half the liquid spills out, then the pressure intensity at the center of bottom is

Hydraulics and Fluid Mechanics in ME Euler's equation in the differential form for the motion of liquids is given by

Hydraulics and Fluid Mechanics in ME In reaction turbine, draft tube is used

Hydraulics and Fluid Mechanics in ME The flow in which the velocity vector is identical in magnitude and direction at every point, for any given instant, is known as

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

Hydraulics and Fluid Mechanics in ME
When a piping system is made up primarily of friction head and very little of vertical lift, then pump characteristics should be

Hydraulics and Fluid Mechanics in ME
A right circular cylinder open at the top is filled with liquid and rotated about its vertical axis at such a speed that half the liquid spills out, then the pressure intensity at the center of bottom is

Hydraulics and Fluid Mechanics in ME
Euler's equation in the differential form for the motion of liquids is given by

Hydraulics and Fluid Mechanics in ME
In reaction turbine, draft tube is used

Hydraulics and Fluid Mechanics in ME
The flow in which the velocity vector is identical in magnitude and direction at every point, for any given instant, is known as

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