If a pump is handling water and is discharging a certain flow Q at a constant total dynamic head requiring a definite B.H.P., the same pump when handling a liquid of specific gravity 0.75 and viscosity nearly same as of water , the horse power required will be

Hydraulics and Fluid Mechanics in ME
If a pump is handling water and is discharging a certain flow Q at a constant total dynamic head requiring a definite B.H.P., the same pump when handling a liquid of specific gravity 0.75 and viscosity nearly same as of water , the horse power required will be

0.75 B.H.P

H.P./0.75

Same

1.5 B.H.P

0.75 B.H.P

H.P./0.75

Same

1.5 B.H.P

ANSWER DOWNLOAD EXAMIANS APP

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

Not possible

Designing new impeller

Some other alterations in the impeller

Trimming the impeller size to the required size by machining

Not possible

Designing new impeller

Some other alterations in the impeller

Trimming the impeller size to the required size by machining

ANSWER DOWNLOAD EXAMIANS APP

Hydraulics and Fluid Mechanics in ME
A flow in which __________ force is dominating over the viscosity is called turbulent flow.

Viscous

Surface tension

Inertia

Elastic

Viscous

Surface tension

Inertia

Elastic

ANSWER DOWNLOAD EXAMIANS APP

Hydraulics and Fluid Mechanics in ME
The flow in a pipe or channel is said to be uniform when

The liquid particles at all sections have the same velocities

The quantity of liquid flowing per second is constant

Each liquid particle has a definite path

The liquid particles at different sections have different velocities

The liquid particles at all sections have the same velocities

The quantity of liquid flowing per second is constant

Each liquid particle has a definite path

The liquid particles at different sections have different velocities

ANSWER DOWNLOAD EXAMIANS APP

Hydraulics and Fluid Mechanics in ME
The unit speed of the turbine runner is

N/√H

N/H3/2

N/H²

N/H

N/√H

N/H3/2

N/H²

N/H

ANSWER DOWNLOAD EXAMIANS APP

Hydraulics and Fluid Mechanics in ME
A liquid would wet the solid, if adhesion forces as compared to cohesion forces are

less at low temperature and more at high temperature

more

less

equal

less at low temperature and more at high temperature

more

less

equal

ANSWER DOWNLOAD EXAMIANS APP

Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME If a pump is handling water and is discharging a certain flow Q at a constant total dynamic head requiring a definite B.H.P., the same pump when handling a liquid of specific gravity 0.75 and viscosity nearly same as of water , the horse power required will be

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 A flow in which __________ force is dominating over the viscosity is called turbulent flow.

Hydraulics and Fluid Mechanics in ME The flow in a pipe or channel is said to be uniform when

Hydraulics and Fluid Mechanics in ME The unit speed of the turbine runner is

Hydraulics and Fluid Mechanics in ME A liquid would wet the solid, if adhesion forces as compared to cohesion forces are

Hydraulics and Fluid Mechanics in ME
If a pump is handling water and is discharging a certain flow Q at a constant total dynamic head requiring a definite B.H.P., the same pump when handling a liquid of specific gravity 0.75 and viscosity nearly same as of water , the horse power required will be

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
A flow in which __________ force is dominating over the viscosity is called turbulent flow.

Hydraulics and Fluid Mechanics in ME
The flow in a pipe or channel is said to be uniform when

Hydraulics and Fluid Mechanics in ME
The unit speed of the turbine runner is

Hydraulics and Fluid Mechanics in ME
A liquid would wet the solid, if adhesion forces as compared to cohesion forces are