The maximum hydraulic efficiency of an impulse turbine is (where φ = Angle of blade tip at outlet)

Hydraulics and Fluid Mechanics in ME
The maximum hydraulic efficiency of an impulse turbine is (where φ = Angle of blade tip at outlet)

(1 + sin φ)/2

(1 - sin φ)/2

(1 - cos φ)/2

(1 + cos φ)/2

(1 + sin φ)/2

(1 - sin φ)/2

(1 - cos φ)/2

(1 + cos φ)/2

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

All of these

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

Work-done per kN of water Losses within the impeller

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

All of these

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

Work-done per kN of water Losses within the impeller

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 loss of head at exit of a pipe is (where v = Velocity of liquid in the pipe)

0.375v²/2g

0.75v²/2g

0.5v²/2g

v²/2g

0.375v²/2g

0.75v²/2g

0.5v²/2g

v²/2g

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Hydraulics and Fluid Mechanics in ME
The unit discharge through the turbine is

Q/H

Q/√H

Q/H²

Q/H3/2

Q/H

Q/√H

Q/H²

Q/H3/2

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Hydraulics and Fluid Mechanics in ME
The value of coefficient of discharge is __________ the value of coefficient of velocity.

Less than

More than

Same as

None of these

Less than

More than

Same as

None of these

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Hydraulics and Fluid Mechanics in ME
The motion of air mass in a tornado is a

free vortex at center and forced vortex outside

forced vortex at center and free vortex outside

free vortex motion

forced vortex motion

free vortex at center and forced vortex outside

forced vortex at center and free vortex outside

free vortex motion

forced vortex motion

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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME The maximum hydraulic efficiency of an impulse turbine is (where φ = Angle of blade tip at outlet)

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

Hydraulics and Fluid Mechanics in ME The loss of head at exit of a pipe is (where v = Velocity of liquid in the pipe)

Hydraulics and Fluid Mechanics in ME The unit discharge through the turbine is

Hydraulics and Fluid Mechanics in ME The value of coefficient of discharge is __________ the value of coefficient of velocity.

Hydraulics and Fluid Mechanics in ME The motion of air mass in a tornado is a

Hydraulics and Fluid Mechanics in ME
The maximum hydraulic efficiency of an impulse turbine is (where φ = Angle of blade tip at outlet)

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

Hydraulics and Fluid Mechanics in ME
The loss of head at exit of a pipe is (where v = Velocity of liquid in the pipe)

Hydraulics and Fluid Mechanics in ME
The unit discharge through the turbine is

Hydraulics and Fluid Mechanics in ME
The value of coefficient of discharge is __________ the value of coefficient of velocity.

Hydraulics and Fluid Mechanics in ME
The motion of air mass in a tornado is a