The power transmitted through the nozzle is maximum when the head lost due to friction in the pipe is __________ of the total supply head.

Hydraulics and Fluid Mechanics in ME
The power transmitted through the nozzle is maximum when the head lost due to friction in the pipe is __________ of the total supply head.

One-half

One-third

None of these

Two-third

One-half

One-third

None of these

Two-third

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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

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

Work-done per kN of water Losses within the impeller

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

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Hydraulics and Fluid Mechanics in ME
The celerity (velocity) of a pressure wave in a fluid is given by (where K = Bulk modulus, and ρ = Density of the fluid)

K/ρ

None of the listed here

K.ρ

ρ/K

K/ρ

None of the listed here

K.ρ

ρ/K

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Hydraulics and Fluid Mechanics in ME
The efficiency of a hydraulic press is given by (where W = Weight lifted by ram, P = Force applied on plunger, A = Area of ram, and a = Area of plunger)

(W/p) × (A/a)

(W/p) × (a/A)

(p/W) × (a/A)

(p/W) × (A/a)

(W/p) × (A/a)

(W/p) × (a/A)

(p/W) × (a/A)

(p/W) × (A/a)

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Hydraulics and Fluid Mechanics in ME
The speed of a pressure wave through a pipe depends upon

the bulk modulus for the fluid

the length of pipe

the viscosity of fluid

the original head

the bulk modulus for the fluid

the length of pipe

the viscosity of fluid

the original head

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Hydraulics and Fluid Mechanics in ME
When an internal mouthpiece is running free, the discharge through the mouthpiece is (where a = Area of mouthpiece, and H = Height of liquid above the mouthpiece)

0.855 a. √2gH

0.5 a. √2gH

0.707 a. √2gH

√2gH

0.855 a. √2gH

0.5 a. √2gH

0.707 a. √2gH

√2gH

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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME The power transmitted through the nozzle is maximum when the head lost due to friction in the pipe is __________ of the total supply head.

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

Hydraulics and Fluid Mechanics in ME The celerity (velocity) of a pressure wave in a fluid is given by (where K = Bulk modulus, and ρ = Density of the fluid)

Hydraulics and Fluid Mechanics in ME The efficiency of a hydraulic press is given by (where W = Weight lifted by ram, P = Force applied on plunger, A = Area of ram, and a = Area of plunger)

Hydraulics and Fluid Mechanics in ME The speed of a pressure wave through a pipe depends upon

Hydraulics and Fluid Mechanics in ME When an internal mouthpiece is running free, the discharge through the mouthpiece is (where a = Area of mouthpiece, and H = Height of liquid above the mouthpiece)

Hydraulics and Fluid Mechanics in ME
The power transmitted through the nozzle is maximum when the head lost due to friction in the pipe is __________ of the total supply head.

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

Hydraulics and Fluid Mechanics in ME
The celerity (velocity) of a pressure wave in a fluid is given by (where K = Bulk modulus, and ρ = Density of the fluid)

Hydraulics and Fluid Mechanics in ME
The efficiency of a hydraulic press is given by (where W = Weight lifted by ram, P = Force applied on plunger, A = Area of ram, and a = Area of plunger)

Hydraulics and Fluid Mechanics in ME
The speed of a pressure wave through a pipe depends upon

Hydraulics and Fluid Mechanics in ME
When an internal mouthpiece is running free, the discharge through the mouthpiece is (where a = Area of mouthpiece, and H = Height of liquid above the mouthpiece)