Kinematic similarity is said to exist between the model and the prototype, if both of them

Hydraulics and Fluid Mechanics in ME
Kinematic similarity is said to exist between the model and the prototype, if both of them

Have identical forces

Are equal in size and shape

Are identical in shape, but differ only in size

Have identical velocities

Have identical forces

Are equal in size and shape

Are identical in shape, but differ only in size

Have identical velocities

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Hydraulics and Fluid Mechanics in ME
The error in discharge (dQ/Q) to the error in measurement of head (dH/H) over a triangular notch is given by

dQ/Q = 5/2 × (dH/H)

dQ/Q = 3/2 × (dH/H)

dQ/Q = 3 × (dH/H)

dQ/Q = 2 × (dH/H)

dQ/Q = 5/2 × (dH/H)

dQ/Q = 3/2 × (dH/H)

dQ/Q = 3 × (dH/H)

dQ/Q = 2 × (dH/H)

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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
The optimum value of vane exit angle for a centrifugal pump impeller is

30-40°

20-25°

10-15°

50-60°

30-40°

20-25°

10-15°

50-60°

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Hydraulics and Fluid Mechanics in ME
Which of the following is an example of laminar flow?

All of these

Flow of oil in measuring instruments

Underground flow

Flow past tiny bodies

All of these

Flow of oil in measuring instruments

Underground flow

Flow past tiny bodies

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Hydraulics and Fluid Mechanics in ME
The depth of center of pressure of an immersed surface, inclined at an angle 'θ' with the liquid surface lies at a distance equal to __________ the center of gravity.

IG sinθ/Ax̅ above

IG sinθ/Ax̅ below

IG sin²θ/Ax̅ below

IG sin²θ/Ax̅ above

IG sinθ/Ax̅ above

IG sinθ/Ax̅ below

IG sin²θ/Ax̅ below

IG sin²θ/Ax̅ above

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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME Kinematic similarity is said to exist between the model and the prototype, if both of them

Hydraulics and Fluid Mechanics in ME The error in discharge (dQ/Q) to the error in measurement of head (dH/H) over a triangular notch is given by

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

Hydraulics and Fluid Mechanics in ME The optimum value of vane exit angle for a centrifugal pump impeller is

Hydraulics and Fluid Mechanics in ME Which of the following is an example of laminar flow?

Hydraulics and Fluid Mechanics in ME The depth of center of pressure of an immersed surface, inclined at an angle 'θ' with the liquid surface lies at a distance equal to __________ the center of gravity.

Hydraulics and Fluid Mechanics in ME
Kinematic similarity is said to exist between the model and the prototype, if both of them

Hydraulics and Fluid Mechanics in ME
The error in discharge (dQ/Q) to the error in measurement of head (dH/H) over a triangular notch is given by

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

Hydraulics and Fluid Mechanics in ME
The optimum value of vane exit angle for a centrifugal pump impeller is

Hydraulics and Fluid Mechanics in ME
Which of the following is an example of laminar flow?

Hydraulics and Fluid Mechanics in ME
The depth of center of pressure of an immersed surface, inclined at an angle 'θ' with the liquid surface lies at a distance equal to __________ the center of gravity.