Which of the following must be followed by the flow of a fluid (real or ideal)? (I) Newton's law of viscosity. (II) Newton's second law of motion. (III) The continuity equation. (IV) Velocity of boundary layer must be zero relative to boundary. (V) Fluid cannot penetrate a boundary.

Fluid Mechanics
Which of the following must be followed by the flow of a fluid (real or ideal)? (I) Newton's law of viscosity. (II) Newton's second law of motion. (III) The continuity equation. (IV) Velocity of boundary layer must be zero relative to boundary. (V) Fluid cannot penetrate a boundary.

II, IV, V

II, III, V

I, II, V

I, II, III

II, IV, V

II, III, V

I, II, V

I, II, III

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Fluid Mechanics
Two fluids are flowing through two similar pipes of the same diameter. The Reynold's number is same. For the same flow rate if the viscosity of a fluid is reduced to half the value of the first fluid, the pressure drop will

Decrease

Data insufficient to predict relative pressure drop

Remain unchanged

Increase

Decrease

Data insufficient to predict relative pressure drop

Remain unchanged

Increase

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Fluid Mechanics
The peripherial velocity at inlet of a centrifugal pump having inlet diameter of 25 cms and rotating at 950 rpm is __________ m/sec.

12.4

186.2

1.8

736.4

12.4

186.2

1.8

736.4

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Fluid Mechanics
The length of the tube necessary for the boundary layer to reach the centre of the tube and for fully developed flow to be established is called the __________ length.

Prandtl mixing

Transition

Equivalent

None of these

Prandtl mixing

Transition

Equivalent

None of these

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Fluid Mechanics
The capacity of an accumulator is the maximum

None of these

Discharge which it can deliver

Liquid which it can store

Energy which it can store

None of these

Discharge which it can deliver

Liquid which it can store

Energy which it can store

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Fluid Mechanics
Transition from laminar flow to turbulent flow is aided by the

Vibration

Surface roughness and curvature (i.e.sharp corners)

Pressure gradient and the compressibility of the flowing medium

All of these

Vibration

Surface roughness and curvature (i.e.sharp corners)

Pressure gradient and the compressibility of the flowing medium

All of these

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Fluid Mechanics

Fluid Mechanics Which of the following must be followed by the flow of a fluid (real or ideal)? (I) Newton's law of viscosity. (II) Newton's second law of motion. (III) The continuity equation. (IV) Velocity of boundary layer must be zero relative to boundary. (V) Fluid cannot penetrate a boundary.

Fluid Mechanics Two fluids are flowing through two similar pipes of the same diameter. The Reynold's number is same. For the same flow rate if the viscosity of a fluid is reduced to half the value of the first fluid, the pressure drop will

Fluid Mechanics The peripherial velocity at inlet of a centrifugal pump having inlet diameter of 25 cms and rotating at 950 rpm is __________ m/sec.

Fluid Mechanics The length of the tube necessary for the boundary layer to reach the centre of the tube and for fully developed flow to be established is called the __________ length.

Fluid Mechanics The capacity of an accumulator is the maximum

Fluid Mechanics Transition from laminar flow to turbulent flow is aided by the

Fluid Mechanics
Which of the following must be followed by the flow of a fluid (real or ideal)? (I) Newton's law of viscosity. (II) Newton's second law of motion. (III) The continuity equation. (IV) Velocity of boundary layer must be zero relative to boundary. (V) Fluid cannot penetrate a boundary.

Fluid Mechanics
Two fluids are flowing through two similar pipes of the same diameter. The Reynold's number is same. For the same flow rate if the viscosity of a fluid is reduced to half the value of the first fluid, the pressure drop will

Fluid Mechanics
The peripherial velocity at inlet of a centrifugal pump having inlet diameter of 25 cms and rotating at 950 rpm is __________ m/sec.

Fluid Mechanics
The length of the tube necessary for the boundary layer to reach the centre of the tube and for fully developed flow to be established is called the __________ length.

Fluid Mechanics
The capacity of an accumulator is the maximum

Fluid Mechanics
Transition from laminar flow to turbulent flow is aided by the