The thermal stress in a metallic bar does not depend upon the

Process Equipment and Plant Design
The thermal stress in a metallic bar does not depend upon the

Cross-sectional area

Neither A nor B

Changes in temperature

Both A & B

Cross-sectional area

Neither A nor B

Changes in temperature

Both A & B

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Process Equipment and Plant Design
Overall mass transfer co-efficient in case of absorption of __________ in water is based on the gas film co-efficient only, as the mass transfer process is gas film (phase) controlling.

SO₂

NH₃

CO₂

None of these

SO₂

NH₃

CO₂

None of these

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Process Equipment and Plant Design
Pick out the wrong statement about distillation operation

Flash distillation, differential distillation & steam distillation are all continuous distillation processes

In flash (equilibrium) distillation, a definite fraction of liquid is vaporised in such a way that the evolved vapour & residual liquids are in equilibrium with each other

In differential (simple) distillation, the vapour is removed as soon as it is formed without appreciable condensation

Distillation under vacuum is a substitute for steam distillation

Flash distillation, differential distillation & steam distillation are all continuous distillation processes

In flash (equilibrium) distillation, a definite fraction of liquid is vaporised in such a way that the evolved vapour & residual liquids are in equilibrium with each other

In differential (simple) distillation, the vapour is removed as soon as it is formed without appreciable condensation

Distillation under vacuum is a substitute for steam distillation

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Process Equipment and Plant Design
An adequate clearance between the tray and the shell wall of a distillation column is provided to

Avoid back-trapping

Drain the liquid from the tray when the unit is not in operation

Allow for thermal expansion and facilitate installation

None of these

Avoid back-trapping

Drain the liquid from the tray when the unit is not in operation

Allow for thermal expansion and facilitate installation

None of these

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Process Equipment and Plant Design
In a shell and tube heat exchanger, the clearance of the tube is generally

More in case of triangular pitch as compared to the square pitch tube layout

Equal to the tube diameter

More than the tube diameter

Not less than one-fourth of the tube diameter or 3/16"

More in case of triangular pitch as compared to the square pitch tube layout

Equal to the tube diameter

More than the tube diameter

Not less than one-fourth of the tube diameter or 3/16"

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Process Equipment and Plant Design
Optimum economic pipe diameter for fluid flow is determined by the

None of these

Total cost considerations (pumping cost plus fixed cost of the pipe)

Viscosity of the fluid

Density of the fluid

None of these

Total cost considerations (pumping cost plus fixed cost of the pipe)

Viscosity of the fluid

Density of the fluid

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Process Equipment and Plant Design

Process Equipment and Plant Design The thermal stress in a metallic bar does not depend upon the

Process Equipment and Plant Design Overall mass transfer co-efficient in case of absorption of __________ in water is based on the gas film co-efficient only, as the mass transfer process is gas film (phase) controlling.

Process Equipment and Plant Design Pick out the wrong statement about distillation operation

Process Equipment and Plant Design An adequate clearance between the tray and the shell wall of a distillation column is provided to

Process Equipment and Plant Design In a shell and tube heat exchanger, the clearance of the tube is generally

Process Equipment and Plant Design Optimum economic pipe diameter for fluid flow is determined by the

Process Equipment and Plant Design
The thermal stress in a metallic bar does not depend upon the

Process Equipment and Plant Design
Overall mass transfer co-efficient in case of absorption of __________ in water is based on the gas film co-efficient only, as the mass transfer process is gas film (phase) controlling.

Process Equipment and Plant Design
Pick out the wrong statement about distillation operation

Process Equipment and Plant Design
An adequate clearance between the tray and the shell wall of a distillation column is provided to

Process Equipment and Plant Design
In a shell and tube heat exchanger, the clearance of the tube is generally

Process Equipment and Plant Design
Optimum economic pipe diameter for fluid flow is determined by the