In a shell and tube heat exchanger, the shortest centre to centre distance between the adjacent tubes is

Process Equipment and Plant Design
In a shell and tube heat exchanger, the shortest centre to centre distance between the adjacent tubes is

Always less than the diameter of the tube

Called tube pitch

None of these

Called tube clearance

Always less than the diameter of the tube

Called tube pitch

None of these

Called tube clearance

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

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

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

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Process Equipment and Plant Design
An underdesigned steam trap will

None of these

Destroy itself of acceleration wear due to rapid recycling

Back up condensate and cause water hammer in steam line

Waste steam

None of these

Destroy itself of acceleration wear due to rapid recycling

Back up condensate and cause water hammer in steam line

Waste steam

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Process Equipment and Plant Design
Low pressure steam (with saturation temperature between 105 to 120°C) is usually used in the vacuum evaporators, which normally employ a vacuum of about __________ mm Hg (referred to a 760 mm mercury barometer).

750

450

650

250

750

450

650

250

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Process Equipment and Plant Design
The absorption factor is defined as (where, S₁ = slope of the equilibrium curve, S₂ = slope of the operating line)

S₁/S₂

1/S₁.S₂

S₁.S₂

S₂/S₁

S₁/S₂

1/S₁.S₂

S₁.S₂

S₂/S₁

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Process Equipment and Plant Design
The ideal size of round bubble caps to be used in industrial distillation column having a diameter of 3-6 metres is __________ cms.

50

7.5

15

5

50

7.5

15

5

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Process Equipment and Plant Design

Process Equipment and Plant Design In a shell and tube heat exchanger, the shortest centre to centre distance between the adjacent tubes is

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

Process Equipment and Plant Design An underdesigned steam trap will

Process Equipment and Plant Design Low pressure steam (with saturation temperature between 105 to 120°C) is usually used in the vacuum evaporators, which normally employ a vacuum of about __________ mm Hg (referred to a 760 mm mercury barometer).

Process Equipment and Plant Design The absorption factor is defined as (where, S₁ = slope of the equilibrium curve, S₂ = slope of the operating line)

Process Equipment and Plant Design The ideal size of round bubble caps to be used in industrial distillation column having a diameter of 3-6 metres is __________ cms.

Process Equipment and Plant Design
In a shell and tube heat exchanger, the shortest centre to centre distance between the adjacent tubes is

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

Process Equipment and Plant Design
An underdesigned steam trap will

Process Equipment and Plant Design
Low pressure steam (with saturation temperature between 105 to 120°C) is usually used in the vacuum evaporators, which normally employ a vacuum of about __________ mm Hg (referred to a 760 mm mercury barometer).

Process Equipment and Plant Design
The absorption factor is defined as (where, S₁ = slope of the equilibrium curve, S₂ = slope of the operating line)

Process Equipment and Plant Design
The ideal size of round bubble caps to be used in industrial distillation column having a diameter of 3-6 metres is __________ cms.