A certain pressure vessel manufacturer avoids doing reinforcements calculations for openings by always providing a reinforcing pad extending upto double the diameter of the opening and of the same material and thickness as that of the shell wall. If area compensation is accepted as a code guideline, his approach leads to safe design

Process Equipment and Plant Design
A certain pressure vessel manufacturer avoids doing reinforcements calculations for openings by always providing a reinforcing pad extending upto double the diameter of the opening and of the same material and thickness as that of the shell wall. If area compensation is accepted as a code guideline, his approach leads to safe design

Only if the opening is on spherical vessel

Irrespective of the shape of the vessel

Only if the opening is on a horizontal cylinderical vessel

Only if the opening is on a vertical cylinderical vessel

Only if the opening is on spherical vessel

Irrespective of the shape of the vessel

Only if the opening is on a horizontal cylinderical vessel

Only if the opening is on a vertical cylinderical vessel

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Process Equipment and Plant Design
Optimum reflux ratio in a continuous distillation column is determined by the

Flooding limit of the column

Total cost consideration (fixed cost of the column plus the cooling water & steam cost)

Maximum permissible vapour velocity

None of these

Flooding limit of the column

Total cost consideration (fixed cost of the column plus the cooling water & steam cost)

Maximum permissible vapour velocity

None of these

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Process Equipment and Plant Design
In common bubble cap distillation column design practice, riser area is approximately equal to (where, Aa = Annular passage area, and Sa = Slot area)

1.2 Aa = 1.2 Sa

Aa = 1.5 Sa

Sa = 1.5 Aa

Aa = Sa

1.2 Aa = 1.2 Sa

Aa = 1.5 Sa

Sa = 1.5 Aa

Aa = Sa

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Process Equipment and Plant Design
Overall tray efficiency of a distillation column is the ratio of the number of

Real trays required to the number of ideal trays required

None of these

Overall gas transfer units to the number of ideal trays required

Ideal trays required to the number of real trays required

Real trays required to the number of ideal trays required

None of these

Overall gas transfer units to the number of ideal trays required

Ideal trays required to the number of real trays required

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Process Equipment and Plant Design
The units of Young's modulus of elasticity and __________ are the same.

Stress

Modular ratio

None of these

Strain

Stress

Modular ratio

None of these

Strain

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Process Equipment and Plant Design
The retention time of material in a rotary dryer depends upon its

Slope & length

Rpm

All of these

Flights arrangement

Slope & length

Rpm

All of these

Flights arrangement

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Process Equipment and Plant Design

Process Equipment and Plant Design Optimum reflux ratio in a continuous distillation column is determined by the

Process Equipment and Plant Design In common bubble cap distillation column design practice, riser area is approximately equal to (where, Aa = Annular passage area, and Sa = Slot area)

Process Equipment and Plant Design Overall tray efficiency of a distillation column is the ratio of the number of

Process Equipment and Plant Design The units of Young's modulus of elasticity and __________ are the same.

Process Equipment and Plant Design The retention time of material in a rotary dryer depends upon its

Process Equipment and Plant Design
Optimum reflux ratio in a continuous distillation column is determined by the

Process Equipment and Plant Design
In common bubble cap distillation column design practice, riser area is approximately equal to (where, Aa = Annular passage area, and Sa = Slot area)

Process Equipment and Plant Design
Overall tray efficiency of a distillation column is the ratio of the number of

Process Equipment and Plant Design
The units of Young's modulus of elasticity and __________ are the same.

Process Equipment and Plant Design
The retention time of material in a rotary dryer depends upon its