Frame thickness in the plate and frame filter press is normally in the range of __________ inches.

Process Equipment and Plant Design
Frame thickness in the plate and frame filter press is normally in the range of __________ inches.

1 to 5

0.25 to 8

0.25 to 4

1 to 12

1 to 5

0.25 to 8

0.25 to 4

1 to 12

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Process Equipment and Plant Design
Pick out the wrong statement pertaining to the use of valve tray, seive tray and bubble cap trays in continuous distillation column.

Valve trays have the highest turn down ratio (i.e. the ratio of the highest to the lowest vapour flow rates) and thus provides the maximum flexible operating range

Bubble cap trays though most expensive are the best in situations, where low vapour rates is to be handled and a positive liquid seal is essential at all flow rates

Maintenance cost for valve and seive trays are comparatively more than bubble cap tray due to their relatively complicated construction features

Murphree efficiency of all the three trays are nearly equal, however the peak efficiency is generally higher for seive and valve trays than the bubble cap

Valve trays have the highest turn down ratio (i.e. the ratio of the highest to the lowest vapour flow rates) and thus provides the maximum flexible operating range

Bubble cap trays though most expensive are the best in situations, where low vapour rates is to be handled and a positive liquid seal is essential at all flow rates

Maintenance cost for valve and seive trays are comparatively more than bubble cap tray due to their relatively complicated construction features

Murphree efficiency of all the three trays are nearly equal, however the peak efficiency is generally higher for seive and valve trays than the bubble cap

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Process Equipment and Plant Design
Pick out the wrong statement about routing of fluids in a shell and tube heat exchanger.

Higher pressure fluid stream should be routed through the shell side

The viscous fluid should be routed through the shell side

The corrosive and fouling fluid should be preferably routed through the tubes

Lower flow rate fluid should be routed through the shell side

Higher pressure fluid stream should be routed through the shell side

The viscous fluid should be routed through the shell side

The corrosive and fouling fluid should be preferably routed through the tubes

Lower flow rate fluid should be routed through the shell side

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Process Equipment and Plant Design
The minimum plate spacing in most of the pertroleum refinery distillation columns (of dia > 3 ft) is normally __________ inches.

18

12

6

34

18

12

6

34

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

Overall gas transfer units to the number of ideal trays required

None of these

Real trays required to the number of ideal trays required

Ideal trays required to the number of real trays required

Overall gas transfer units to the number of ideal trays required

None of these

Real trays required 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
A high vapour velocity is required for high plate efficiency in a seive plate coloumn. The satisfactory value of operating vapor velocity for design purpose in seive plate column is about __________ percent of the flooding velocity.

45

95

80

60

45

95

80

60

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Process Equipment and Plant Design

Process Equipment and Plant Design Frame thickness in the plate and frame filter press is normally in the range of __________ inches.

Process Equipment and Plant Design Pick out the wrong statement pertaining to the use of valve tray, seive tray and bubble cap trays in continuous distillation column.

Process Equipment and Plant Design Pick out the wrong statement about routing of fluids in a shell and tube heat exchanger.

Process Equipment and Plant Design The minimum plate spacing in most of the pertroleum refinery distillation columns (of dia > 3 ft) is normally __________ inches.

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

Process Equipment and Plant Design A high vapour velocity is required for high plate efficiency in a seive plate coloumn. The satisfactory value of operating vapor velocity for design purpose in seive plate column is about __________ percent of the flooding velocity.

Process Equipment and Plant Design
Frame thickness in the plate and frame filter press is normally in the range of __________ inches.

Process Equipment and Plant Design
Pick out the wrong statement pertaining to the use of valve tray, seive tray and bubble cap trays in continuous distillation column.

Process Equipment and Plant Design
Pick out the wrong statement about routing of fluids in a shell and tube heat exchanger.

Process Equipment and Plant Design
The minimum plate spacing in most of the pertroleum refinery distillation columns (of dia > 3 ft) is normally __________ inches.

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

Process Equipment and Plant Design
A high vapour velocity is required for high plate efficiency in a seive plate coloumn. The satisfactory value of operating vapor velocity for design purpose in seive plate column is about __________ percent of the flooding velocity.