Theoretically calculated diameter of the stripping section of the continuous rectification column is __________ that of the enriching section.

Process Equipment and Plant Design
Theoretically calculated diameter of the stripping section of the continuous rectification column is __________ that of the enriching section.

Same as

Less than

More than

Either more or less (depending upon relative volatility)

Same as

Less than

More than

Either more or less (depending upon relative volatility)

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Process Equipment and Plant Design
Excessive liquid gradient on a tray may result in the

Back trapping

All of these

Gas blowing beneath cap skit

Maldistribution of gas

Back trapping

All of these

Gas blowing beneath cap skit

Maldistribution of gas

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Process Equipment and Plant Design
The function of manholes provided in the shell of a distillation column is to

Keep a check on the liquid gradient over the plate by direct visual observation

Guard against foaming & entrainment by dumping antifoaming agent through it

All of these

Give access to the individual trays for cleaning, maintenance and installation

Keep a check on the liquid gradient over the plate by direct visual observation

Guard against foaming & entrainment by dumping antifoaming agent through it

All of these

Give access to the individual trays for cleaning, maintenance and installation

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Process Equipment and Plant Design
Pressure drop due to pipe fittings can be estimated by the equation, ΔP/p = 4f.Le/D.V2/2gc, where, Le = equivalent length of straight pipeline which will incur the same frictional loss as the fitting and D = diameter of the fitting. The value of Le/D (dimensionless) for 45° elbow and 180° close return bends would be respectively around

5 and 10

300 and 500

180 and 300

45 and 75

5 and 10

300 and 500

180 and 300

45 and 75

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Process Equipment and Plant Design
Baffle width is normally taken as __________ times the tank diameter.

0.4-0.5

0.45-0.6

0.1-0.12

0.2-0.45

0.4-0.5

0.45-0.6

0.1-0.12

0.2-0.45

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Process Equipment and Plant Design
Rivets are generally specified by the

None of these

Overall length

Head diameter

Shank diameter

None of these

Overall length

Head diameter

Shank diameter

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Process Equipment and Plant Design

Process Equipment and Plant Design Theoretically calculated diameter of the stripping section of the continuous rectification column is __________ that of the enriching section.

Process Equipment and Plant Design Excessive liquid gradient on a tray may result in the

Process Equipment and Plant Design The function of manholes provided in the shell of a distillation column is to

Process Equipment and Plant Design Baffle width is normally taken as __________ times the tank diameter.

Process Equipment and Plant Design Rivets are generally specified by the

Process Equipment and Plant Design
Theoretically calculated diameter of the stripping section of the continuous rectification column is __________ that of the enriching section.

Process Equipment and Plant Design
Excessive liquid gradient on a tray may result in the

Process Equipment and Plant Design
The function of manholes provided in the shell of a distillation column is to

Process Equipment and Plant Design
Baffle width is normally taken as __________ times the tank diameter.

Process Equipment and Plant Design
Rivets are generally specified by the