Optimum reflux ratio in a continuous distillation column is determined by the

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

None of these

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

Maximum permissible vapour velocity

Flooding limit of the column

None of these

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

Maximum permissible vapour velocity

Flooding limit of the column

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Process Equipment and Plant Design
In hydrostatic testing of welded pipe (for leakage, strength etc.) the ratio of minimum hydrostatic test pressure to internal design pressure is around

3.5

2.5

1.5

0.5

3.5

2.5

1.5

0.5

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Process Equipment and Plant Design
The operating pressure drop range in a bag filter is about __________ mm water gauge.

1500-2500

500-1500

50-150

43961

1500-2500

500-1500

50-150

43961

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Process Equipment and Plant Design
Vertical condenser is advantageous to the horizontal condenser from operation point of view, when

Hydrostatic head is required for refluxing the condensate

Only the function of condensation is to be carried out

Sub cooling of condensate is desired

Both the functions of condensation & sub cooling are carried out in a single unit

Hydrostatic head is required for refluxing the condensate

Only the function of condensation is to be carried out

Sub cooling of condensate is desired

Both the functions of condensation & sub cooling are carried out in a single unit

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Process Equipment and Plant Design
For pipe flows, head is proportional to __________ at constant capacity (where D = pipe diameter ).

1/D

1/D⁵

1/D²

D²

1/D

1/D⁵

1/D²

D²

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Process Equipment and Plant Design
Le/D for a Tee (used as elbow, entering branch) would be

More than that for Tee (used as elbow, entering run)

Around 90

Both B and C

Less than that for Tee (used as elbow, entering run)

More than that for Tee (used as elbow, entering run)

Around 90

Both B and C

Less than that for Tee (used as elbow, entering run)

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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 hydrostatic testing of welded pipe (for leakage, strength etc.) the ratio of minimum hydrostatic test pressure to internal design pressure is around

Process Equipment and Plant Design The operating pressure drop range in a bag filter is about __________ mm water gauge.

Process Equipment and Plant Design Vertical condenser is advantageous to the horizontal condenser from operation point of view, when

Process Equipment and Plant Design For pipe flows, head is proportional to __________ at constant capacity (where D = pipe diameter ).

Process Equipment and Plant Design Le/D for a Tee (used as elbow, entering branch) would be

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

Process Equipment and Plant Design
In hydrostatic testing of welded pipe (for leakage, strength etc.) the ratio of minimum hydrostatic test pressure to internal design pressure is around

Process Equipment and Plant Design
The operating pressure drop range in a bag filter is about __________ mm water gauge.

Process Equipment and Plant Design
Vertical condenser is advantageous to the horizontal condenser from operation point of view, when

Process Equipment and Plant Design
For pipe flows, head is proportional to __________ at constant capacity (where D = pipe diameter ).

Process Equipment and Plant Design
Le/D for a Tee (used as elbow, entering branch) would be