In case of 1.5" heat exchanger tubes, the inside flow area __________ with decrease in BWG.

Process Equipment and Plant Design
In case of 1.5" heat exchanger tubes, the inside flow area __________ with decrease in BWG.

Decreases

Increases

Remains same

None of these

Decreases

Increases

Remains same

None of these

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Process Equipment and Plant Design
Hole diameter of the seive trays in the distillation column ranges from __________ mm.

3 to 12.5

L to 3

4 to 8

12.5 to 18.5

3 to 12.5

L to 3

4 to 8

12.5 to 18.5

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

Maximum permissible vapour velocity

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

Flooding limit of the column

None of these

Maximum permissible vapour velocity

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

Flooding limit of the column

None of these

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Process Equipment and Plant Design
In case of a shell and tube heat exchanger, the effect of L/D on inside film heat transfer co-efficient (hi) vanishes after a Reynold number of

10000

5000

3000

1000

10000

5000

3000

1000

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Process Equipment and Plant Design
The LMTD correction factor (FT) is defined as the

Differenced of true temperature difference and the LMTD

Geometric mean of the true temperature difference and the LMTD

Ratio of true temperature difference to the LMTD

Ratio of LMTD to the true temperature difference

Differenced of true temperature difference and the LMTD

Geometric mean of the true temperature difference and the LMTD

Ratio of true temperature difference to the LMTD

Ratio of LMTD to the true temperature difference

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Process Equipment and Plant Design
Pick out the wrong statement pertaining to the comparative evaluation of performance of the packed tower and the plate tower.

Plate tower is preferred over packed tower, if the operation involves liquids containing dispersed solids

Plate tower is perferred, if interstage cooling is required to remove heats of reaction or solution

In operations involving large temperature changes. (e.g. distillation), plate towers are preferred over packed towers as the packing may be crushed due to large temperature changes

The total weight of a dry plate tower is usually much more than that of a dry packed tower designed for the same duty

Plate tower is preferred over packed tower, if the operation involves liquids containing dispersed solids

Plate tower is perferred, if interstage cooling is required to remove heats of reaction or solution

In operations involving large temperature changes. (e.g. distillation), plate towers are preferred over packed towers as the packing may be crushed due to large temperature changes

The total weight of a dry plate tower is usually much more than that of a dry packed tower designed for the same duty

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Process Equipment and Plant Design

Process Equipment and Plant Design In case of 1.5" heat exchanger tubes, the inside flow area __________ with decrease in BWG.

Process Equipment and Plant Design Hole diameter of the seive trays in the distillation column ranges from __________ mm.

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

Process Equipment and Plant Design In case of a shell and tube heat exchanger, the effect of L/D on inside film heat transfer co-efficient (hi) vanishes after a Reynold number of

Process Equipment and Plant Design The LMTD correction factor (FT) is defined as the

Process Equipment and Plant Design Pick out the wrong statement pertaining to the comparative evaluation of performance of the packed tower and the plate tower.

Process Equipment and Plant Design
In case of 1.5" heat exchanger tubes, the inside flow area __________ with decrease in BWG.

Process Equipment and Plant Design
Hole diameter of the seive trays in the distillation column ranges from __________ mm.

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

Process Equipment and Plant Design
In case of a shell and tube heat exchanger, the effect of L/D on inside film heat transfer co-efficient (hi) vanishes after a Reynold number of

Process Equipment and Plant Design
The LMTD correction factor (FT) is defined as the

Process Equipment and Plant Design
Pick out the wrong statement pertaining to the comparative evaluation of performance of the packed tower and the plate tower.