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
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

3000

1000

5000

10000

3000

1000

5000

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Process Equipment and Plant Design
In the design of a shell and tube heat exchanger, the corrosion allowance

Need not be provided for non-pressure parts like tie rods, spacers, baffles, supports etc

For carbon steel and cast iron pressure parts is 1.5 mm (except for tubes) and for severe conditions it is 3 mm

For internal cover and tube sheet is provided on both the sides

All of these

Need not be provided for non-pressure parts like tie rods, spacers, baffles, supports etc

For carbon steel and cast iron pressure parts is 1.5 mm (except for tubes) and for severe conditions it is 3 mm

For internal cover and tube sheet is provided on both the sides

All of these

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

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

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

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

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

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

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Process Equipment and Plant Design
Maximum plate efficiency is achieved in case of __________ flow.

Cross

Cascade

Split

Reverse

Cross

Cascade

Split

Reverse

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Process Equipment and Plant Design
Movement of pipeline caused by thermal expansion is taken care by providing

Changes in its direction

Expansion joint

Change in the shape of pipeline

All of these

Changes in its direction

Expansion joint

Change in the shape of pipeline

All of these

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Process Equipment and Plant Design
In seive plate column, holes are drilled or punched in sizes ranging from 2.5 to 12 mm (5 mm being widely used). The hole pitch is normally __________ times the hole diameter to give the required hole area.

10 to 15

5 to 10

2.5 to 4.0

0.5 to 1.5

10 to 15

5 to 10

2.5 to 4.0

0.5 to 1.5

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Process Equipment and Plant Design

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 In the design of a shell and tube heat exchanger, the corrosion allowance

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 Maximum plate efficiency is achieved in case of __________ flow.

Process Equipment and Plant Design Movement of pipeline caused by thermal expansion is taken care by providing

Process Equipment and Plant Design In seive plate column, holes are drilled or punched in sizes ranging from 2.5 to 12 mm (5 mm being widely used). The hole pitch is normally __________ times the hole diameter to give the required hole area.

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
In the design of a shell and tube heat exchanger, the corrosion allowance

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
Maximum plate efficiency is achieved in case of __________ flow.

Process Equipment and Plant Design
Movement of pipeline caused by thermal expansion is taken care by providing

Process Equipment and Plant Design
In seive plate column, holes are drilled or punched in sizes ranging from 2.5 to 12 mm (5 mm being widely used). The hole pitch is normally __________ times the hole diameter to give the required hole area.