The operating velocity in the absorption tower is usually 40-50% of the flooding velocity. Packed absorption towers are normally designed for a pressure drop of about __________ mm of water column per metre height of packing.

Process Equipment and Plant Design
The operating velocity in the absorption tower is usually 40-50% of the flooding velocity. Packed absorption towers are normally designed for a pressure drop of about __________ mm of water column per metre height of packing.

1000-1500

100-150

20-40

43835

1000-1500

100-150

20-40

43835

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Process Equipment and Plant Design
In a __________ rivetted joint, the rivets in the various rows are opposite to each other.

Diamond

None of these

Chain

Zig-zag

Diamond

None of these

Chain

Zig-zag

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Process Equipment and Plant Design
Lessing ring is formed by the addition of a partition across the centre of a raschig ring, which results in an area increase of about __________ percent.

20

35

55

5

20

35

55

5

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Process Equipment and Plant Design
A forced circulation long tube vertical evaporator as compared to the natural circulation evaporator

Is economical in operation

Both B & C

Employs a centrifugal pump placed between external downtake from vapor drum and inlet to tube bundle

Employs high velocity, high heat transfer rate and less heating surface requirement

Is economical in operation

Both B & C

Employs a centrifugal pump placed between external downtake from vapor drum and inlet to tube bundle

Employs high velocity, high heat transfer rate and less heating surface requirement

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

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

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

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Process Equipment and Plant Design
A 'rupture disc' is provided in chemical equipments as an accessory meant for

Avoiding vortex formation

Creating turbulence

Enhancing mixing rate

Relieving excess pressure

Avoiding vortex formation

Creating turbulence

Enhancing mixing rate

Relieving excess pressure

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Process Equipment and Plant Design

Process Equipment and Plant Design The operating velocity in the absorption tower is usually 40-50% of the flooding velocity. Packed absorption towers are normally designed for a pressure drop of about __________ mm of water column per metre height of packing.

Process Equipment and Plant Design In a __________ rivetted joint, the rivets in the various rows are opposite to each other.

Process Equipment and Plant Design Lessing ring is formed by the addition of a partition across the centre of a raschig ring, which results in an area increase of about __________ percent.

Process Equipment and Plant Design A forced circulation long tube vertical evaporator as compared to the natural circulation evaporator

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

Process Equipment and Plant Design A 'rupture disc' is provided in chemical equipments as an accessory meant for

Process Equipment and Plant Design
The operating velocity in the absorption tower is usually 40-50% of the flooding velocity. Packed absorption towers are normally designed for a pressure drop of about __________ mm of water column per metre height of packing.

Process Equipment and Plant Design
In a __________ rivetted joint, the rivets in the various rows are opposite to each other.

Process Equipment and Plant Design
Lessing ring is formed by the addition of a partition across the centre of a raschig ring, which results in an area increase of about __________ percent.

Process Equipment and Plant Design
A forced circulation long tube vertical evaporator as compared to the natural circulation evaporator

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

Process Equipment and Plant Design
A 'rupture disc' is provided in chemical equipments as an accessory meant for