The wall thickness for a large high pressure pipeline is determined by the consideration of the

Process Equipment and Plant Design
The wall thickness for a large high pressure pipeline is determined by the consideration of the

Temperature stresses

Forces exerted by static and dynamic action at bends

Circumferential pipewall tension

Axial tensile stress in the pipe

Temperature stresses

Forces exerted by static and dynamic action at bends

Circumferential pipewall tension

Axial tensile stress in the pipe

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Process Equipment and Plant Design
Pick out the wrong statement pertaining to the design of the bubble cap tray of a distillation column to give stable operation and even vapour distribution.

The dimensionless ratio of liquid gradient to pressure drop head caused by the bubble cap assembly should be less than 0.4

The pressure drop due to the caps & slots and the static submergence should be as high as practicable for reasonable operation

None of these

Tendency towards stable operation is increased by increasing the skirt clearance of the caps, lowering the rate of liquid flow per unit plate width or increasing the spacing between the caps

The dimensionless ratio of liquid gradient to pressure drop head caused by the bubble cap assembly should be less than 0.4

The pressure drop due to the caps & slots and the static submergence should be as high as practicable for reasonable operation

None of these

Tendency towards stable operation is increased by increasing the skirt clearance of the caps, lowering the rate of liquid flow per unit plate width or increasing the spacing between the caps

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Process Equipment and Plant Design
The main purpose of providing stepping on the trays is to

Decrease the pressure drop

Improve the flow condition

Facilitate handling of large flow rate of liquid

Increase the residence time

Decrease the pressure drop

Improve the flow condition

Facilitate handling of large flow rate of liquid

Increase the residence time

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Process Equipment and Plant Design
For a cylinderical internally pressurised vessel, which of the following closure types would withstand highest pressure, if each closure is of the same material and thickness?

Hemispherical

Ellipsoidal (2 : 1)

Flat plate

Conical

Hemispherical

Ellipsoidal (2 : 1)

Flat plate

Conical

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Process Equipment and Plant Design
Fresh water carrying pipelines in chemical industries are coloured with __________ color.

Yellow

Sea green

Brown

Red

Yellow

Sea green

Brown

Red

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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

20-40

100-150

43835

1000-1500

20-40

100-150

43835

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Process Equipment and Plant Design

Process Equipment and Plant Design The wall thickness for a large high pressure pipeline is determined by the consideration of the

Process Equipment and Plant Design Pick out the wrong statement pertaining to the design of the bubble cap tray of a distillation column to give stable operation and even vapour distribution.

Process Equipment and Plant Design The main purpose of providing stepping on the trays is to

Process Equipment and Plant Design For a cylinderical internally pressurised vessel, which of the following closure types would withstand highest pressure, if each closure is of the same material and thickness?

Process Equipment and Plant Design Fresh water carrying pipelines in chemical industries are coloured with __________ color.

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
The wall thickness for a large high pressure pipeline is determined by the consideration of the

Process Equipment and Plant Design
Pick out the wrong statement pertaining to the design of the bubble cap tray of a distillation column to give stable operation and even vapour distribution.

Process Equipment and Plant Design
The main purpose of providing stepping on the trays is to

Process Equipment and Plant Design
For a cylinderical internally pressurised vessel, which of the following closure types would withstand highest pressure, if each closure is of the same material and thickness?

Process Equipment and Plant Design
Fresh water carrying pipelines in chemical industries are coloured with __________ color.

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.