Cylindrical storage tanks used for the storage of volatile liquids (e.g., naphtha) have __________ roofs.

Process Equipment and Plant Design
Cylindrical storage tanks used for the storage of volatile liquids (e.g., naphtha) have __________ roofs.

Flat

Fixed

Conical

Floating

Flat

Fixed

Conical

Floating

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Process Equipment and Plant Design
In case of plain carbon steel, butt welded joints are used for shell plate thickness ≤ __________ cms. .

1.2

3.8

0.5

6.8

1.2

3.8

0.5

6.8

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Process Equipment and Plant Design
Height of the flights in the rotary drier is in the range of

0.08 to 0.12 d

0.02 to 0.05 d

0.2 to 0.5 d

0.5 to 0.6 d

0.08 to 0.12 d

0.02 to 0.05 d

0.2 to 0.5 d

0.5 to 0.6 d

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Process Equipment and Plant Design
Pick out the wrong statement pertaining to 'Horton sphere' used for the storage of liquid ammonia.

Diameter of Horton sphere is normally 6 to 25 metres and it is supported by 6 to 12 nos. tubular or rolled section column

Thickness of spherical shell is half that of the cylinderical vessel under same operating pressure condition. Besides, the ratio of surface area to volume is less for sphere than any other shape ; hen

Horton sphere is used for the storage of liquid at sub-zero temperature at very high pressure upto 200 kg/cm²

Horton sphere is used for the storage of gases and volatile liquid at a moderate pressure of 1 to 10 kg/cm²

Diameter of Horton sphere is normally 6 to 25 metres and it is supported by 6 to 12 nos. tubular or rolled section column

Thickness of spherical shell is half that of the cylinderical vessel under same operating pressure condition. Besides, the ratio of surface area to volume is less for sphere than any other shape ; hen

Horton sphere is used for the storage of liquid at sub-zero temperature at very high pressure upto 200 kg/cm²

Horton sphere is used for the storage of gases and volatile liquid at a moderate pressure of 1 to 10 kg/cm²

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

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

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

Is economical in operation

Both B & C

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

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

Is economical in operation

Both B & C

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Process Equipment and Plant Design
Large process vessels operating under extreme temperature and pressure conditions are normally clad/ lined with materials like stainless steel, aluminium, nickel & its alloys, copper & its alloys and titanium. The cladding thickness is generally about __________ percent of the total thickness.

30 to 40

10 to 20

40 to 50

1 to 5

30 to 40

10 to 20

40 to 50

1 to 5

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Process Equipment and Plant Design

Process Equipment and Plant Design Cylindrical storage tanks used for the storage of volatile liquids (e.g., naphtha) have __________ roofs.

Process Equipment and Plant Design In case of plain carbon steel, butt welded joints are used for shell plate thickness ≤ __________ cms. .

Process Equipment and Plant Design Height of the flights in the rotary drier is in the range of

Process Equipment and Plant Design Pick out the wrong statement pertaining to 'Horton sphere' used for the storage of liquid ammonia.

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

Process Equipment and Plant Design
Cylindrical storage tanks used for the storage of volatile liquids (e.g., naphtha) have __________ roofs.

Process Equipment and Plant Design
In case of plain carbon steel, butt welded joints are used for shell plate thickness ≤ __________ cms. .

Process Equipment and Plant Design
Height of the flights in the rotary drier is in the range of

Process Equipment and Plant Design
Pick out the wrong statement pertaining to 'Horton sphere' used for the storage of liquid ammonia.

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