For a cylinderical vessel of moderate height, the weld joint efficiency for joints parallel to the cylinderical axis is given as 1.0, while for joints along the girth (circumference) it is given as 0.8. In calculating the shell wall thickness using code formula for an internally pressurised cylinderical vessel, what value of weld joint efficiency should be used?

Process Equipment and Plant Design
For a cylinderical vessel of moderate height, the weld joint efficiency for joints parallel to the cylinderical axis is given as 1.0, while for joints along the girth (circumference) it is given as 0.8. In calculating the shell wall thickness using code formula for an internally pressurised cylinderical vessel, what value of weld joint efficiency should be used?

0.8

(0.8)0.5

0.9

1

0.8

(0.8)0.5

0.9

1

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Process Equipment and Plant Design
Equivalent diameter for heat transfer calculation for a duct of square cross-section having each side as 'd' will be

√(2πd)

√d

√(2d)

D

√(2πd)

√d

√(2d)

D

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

12.5 to 18.5

3 to 12.5

4 to 8

L to 3

12.5 to 18.5

3 to 12.5

4 to 8

L to 3

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Process Equipment and Plant Design
Rotary driers are most economically designed for the number of heat transfer units (HTU) from

1.5 to 2.5

5 to 10

0.01 to 1

10 to 20

1.5 to 2.5

5 to 10

0.01 to 1

10 to 20

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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?

Flat plate

Ellipsoidal (2 : 1)

Conical

Hemispherical

Flat plate

Ellipsoidal (2 : 1)

Conical

Hemispherical

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Process Equipment and Plant Design
__________ liquor is best handled in a long tube vertical evaporator.

Viscous

Salting

Foamy

Scaling

Viscous

Salting

Foamy

Scaling

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Process Equipment and Plant Design

Process Equipment and Plant Design Equivalent diameter for heat transfer calculation for a duct of square cross-section having each side as 'd' will be

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

Process Equipment and Plant Design Rotary driers are most economically designed for the number of heat transfer units (HTU) from

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 __________ liquor is best handled in a long tube vertical evaporator.

Process Equipment and Plant Design
Equivalent diameter for heat transfer calculation for a duct of square cross-section having each side as 'd' will be

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

Process Equipment and Plant Design
Rotary driers are most economically designed for the number of heat transfer units (HTU) from

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
__________ liquor is best handled in a long tube vertical evaporator.