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.

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.

1 to 5

40 to 50

30 to 40

10 to 20

1 to 5

40 to 50

30 to 40

10 to 20

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Process Equipment and Plant Design
Bubble cap tray is the most commonly used tray in large distillation column, because

Of its flexibility and nearly constant efficiency under varying conditions of operation

None of these

It eliminates the foaming and entrain-ment tendency during operation

It incurs less pressure drop as compared to any other try designed for the same duty

Of its flexibility and nearly constant efficiency under varying conditions of operation

None of these

It eliminates the foaming and entrain-ment tendency during operation

It incurs less pressure drop as compared to any other try designed for the same duty

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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

5

55

35

20

5

55

35

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Process Equipment and Plant Design
In a thin cylindrical shell, the hoop stress is __________ stress.

Compressive

Radial

Longitudinal

Circumferential tensile

Compressive

Radial

Longitudinal

Circumferential tensile

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Process Equipment and Plant Design
In a multiple effect evaporator system having 'n' effects, the amount of water evaporated per unit surface area in approximately equal to __________ times that in a single effect.

0.5 nth

nth

(1/n)th

1.5 nth

0.5 nth

nth

(1/n)th

1.5 nth

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Process Equipment and Plant Design
Of the pressure vessels, with same thickness but different diameters, which one withstands higher pressure?

Smaller dia vessel

Larger dia long vessel

Larger dia vessel

Strength of the vessel is same irrespective of the diameter

Smaller dia vessel

Larger dia long vessel

Larger dia vessel

Strength of the vessel is same irrespective of the diameter

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Process Equipment and Plant Design

Process Equipment and Plant Design Bubble cap tray is the most commonly used tray in large distillation column, because

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 In a thin cylindrical shell, the hoop stress is __________ stress.

Process Equipment and Plant Design In a multiple effect evaporator system having 'n' effects, the amount of water evaporated per unit surface area in approximately equal to __________ times that in a single effect.

Process Equipment and Plant Design Of the pressure vessels, with same thickness but different diameters, which one withstands higher pressure?

Process Equipment and Plant Design
Bubble cap tray is the most commonly used tray in large distillation column, because

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
In a thin cylindrical shell, the hoop stress is __________ stress.

Process Equipment and Plant Design
In a multiple effect evaporator system having 'n' effects, the amount of water evaporated per unit surface area in approximately equal to __________ times that in a single effect.

Process Equipment and Plant Design
Of the pressure vessels, with same thickness but different diameters, which one withstands higher pressure?