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
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?

Conical

Ellipsoidal (2 : 1)

Hemispherical

Flat plate

Conical

Ellipsoidal (2 : 1)

Hemispherical

Flat plate

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Process Equipment and Plant Design
A claming section before the liquid flows into the downcomer is privided to

Cool the liquid before it flows down

Reduce the discharge fluctuation

Permit release of entrained vapour in the liquid

Ensure better vapour-liquid contact

Cool the liquid before it flows down

Reduce the discharge fluctuation

Permit release of entrained vapour in the liquid

Ensure better vapour-liquid contact

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Process Equipment and Plant Design
With increase in the number of shell passes, the value of FT

Decreases

Increases

Remains same, only if the number of tube passes does not change

Remains same

Decreases

Increases

Remains same, only if the number of tube passes does not change

Remains same

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Process Equipment and Plant Design
Pick out the wrong statement pertaining to the comparative evaluation of performance of the packed tower and the plate tower.

The total weight of a dry plate tower is usually much more than that of a dry packed tower designed for the same duty

Plate tower is preferred over packed tower, if the operation involves liquids containing dispersed solids

In operations involving large temperature changes. (e.g. distillation), plate towers are preferred over packed towers as the packing may be crushed due to large temperature changes

Plate tower is perferred, if interstage cooling is required to remove heats of reaction or solution

The total weight of a dry plate tower is usually much more than that of a dry packed tower designed for the same duty

Plate tower is preferred over packed tower, if the operation involves liquids containing dispersed solids

In operations involving large temperature changes. (e.g. distillation), plate towers are preferred over packed towers as the packing may be crushed due to large temperature changes

Plate tower is perferred, if interstage cooling is required to remove heats of reaction or solution

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Process Equipment and Plant Design
In a vertical short tube evaporator (Calendria type), the

Tube dia of 2.5-7.5 cms, tube length of 75-200 cms and cylinderical drum dia of 1-6 metres are normally used

Area of central downtake is equal to 40 to 100% of total cross-sectional area of the surrounding tube

All of these

Liquor is inside the tube while the steam is outside the tube

Tube dia of 2.5-7.5 cms, tube length of 75-200 cms and cylinderical drum dia of 1-6 metres are normally used

Area of central downtake is equal to 40 to 100% of total cross-sectional area of the surrounding tube

All of these

Liquor is inside the tube while the steam is outside the tube

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Process Equipment and Plant Design
The equivalent diameter for fluid flow through a channel of constant non-circular cross section of area 'A' is given by (where, P = perimeter of the channel in contact with the fluid)

√A

A/P

4 A/P

4 P/A

√A

A/P

4 A/P

4 P/A

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Process Equipment and Plant Design

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 A claming section before the liquid flows into the downcomer is privided to

Process Equipment and Plant Design With increase in the number of shell passes, the value of FT

Process Equipment and Plant Design Pick out the wrong statement pertaining to the comparative evaluation of performance of the packed tower and the plate tower.

Process Equipment and Plant Design In a vertical short tube evaporator (Calendria type), the

Process Equipment and Plant Design The equivalent diameter for fluid flow through a channel of constant non-circular cross section of area 'A' is given by (where, P = perimeter of the channel in contact with the fluid)

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
A claming section before the liquid flows into the downcomer is privided to

Process Equipment and Plant Design
With increase in the number of shell passes, the value of FT

Process Equipment and Plant Design
Pick out the wrong statement pertaining to the comparative evaluation of performance of the packed tower and the plate tower.

Process Equipment and Plant Design
In a vertical short tube evaporator (Calendria type), the

Process Equipment and Plant Design
The equivalent diameter for fluid flow through a channel of constant non-circular cross section of area 'A' is given by (where, P = perimeter of the channel in contact with the fluid)