__________ closure is the weakest enclosure for cylindrical vessels.

Process Equipment and Plant Design
__________ closure is the weakest enclosure for cylindrical vessels.

Elliptical

Torispherical

Hemispherical

Conical or flat plate

Elliptical

Torispherical

Hemispherical

Conical or flat plate

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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.

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

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

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

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

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

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

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

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Process Equipment and Plant Design
__________ of water makes it a widely used coolant in heat exchangers.

High specific heat

Low corrosiveness

Low dirt factor

Low viscosity

High specific heat

Low corrosiveness

Low dirt factor

Low viscosity

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Process Equipment and Plant Design
Nominal size of a pipe is an indication of its __________ diameter.

None of these

Outer

Inner

Approximate

None of these

Outer

Inner

Approximate

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Process Equipment and Plant Design
The thickness of segmental baffles (25 -35% cut truncated plates usually) is generally __________ the tube wall thickness.

Equal to

Twice

Four times

Half

Equal to

Twice

Four times

Half

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Process Equipment and Plant Design
In a double pipe concentric heat exchanger, the equivalent diameter of annulus for heat transfer would be (where, D₁ and D₂ are I.D. of inner and outer pipes)

(D₂² - D₁²)/D₂²

None of these

D₂ - D₁

(D₂² - D₁²)/D₁²

(D₂² - D₁²)/D₂²

None of these

D₂ - D₁

(D₂² - D₁²)/D₁²

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Process Equipment and Plant Design

Process Equipment and Plant Design __________ closure is the weakest enclosure for cylindrical vessels.

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 __________ of water makes it a widely used coolant in heat exchangers.

Process Equipment and Plant Design Nominal size of a pipe is an indication of its __________ diameter.

Process Equipment and Plant Design The thickness of segmental baffles (25 -35% cut truncated plates usually) is generally __________ the tube wall thickness.

Process Equipment and Plant Design In a double pipe concentric heat exchanger, the equivalent diameter of annulus for heat transfer would be (where, D₁ and D₂ are I.D. of inner and outer pipes)

Process Equipment and Plant Design
__________ closure is the weakest enclosure for cylindrical vessels.

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
__________ of water makes it a widely used coolant in heat exchangers.

Process Equipment and Plant Design
Nominal size of a pipe is an indication of its __________ diameter.

Process Equipment and Plant Design
The thickness of segmental baffles (25 -35% cut truncated plates usually) is generally __________ the tube wall thickness.

Process Equipment and Plant Design
In a double pipe concentric heat exchanger, the equivalent diameter of annulus for heat transfer would be (where, D₁ and D₂ are I.D. of inner and outer pipes)