In case of a continuous distillation column, increase in reflux ratio may result in the

Process Equipment and Plant Design
In case of a continuous distillation column, increase in reflux ratio may result in the

Lower fixed charges for the column

Greater cost for the condenser coolant

Greater cost for the reboiler heat supply

All of these

Lower fixed charges for the column

Greater cost for the condenser coolant

Greater cost for the reboiler heat supply

All of these

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Process Equipment and Plant Design
The units of Young's modulus of elasticity and __________ are the same.

None of these

Strain

Modular ratio

Stress

None of these

Strain

Modular ratio

Stress

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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

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

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Process Equipment and Plant Design
For high pressure process equipments/vessels, the connected nozzle should be

Flanged

Screwed

Welded

Brazed

Flanged

Screwed

Welded

Brazed

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Process Equipment and Plant Design
For laminar flow (NRe < 2100) in steel pipe, the optimum inside pipe diameter is given by

Di, opt = 3 Q0.36 . ρ1.86 μ0.08

Di, opt = 7.6 Q0.36 . ρ0.9

Di, opt = 3 Q0.36 ρ0.18

Di, opt = 3.9 Q0.45 . ρ0.23

Di, opt = 3 Q0.36 . ρ1.86 μ0.08

Di, opt = 7.6 Q0.36 . ρ0.9

Di, opt = 3 Q0.36 ρ0.18

Di, opt = 3.9 Q0.45 . ρ0.23

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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)

None of these

D₂ - D₁

(D₂² - D₁²)/D₂²

(D₂² - D₁²)/D₁²

None of these

D₂ - D₁

(D₂² - D₁²)/D₂²

(D₂² - D₁²)/D₁²

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Process Equipment and Plant Design

Process Equipment and Plant Design In case of a continuous distillation column, increase in reflux ratio may result in the

Process Equipment and Plant Design The units of Young's modulus of elasticity and __________ are the same.

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 For high pressure process equipments/vessels, the connected nozzle should be

Process Equipment and Plant Design For laminar flow (NRe < 2100) in steel pipe, the optimum inside pipe diameter is given by

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
In case of a continuous distillation column, increase in reflux ratio may result in the

Process Equipment and Plant Design
The units of Young's modulus of elasticity and __________ are the same.

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
For high pressure process equipments/vessels, the connected nozzle should be

Process Equipment and Plant Design
For laminar flow (NRe < 2100) in steel pipe, the optimum inside pipe diameter is given by

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)