Back-trapping in a distillation column results due to

Process Equipment and Plant Design
Back-trapping in a distillation column results due to

Low gas velocity

High gas velocity

Low reflux ratio

Excessive liquid gradient over the tray

Low gas velocity

High gas velocity

Low reflux ratio

Excessive liquid gradient over the tray

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Process Equipment and Plant Design
At the following point for a given packing and set of fluids, the pressure drop per metre of packed height, with variation in fluid rates and operating pressure

Increases

Decreases

May increase or decrease depending upon the solubility of the gas in the liquid

Remains same

Increases

Decreases

May increase or decrease depending upon the solubility of the gas in the liquid

Remains same

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Process Equipment and Plant Design
It is not desirable to design a heat exchanger for LMTD correction factor, FT, of less than

0.99

0.95

0.55

0.8

0.99

0.95

0.55

0.8

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Process Equipment and Plant Design
In the allocated cap area, bubble caps are generally arranged on equilateral triangular pitch. Number of caps fixed on a plate is with a

Clearance of 25-75 mm

Neither A nor B

Either A or B

Cap pitch of 1.3-2 times the cap diameter

Clearance of 25-75 mm

Neither A nor B

Either A or B

Cap pitch of 1.3-2 times the cap diameter

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Process Equipment and Plant Design
Pick out the wrong statement pertaining to 'Horton sphere' used for the storage of liquid ammonia.

Diameter of Horton sphere is normally 6 to 25 metres and it is supported by 6 to 12 nos. tubular or rolled section column

Horton sphere is used for the storage of gases and volatile liquid at a moderate pressure of 1 to 10 kg/cm²

Thickness of spherical shell is half that of the cylinderical vessel under same operating pressure condition. Besides, the ratio of surface area to volume is less for sphere than any other shape ; hen

Horton sphere is used for the storage of liquid at sub-zero temperature at very high pressure upto 200 kg/cm²

Diameter of Horton sphere is normally 6 to 25 metres and it is supported by 6 to 12 nos. tubular or rolled section column

Horton sphere is used for the storage of gases and volatile liquid at a moderate pressure of 1 to 10 kg/cm²

Thickness of spherical shell is half that of the cylinderical vessel under same operating pressure condition. Besides, the ratio of surface area to volume is less for sphere than any other shape ; hen

Horton sphere is used for the storage of liquid at sub-zero temperature at very high pressure upto 200 kg/cm²

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Process Equipment and Plant Design
In a multipass shell and tube heat exchanger, the shell side cross flow area does not depend upon

Clearance

Pitch

None of these

Baffle spacing

Clearance

Pitch

None of these

Baffle spacing

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Process Equipment and Plant Design

Process Equipment and Plant Design Back-trapping in a distillation column results due to

Process Equipment and Plant Design At the following point for a given packing and set of fluids, the pressure drop per metre of packed height, with variation in fluid rates and operating pressure

Process Equipment and Plant Design It is not desirable to design a heat exchanger for LMTD correction factor, FT, of less than

Process Equipment and Plant Design In the allocated cap area, bubble caps are generally arranged on equilateral triangular pitch. Number of caps fixed on a plate is with a

Process Equipment and Plant Design Pick out the wrong statement pertaining to 'Horton sphere' used for the storage of liquid ammonia.

Process Equipment and Plant Design In a multipass shell and tube heat exchanger, the shell side cross flow area does not depend upon

Process Equipment and Plant Design
Back-trapping in a distillation column results due to

Process Equipment and Plant Design
At the following point for a given packing and set of fluids, the pressure drop per metre of packed height, with variation in fluid rates and operating pressure

Process Equipment and Plant Design
It is not desirable to design a heat exchanger for LMTD correction factor, FT, of less than

Process Equipment and Plant Design
In the allocated cap area, bubble caps are generally arranged on equilateral triangular pitch. Number of caps fixed on a plate is with a

Process Equipment and Plant Design
Pick out the wrong statement pertaining to 'Horton sphere' used for the storage of liquid ammonia.

Process Equipment and Plant Design
In a multipass shell and tube heat exchanger, the shell side cross flow area does not depend upon