Smaller sized packings are generally dumped to the packed columns, and the large ones of size greater than __________ mm are stacked individually, which provides better control over bed porosity and offers lower gas pressure drop.

Process Equipment and Plant Design
Smaller sized packings are generally dumped to the packed columns, and the large ones of size greater than __________ mm are stacked individually, which provides better control over bed porosity and offers lower gas pressure drop.

75

50

150

25

75

50

150

25

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Process Equipment and Plant Design
Floating head heat exchangers are used for the

Counter-current heat transfer systems

Heat transfer between corrosive fluids

Co-current heat transfer systems

Cases where temperature difference between the shell and the tubes is more (>50°C)

Counter-current heat transfer systems

Heat transfer between corrosive fluids

Co-current heat transfer systems

Cases where temperature difference between the shell and the tubes is more (>50°C)

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Process Equipment and Plant Design
The ratio of down take area to cross-sectional area of the tube, for calendria type evaporator ranges from

1.5 to 2

2 to 2.5

0.5 to 1

1 to 1.5

1.5 to 2

2 to 2.5

0.5 to 1

1 to 1.5

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Process Equipment and Plant Design
Bracket supports are the most suitable for supporting __________ vessels.

Horizontal

Thin shperical (e.g. Horton sphere)

None of these

Thick walled vertical

Horizontal

Thin shperical (e.g. Horton sphere)

None of these

Thick walled vertical

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

Greater cost for the condenser coolant

All of these

Greater cost for the reboiler heat supply

Lower fixed charges for the column

Greater cost for the condenser coolant

All of these

Greater cost for the reboiler heat supply

Lower fixed charges for the column

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Process Equipment and Plant Design
The circumferential (hoop) stress in a thin walled cylinderical vessel under internal pressure is

pd/t

pd/2t

pd/4t

pd/3t

pd/t

pd/2t

pd/4t

pd/3t

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Process Equipment and Plant Design

Process Equipment and Plant Design Smaller sized packings are generally dumped to the packed columns, and the large ones of size greater than __________ mm are stacked individually, which provides better control over bed porosity and offers lower gas pressure drop.

Process Equipment and Plant Design Floating head heat exchangers are used for the

Process Equipment and Plant Design The ratio of down take area to cross-sectional area of the tube, for calendria type evaporator ranges from

Process Equipment and Plant Design Bracket supports are the most suitable for supporting __________ vessels.

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 circumferential (hoop) stress in a thin walled cylinderical vessel under internal pressure is

Process Equipment and Plant Design
Smaller sized packings are generally dumped to the packed columns, and the large ones of size greater than __________ mm are stacked individually, which provides better control over bed porosity and offers lower gas pressure drop.

Process Equipment and Plant Design
Floating head heat exchangers are used for the

Process Equipment and Plant Design
The ratio of down take area to cross-sectional area of the tube, for calendria type evaporator ranges from

Process Equipment and Plant Design
Bracket supports are the most suitable for supporting __________ vessels.

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 circumferential (hoop) stress in a thin walled cylinderical vessel under internal pressure is