A high vapour velocity is required for high plate efficiency in a seive plate coloumn. The satisfactory value of operating vapor velocity for design purpose in seive plate column is about __________ percent of the flooding velocity.

Process Equipment and Plant Design
A high vapour velocity is required for high plate efficiency in a seive plate coloumn. The satisfactory value of operating vapor velocity for design purpose in seive plate column is about __________ percent of the flooding velocity.

95

60

45

80

95

60

45

80

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Process Equipment and Plant Design
Log mean temperature difference in case of multi-pass shell and tube heat exchanger is always

Both B & C

Less than arithmetic mean value

More than arithmetic mean value

More than geometric mean value

Both B & C

Less than arithmetic mean value

More than arithmetic mean value

More than geometric mean value

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Process Equipment and Plant Design
Le/D for 90° elbow (medium radius) and 90°square elbow would be respectively around

250 and 600

100 and 250

25 and 60

3 and 5

250 and 600

100 and 250

25 and 60

3 and 5

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Process Equipment and Plant Design
The difficulty of liquid distribution in packed towers is accentuated, when the ratio of tower diameter to packing diameter is

> 7 < 15

< 30

< 7

> 20 < 50

> 7 < 15

< 30

< 7

> 20 < 50

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Process Equipment and Plant Design
Which of the following is the best tube material from thermal conductivity point of view alone?

Aluminium

Stainless steel

Copper

Carbon steel

Aluminium

Stainless steel

Copper

Carbon steel

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Process Equipment and Plant Design
For a given design of bubble cap, the number of bubble caps to be used per tray is set by the

Diameter of the column

Plate spacing

Allowable gas velocity through the slots

All of these

Diameter of the column

Plate spacing

Allowable gas velocity through the slots

All of these

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Process Equipment and Plant Design

Process Equipment and Plant Design A high vapour velocity is required for high plate efficiency in a seive plate coloumn. The satisfactory value of operating vapor velocity for design purpose in seive plate column is about __________ percent of the flooding velocity.

Process Equipment and Plant Design Log mean temperature difference in case of multi-pass shell and tube heat exchanger is always

Process Equipment and Plant Design Le/D for 90° elbow (medium radius) and 90°square elbow would be respectively around

Process Equipment and Plant Design The difficulty of liquid distribution in packed towers is accentuated, when the ratio of tower diameter to packing diameter is

Process Equipment and Plant Design Which of the following is the best tube material from thermal conductivity point of view alone?

Process Equipment and Plant Design For a given design of bubble cap, the number of bubble caps to be used per tray is set by the

Process Equipment and Plant Design
A high vapour velocity is required for high plate efficiency in a seive plate coloumn. The satisfactory value of operating vapor velocity for design purpose in seive plate column is about __________ percent of the flooding velocity.

Process Equipment and Plant Design
Log mean temperature difference in case of multi-pass shell and tube heat exchanger is always

Process Equipment and Plant Design
Le/D for 90° elbow (medium radius) and 90°square elbow would be respectively around

Process Equipment and Plant Design
The difficulty of liquid distribution in packed towers is accentuated, when the ratio of tower diameter to packing diameter is

Process Equipment and Plant Design
Which of the following is the best tube material from thermal conductivity point of view alone?

Process Equipment and Plant Design
For a given design of bubble cap, the number of bubble caps to be used per tray is set by the