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.

45

95

60

80

45

95

60

80

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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 to 1.5

2 to 2.5

0.5 to 1

1.5 to 2

1 to 1.5

2 to 2.5

0.5 to 1

1.5 to 2

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Process Equipment and Plant Design
With increase in gas flow rate to fabric surface area ratio (Nm³/hr/m² fabric surface area), the size & the cost of a bag filter

None of these

Decreases

Increases

Remain unaffected

None of these

Decreases

Increases

Remain unaffected

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Process Equipment and Plant Design
In case of a shell and tube heat exchanger, the minimum shell thickness for carbon steel (inclusive of corrosion allowance) depends on shell diameter and is in the range of __________ mm.

43895

44183

44058

43962

43895

44183

44058

43962

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Process Equipment and Plant Design
Pressure drop due to pipe fittings can be estimated by the equation, ΔP/p = 4f.Le/D.V2/2gc, where, Le = equivalent length of straight pipeline which will incur the same frictional loss as the fitting and D = diameter of the fitting. The value of Le/D (dimensionless) for 45° elbow and 180° close return bends would be respectively around

5 and 10

180 and 300

45 and 75

300 and 500

5 and 10

180 and 300

45 and 75

300 and 500

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Process Equipment and Plant Design
The normal range of velocity of steam in pipes is __________ m/sec.

10-20

80-100

1-5

0.1-0.5

10-20

80-100

1-5

0.1-0.5

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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 The ratio of down take area to cross-sectional area of the tube, for calendria type evaporator ranges from

Process Equipment and Plant Design With increase in gas flow rate to fabric surface area ratio (Nm³/hr/m² fabric surface area), the size & the cost of a bag filter

Process Equipment and Plant Design In case of a shell and tube heat exchanger, the minimum shell thickness for carbon steel (inclusive of corrosion allowance) depends on shell diameter and is in the range of __________ mm.

Process Equipment and Plant Design The normal range of velocity of steam in pipes is __________ m/sec.

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
The ratio of down take area to cross-sectional area of the tube, for calendria type evaporator ranges from

Process Equipment and Plant Design
With increase in gas flow rate to fabric surface area ratio (Nm³/hr/m² fabric surface area), the size & the cost of a bag filter

Process Equipment and Plant Design
In case of a shell and tube heat exchanger, the minimum shell thickness for carbon steel (inclusive of corrosion allowance) depends on shell diameter and is in the range of __________ mm.

Process Equipment and Plant Design
The normal range of velocity of steam in pipes is __________ m/sec.