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Process Equipment and Plant Design

Process Equipment and Plant Design
In the design of a bag filter, the gas temperature is an important consideration, as it affects the

Fibre selection
All of these
Gas viscosity
Gas density

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Process Equipment and Plant Design
Tube wall thickness depends on the cor-rosiveness of the fluids and their operating pressure & temperature and is specified by Birmingham wire gauge (B.W.G)-a number which varies from 8 to 18 with the numbers 14 and 16 being more commonly used. Outside diameter of tubes varies from about 15 to 50 mm; however a tube of less than __________ mm outside diameter is generally not recommended for fouling fluids.

38
28
16
19

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Process Equipment and Plant Design
In case of bubble cap distillation column of diameter greater than 1.2 metres, the cap diameter is roughly about __________ cms.

35
30
20
10

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Process Equipment and Plant Design
The diameter of a propeller agitator used in agitation tank ranges from __________ percent of the tank diameter and its peripherial speed is normally 300 to 500 metres/minute.

15 to 30
55 to 75
5 to 10
40 to 50

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Process Equipment and Plant Design
Accidents in chemical plants are mostly due to

Faulty operating procedures
Improper layout of the equipments
Inadequate equipment design
Failure of equipments

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Process Equipment and Plant Design
Typical static submergence for bubble cap plate column operating at atmospheric pressure may be around

50% of the plate spacing
2.5"
5"
0.5"

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