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Process Equipment and Plant Design

Process Equipment and Plant Design
The slope of operating line in the rectifying section of a distillation column is unity, if the reflux ratio is

∞
0
Minimum
1

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Process Equipment and Plant Design
Normally, the plate thickness of the bottoms and roofs of vertically cylindrical storage vessels as compared to that of the cylindrical shell is

Less
Same
More
More or less depending upon the pressure & temperature inside the vessel and the nature of the fluid contained therein

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Process Equipment and Plant Design
Hold up of material in a operating rotary drier is in the range of

0.5 to 0.8
0.05 to 0.15
0.8 to 0.9
0.25 to 0.50

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Process Equipment and Plant Design
Power required for agitation depends upon the

Agitator type & speed of agitation
Size of agitator & the tank
All of these
Height & properties of the liquid

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Process Equipment and Plant Design
Cooling water fouling factors vary in the range of 0.001 to 0.003

(W/m².°K)⁻¹
(kcal/hr. m. °C)⁻¹
(BTU/hr.ft² . °F)⁻¹
(kcal/hr.m² .°C)⁻¹

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Process Equipment and Plant Design
Wall thickness of schedule 40 pipe as compared to that of schedule 80 pipe is

Cither A or B; depends upon the I.D. of the pipe
Less
More
Same

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