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Process Equipment and Plant Design

Process Equipment and Plant Design
What is the value of 'q' for saturated vapor feed to a distillation column ?(where q = fraction of the feed stream that is liquid.)

> 1
1

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Process Equipment and Plant Design
Joint efficiency (J) for a seamless pipe is

0.85
1
1.2
< 0.5

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Process Equipment and Plant Design
Speed of the drum of the rotary vacuum filter normally ranges from __________ rpm.

8 to 15
5 to 7
3 to 8
0.1 to 2

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Process Equipment and Plant Design
Hole diameter of the seive trays in the distillation column ranges from __________ mm.

4 to 8
3 to 12.5
12.5 to 18.5
L to 3

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Process Equipment and Plant Design
Heat transfer co-efficient, hG(Kcal/hr.m² .°C) and mass velocity of air, G (kg/hr.m² ) for air flow parallel to the surface in case of constant drying rate in batch drying is related as hG = 0.0176G0.8. But when the flow of air perpendicular to the surface is encountered, this equation changes to

0.0176G1.37
HG = 1.004G0.37
HG = 0.0176G0.37
1.004G0.8

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Process Equipment and Plant Design
Minimum baffle spacing recommended in a shell and tube heat exchanger is equal to

I.D. of the shell
25 cms
40% of the I.D. of the shell
5 cms

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