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Process Equipment and Plant Design

Process Equipment and Plant Design
The equivalent diameter for fluid flow through a channel of constant non-circular cross section of area 'A' is given by (where, P = perimeter of the channel in contact with the fluid)

√A
4 P/A
A/P
4 A/P

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Process Equipment and Plant Design
With increase in the number of shell passes, the value of FT

Increases
Remains same, only if the number of tube passes does not change
Remains same
Decreases

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Process Equipment and Plant Design
In case of a shell and tube heat exchanger, the effect of L/D on inside film heat transfer co-efficient (hi) vanishes after a Reynold number of

5000
1000
3000
10000

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Process Equipment and Plant Design
Reflux ratio variation in a distillation column is between

Minimum and infinity
Zero and infinity
Zero and one
None of these

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Process Equipment and Plant Design
If 'D' is the inside diameter of the shell of a shell and tube heat exchanger, then the baffle spacing is usually in the range of

D/5 or minimum 2" to 5D
None of these
D/5 or minimum 2" to D
D/2 or minimum 2" to 5D

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Process Equipment and Plant Design
Steam side heat transfer co-efficient for design consideration under ordinary condition can be assumed to be about __________ kcal/hr.m².°C.

2500
7500
15000
1250

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