Question

Normally, the ratio of the total riser area to the tower cross sectional area (for bubble cap towers of diameter more than 3 ft) is around

a.

0.4-0.6

b.

0.35-0.75

c.

0.1-0.2

d.

0.55-0.85

Answer: (c).0.1-0.2

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Q. Normally, the ratio of the total riser area to the tower cross sectional area (for bubble cap towers of diameter more than 3 ft) is around

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