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: Option C
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Width and depth of grooves in the tube sheet holes normally are __________ inch respectively.
A. $$\frac{1}{8}$$ and $$\frac{1}{{64}}$$
B. $$\frac{1}{{64}}$$ and $$\frac{1}{8}$$
C. $$\frac{1}{2}$$ and 8
D. $$\frac{1}{2}$$ and 5
A. Less than
B. 1.25-1.50 times
C. 2.5 times
D. One-fourth of
Value of Peclet number = 0, is the representative of
A. Laminar flow
B. Complete back mixing
C. Plug flow
D. Eddy diffusivity = 0
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