When one of the fluids is highly corrosive and has fouling tendency, it should
A. Preferably flow inside the tube for its easier internal cleaning
B. Perferably flow outside the tube
C. Flow at a very slow velocity
D. Flow outside the tube, when the flow is counter-current and inside the tube when the flow is co-current
Answer: Option A
This Question Belongs to Chemical Engineering >> Process Equipment And Plant Design
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