The critical speed of a trommel (N) is related to its dia (D) as
A. $${\text{N}} \propto \frac{1}{{\sqrt {\text{D}} }}$$
B. $${\text{N}} \propto \sqrt {\text{D}} $$
C. $${\text{N}} \propto {\text{D}}$$
D. $${\text{N}} \propto \frac{1}{{\text{D}}}$$
Answer: Option A
This Question Belongs to Chemical Engineering >> Mechanical Operations
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