Discussion
A belt carries a load of cross-sectional area \( 0.045 \) m\(^2\) at \( 1.6 \) m/s with a bulk density of \( 750 \) kg/m\(^3\). Its capacity is
Answer: A
The volumetric rate is \( 0.045 \times 1.6 = 0.072 \) m\(^3\)/s, and multiplying by density gives \( 54 \) kg/s, or \( 194 \) tonnes an hour. Capacity depends on the load area and the speed, not on the length of the run.
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