Allied & ICAR Exam Bank • ALLIED_0652 NAT • 2 Marks

Section 6: Agricultural Process Engineering

Material Handling Equipment

Subtopic: Material Handling Equipment

Question Statement:

A bucket elevator has head pulley radius $r = 0.36\text{ m}$ ($\sqrt{r} = 0.60$). Taking $g = 9.81\text{ m/s}^2$, the critical speed $N_c$ in rpm is (rounded off to one decimal place):

Answer Key:

49.8

Step-by-Step Solution & Explanation

$N_c = 29.9 / 0.6 = 49.83\text{ rpm} \approx 49.8\text{ rpm}$.
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