Allied & ICAR Exam Bank • ALLIED_0665 MCQ • 1 Mark

Section 6: Agricultural Process Engineering

Material Handling Equipment

Subtopic: Material Handling Equipment

Question Statement:

For inclined screw conveyors elevating granular agricultural grain at angles above $20^\circ$:

Options:

  • (A) Volumetric capacity drops sharply due to internal grain backsliding and gravitational fallback in the trough
  • (B) Capacity increases linearly
  • (C) Power requirement drops to zero
  • (D) Speed must be decreased

Answer Key:

A

Step-by-Step Solution & Explanation

Gravitational fallback reduces conveying efficiency on steep inclines ($45^\circ$ incline retains only $\sim 50\%$ of horizontal capacity).
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