Allied & ICAR Exam Bank • ALLIED_0639 NAT • 2 Marks

Section 6: Agricultural Process Engineering

Mechanical Separation and Cleaning

Subtopic: Mechanical Separation and Cleaning

Question Statement:

In a seed cleaning screen, total feed is $F = 100\text{ kg/h}$ containing $20\text{ kg/h}$ of oversized impurities. The scalping screen removes $18\text{ kg/h}$ of impurities. The screening recovery efficiency $(18 / 20) \times 100$ in percent is:

Answer Key:

90

Step-by-Step Solution & Explanation

Efficiency $= (18 / 20) \times 100 = 90.0\%$.
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