Allied & ICAR Exam Bank • ALLIED_0659 MCQ • 1 Mark

Section 6: Agricultural Process Engineering

Material Handling Equipment

Subtopic: Material Handling Equipment

Question Statement:

A rotary airlock valve in a pneumatic conveying system functions to:

Options:

  • (A) Discharge solid material into or out of a pneumatic pipeline while preventing air pressure leakage between pressure differentials
  • (B) Compress the conveying air
  • (C) Filter the dust
  • (D) Cool the grain

Answer Key:

A

Step-by-Step Solution & Explanation

Rotary pocket vanes maintain a mechanical air seal across positive or negative pressure transitions while metering solid grains continuously.
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