Allied & ICAR Exam Bank • ALLIED_1124 MCQ • 1 Mark

Section 3: Farm Power

Farm Power

Subtopic: Air Cleaners

Question Statement:

In an oil-bath air cleaner of an agricultural tractor, the primary separation of coarse dust particles is achieved by:

Options:

  • (A) Abrupt 180-degree reversal of high-velocity airflow over the oil surface
  • (B) Paper micro-pleated elements
  • (C) Electrostatic precipitator grid
  • (D) Activated carbon sorption

Answer Key:

A

Step-by-Step Solution & Explanation

Inlet air is driven down a central tube at high velocity and abruptly reverses direction over the oil pool; heavy dust particles cannot execute the sharp turn due to inertia and impinge directly into the oil.
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