Question:

The cleaner used for cleaning, grading and separation of agricultural granular materials is

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Vibratory screens are commonly used for cleaning and grading granular agricultural materials.
  • Vibratory screen
  • Ideal screen
  • Horizontal screen
  • Rotary screen
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The Correct Option is A

Solution and Explanation

Concept:
Cleaning and grading of agricultural granular materials are done by separating particles according to size, shape, and other physical properties.

Step 1:
Agricultural grains contain impurities such as dust, stones, broken grains, straw pieces, and other foreign materials.

Step 2:
Screening is an important method used for separating grains according to size.

Step 3:
A vibratory screen vibrates continuously and allows smaller particles to pass through the openings.

Step 4:
Larger particles are retained on the screen surface and are separated.

Step 5:
Hence, vibratory screen is used for cleaning, grading and separation of agricultural granular materials. \[ \boxed{\text{Vibratory screen}} \]
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