Multiple choice

The most commonly used belts are made of

  1. rubber

  2. kirmich

  3. leather

  4. cotton thread
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Historically, leather has been the most common material for power transmission belts in agricultural machinery due to its durability, flexibility, and high coefficient of friction. While rubber is common today, leather remains the classic answer in traditional agricultural engineering contexts.

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