WAEC Agricultural Science 2002 Question 22

Question 22

Farm Machinery and Mechanisation

The daily maintenance practice carried out on a disc harrow is

  1. A.changing the disc
  2. B.cleaning the soil off the disc
  3. C.smearing the disc with oil
  4. D.sharpening the edges of its scraper
Show the answer and explanation

Answer: B (cleaning the soil off the disc)

Explanation

After each day's use the soil is cleaned off the discs to prevent rust.