Agricultural Engineering - Study Mode

Explanation

Solution: Step 1: In agricultural machinery, slip refers to the difference between the theoretical distance traveled by the implement and the actual distance covered on the field. Step 2: For a seed drill, the drive wheel rotates the metering mechanism which delivers seeds into the soil. Step 3: Due to soil resistance and field conditions, the drive wheel does not rotate exactly as per theoretical movement and tends to slip. Step 4: This slip is generally positive , meaning the actual distance covered is less than the theoretical distance. Final Answer: Seed drill has positive slip.