An operator is using a tilt bucket on an excavator to create a finished slope for a new drainage ditch. The design calls for a consistent 2:1 slope. What is the most effective technique to achieve this precise grade?

Question: An operator is using a tilt bucket on an excavator to create a finished slope for a new drainage ditch. The design calls for a consistent 2:1 slope. What is the most effective technique to achieve this precise grade?

Answer options:

• Continuously adjusting the tilt angle of the bucket with each pass while visually estimating the slope. ✅ Setting the tilt bucket to the desired angle (approximately 26.6 degrees for a 2:1 slope) and maintaining it, using the blade edge as a guide.
• Making deep cuts with a standard bucket first, then using the tilt bucket to smooth out high spots.
• Relying solely on GPS machine control without manually checking the bucket angle.

Correct answer: Setting the tilt bucket to the desired angle (approximately 26.6 degrees for a 2:1 slope) and maintaining it, using the blade edge as a guide.

Explanation: For precise slope finishing with a tilt bucket, the most effective technique is to set the bucket to the required angle (e.g., 26.6 degrees for a 2:1 slope) and maintain that angle, using the bucket's blade edge as a consistent guide. This ensures a uniform slope. Continuously adjusting or making deep cuts first would lead to inconsistencies.