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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the unit weight of dry earth soil given in the lecture?
💡 Hint: Refer to the section on unit weights.
Question 2
Easy
What is the average loading time for a scraper?
💡 Hint: Look for cycle time information.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the unit weight of dry earth soil?
- 1600 kg/m³
- 1700 kg/m³
- 1660 kg/m³
💡 Hint: Refer to the unit weight section.
Question 2
True or False: The swell factor for push-loaded scrapers is defaulted to increase by 10%.
- True
- False
💡 Hint: Consider the impact of additional pressure on the material.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A scraper has a heaped capacity of 30 m³. If loaded to 90% capacity with a swell factor of 0.85, what is the effective bank volume?
💡 Hint: Remember to apply the swell factor after calculating the load volume.
Question 2
If one pusher can support 5 scrapers, what should their combined cycle time for optimal efficiency be if each scraper cycles 8 minutes?
💡 Hint: Consider how cycle times overlap to maintain constant work.
Challenge and get performance evaluation