2.2.1 - Back-Track Loading
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Practice Questions
Test your understanding with targeted questions
Define cycle time.
💡 Hint: Think about what actions a scraper performs in its operation.
What is fixed time?
💡 Hint: Consider the components of cycle time that remain constant.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does cycle time include?
💡 Hint: Think about all the operations that scrapers perform.
True or False: Fixed time is dependent on the distance travelled.
💡 Hint: Recall the definitions of fixed vs. variable time.
1 more question available
Challenge Problems
Push your limits with advanced challenges
A scraper has a load capacity of 20 m3. If it takes 3 minutes to go from 0 to 80% capacity and then the loading slows significantly, explain how you would adapt the loading approach.
💡 Hint: Think of the loading growth curve and its implications.
Calculate the expected cycle time of a scraper given varied haul distances and understand its impact on variable time.
💡 Hint: Explore calculations involving variable time elements.
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