4.2 - Techniques for Reducing Rolling Resistance
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Practice Questions
Test your understanding with targeted questions
What is the production rate for 5 scrapers if each has a bowl volume of 19.82 bank cubic meters?
💡 Hint: Use the production formula provided.
Define unit production cost.
💡 Hint: Think about costs divided by production.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the production rate with 5 scrapers?
💡 Hint: Refer back to the production formula.
True or False: More scrapers guarantee lower production costs.
💡 Hint: Consider the examples of costs in variations.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Given that the cycle time for a scraper is 7.78 minutes and efficiency is 50 minutes, calculate the production for 5 scrapers and discuss why efficiency matters.
💡 Hint: Use the efficiency factor to understand its impact on overall productivity.
Analyze the trade-off between increasing the number of scrapers and cost increase per bank cubic meter. What is your recommendation?
💡 Hint: Consider both production benefits and economic factors.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.