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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does rimpull refer to?
💡 Hint: Think about the wheeled machines and their power.
Question 2
Easy
What is the coefficient of traction?
💡 Hint: Consider how well a machine can grip the ground.
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
The maximum usable rimpull depends on which of the following factors?
- Weight on powered wheels
- Machine Color
- Engine Size
💡 Hint: Think about what allows a machine to provide effective pulling force.
Question 2
True or False: The more scrapers used in a project will always improve productivity.
- True
- False
💡 Hint: Consider the dynamics between scrapers and pushers in operations.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A project manager considers using different numbers of scrapers ranging from 4 to 7 with pushers always at one. Calculate expected productivity for each case and determine the best choice.
💡 Hint: Make sure to factor in efficiency and each specific scraper's cycle time.
Question 2
A scraper operates at various altitudes. Calculate the adjusted rimpull if it starts at sea level and rises to 1200 meters.
💡 Hint: Work through the altitude increments methodically, keeping track of performance drops.
Challenge and get performance evaluation