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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define the swell factor and its importance in scraper operations.
💡 Hint: Think about how volume changes when material is disturbed.
Question 2
Easy
What is cycle time?
💡 Hint: Consider all the stages of the operation.
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 swell factor?
- A measure of load weight
- The ratio of loose to bank dry unit weight
- Cycle time definition
💡 Hint: Think about how soil changes when disturbed.
Question 2
True or False: Rolling resistance is the same in all haul route conditions.
- True
- False
💡 Hint: Consider different surfaces and their effects.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Consider a scenario where the rolling resistance on a new haul path increases to 80 kg per ton. How would this change the effective speed and productivity of a scraper?
💡 Hint: Reflect on how resistance affects motion in machines.
Question 2
A scraper operating with a swell factor of 1.2 is loading a material with a unit weight of 1700 kg/m³. Calculate the volume in bank cubic meters.
💡 Hint: Use the definition of swell factor properly.
Challenge and get performance evaluation