3.2 - Lifting Capacity and Operating Radius
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 angle of swing?
💡 Hint: Think about the horizontal swing of the excavator's bucket.
Define cycle time.
💡 Hint: Consider how long it takes for the excavator to complete its task.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What effect does a swing angle greater than 90 degrees have on cycle time?
💡 Hint: Consider how distance affects travel time.
True or False: The ideally positioned truck adds no correction factor to productivity calculations.
💡 Hint: What is the ideal condition to remember?
Get performance evaluation
Challenge Problems
Push your limits with advanced challenges
If the ideal swing angle is maintained at 70 degrees while the height of cut is 3 meters and optimal height is 5 meters, determine the correction factor based on hypothetical values from a provided chart.
💡 Hint: Check the values provided in the textbook or table for specifics.
A shovel operates with a heaped bucket volume of 4 cubic meters and takes 30 seconds per cycle. If it works efficiently for 50 minutes, calculate its potential output using the given formula and considering an efficiency percentage.
💡 Hint: Remember to adjust the figure for the time worked effectively.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.