Professional Courses
Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Categories
Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
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 related to the topic.
Question 1
Easy
What is rimpull?
💡 Hint: Think of it as the pulling strength of the machine.
Question 2
Easy
How is the productivity of a scraper calculated?
💡 Hint: Remember the formula includes the number of scrapers and their efficiencies.
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 productivity rate achieved with five scrapers?
- 636.89 bank cubic meters/hour
- 723.36 bank cubic meters/hour
- 500 bank cubic meters/hour
💡 Hint: Review the production calculations from the section.
Question 2
Is rimpull essential for the performance of a scraper?
- True
- False
💡 Hint: Think about the forces involved in scraper operation.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Calculate the maximum usable rimpull for a scraper with a gross weight of 80,000 kg and a coefficient of traction of 0.6. Assume 50% weight on powered wheels.
💡 Hint: Be sure to calculate the weight on the drive wheels before determining usable rimpull.
Question 2
If a scraper can produce 700 bank cubic meters/hour and the cost per unit is ₹50, what would be the total cost of moving 1,400 bank cubic meters?
💡 Hint: Think about how to correlate total volume with cost.
Challenge and get performance evaluation