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Knowledge
The chapter discusses the functionalities and classifications of scrapers, particularly emphasizing their role in earthmoving tasks. Key topics include operational mechanics, types of scrapers, and considerations for selecting appropriate machinery based on project requirements. The versatility of scrapers is highlighted through their capability for loading, hauling, and dumping across varying distances and materials.
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11 a.pdfClass Notes
Memorization
What we have learnt
- Scrapers are effective for ...
- The production cycle of scr...
- There are different types o...
Final Test
Revision Tests
What we have learnt
- Scrapers are effective for medium to long haul distances and can both load and haul materials.
- The production cycle of scrapers includes loading, hauling, turning, dumping, and returning.
- There are different types of scrapers, including pusher loaded and self loading varieties, each suited for specific applications.
Key Concepts
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Term: Scraper
Definition: A machine used for excavation, hauling, and dumping of earth over medium to long distances.
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Term: Pusher Loaded Scrapers
Definition: Scrapers that require assistance from another machine, such as a bulldozer, during the loading operation.
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Term: Self Loading Scrapers
Definition: Scrapers that can load materials on their own without assistance from other machines.
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Term: Cycle Time
Definition: The total time taken to complete a loading, hauling, dumping, and returning cycle.