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2 cards from this section. Quick, good the night before a test.
What are the two main components that divide cycle time?
Think about what components remain constant and which ones change.
How long is the average loading time for common earth?
Consider common values stated for normal earth loading.
What formula represents the cycle time for scrapers?
Remember the components we've discussed!
True or False: Loading a scraper to its maximum capacity always enhances its efficiency.
Think about how resistance plays a role when too much material is present.
You are analyzing a construction site with a total distance of 400 meters for haul and a machine speed of 20 meters/minute. Calculate the haul time. If the machine faces an unexpected incline which reduces its speed by half, recalculate the new haul time.
Use speed = distance/time.
If a scraper has a loading time of 0.6 minutes, dump time of 0.5 minutes, and turning time of 0.25 minutes, how much time would it take for 4 complete cycles assuming the haul time remains constant at 3 minutes?
Remember to add each component of the cycle for calculating the overall cycle time.
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