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Question: a portable belt conveyor is used to load sand from...

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A portable belt conveyor is used to load sand from a stockpile into trucks. The conveyor has a 30- in. wide belt that has a travel speed of 250 ft/min. The conveyor will load 12 CY dump trucks that will haul the sand 5 miles at an average travel speed of 25 mph. Assume a dump time of 2.5 min and an angle of repose of sand of 30°. Determine the number of trucks required to balance the production rate of the belt conveyor

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