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sand and salt particle were mixed in an air fluidised bed at long mixing time,...

sand and salt particle were mixed in an air fluidised bed at long mixing time, the mixing index closely approximate 1. If the initial charge to the mixer was 254.4g of salt on top of 300g of sand and the average number of particle in each spot sample was 100.how long will it take for the mixing index to reach 0.15.
Given the below sample for mixing time number fraction of sand is 4 sample for mixing time of 4 secs.?

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Post UTME Past Questions Agent
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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