Find the time needed to complete a filling and emptying cycle for MSW collection

Question

Find the time needed to complete a filling and emptying cycle for MSW collection truck serving a residential area with the following characteristics: Truck volume 25 m^3; Truck compaction ratio 1:2; Two 60 gallons containers each location 80% full; MSW is collected two times per week; Pick up 95 seconds; Truck spends 30 minutes at the disposal site. Assume density of 225 lbs/yd^3 for fresh and 450 lbs/yd^3 for compacted MSW.

a. 6 hours

b. 9 hours

c. 3.8 hours

d. none of the above

Please show work to correct answer for rate.

Explanation / Answer

Answer is Option B

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