1. Determine the time required to complete a filling and emptying cycle for a refuse collection vehicle serving a residential area if the following conditions pertain: Truck volume is 15 m. Each location has on average two containers of 300 liters each at 75% full. Refuse is picked up twice per week. Truck has a compaction ratio of 1:2. Pickup time is 1.58 min per service. Truck spends 20 min at the disposal site. It takes 35 min to drive to the disposal site. Assume a density of 150 kg/m for uncompacted