Extracted text: Find the quantity of material for one batch of a mechanical mixer volume 0.452 m3 if the mix design is 7.32 bags of cement/m3 853 kg sand/m3 1095 kg gravel/m3 193 liters water/m3 Recalculate the materials if sand and gravel have a moisture of 2% and 3%, respectively What is the productivity of the mechanical mixer if loading time 0.25 min. mixing time 1 min. discharge time 0.25 min. waster time 0.1 min. efficiency is 50 min/hr