6 The minimum size of every sanitary building sewer and every sanitary building drain is a 4 b 3 c 6 d 2 7 A air conditioner discharges condensate at a rate of 3 liters per second what is its FU rating a 95 1 FUS b 86 3 FUS 8 FUS d 31 FUS 8 A vertical sanitary drainage pipe can carry a maximum volume of waste equal to a 35 b 25 69 d 29 9 A horizontal sanitary drainage pipe can carry a maximum volume of waste equal to a 65 b 25 c 39 d 69 10 Drains are designed to never run at full capacity a T b F 11 A building has a soil stack receiving 102FUs of waste There is a public washroom with 4 Di Flush Water Closets on the third floor What is the minimum size of the soil stack 3 b 4 c 5 d 6