OSSF INSTALLER 1 MATH QUESTIONS WITH 100 % CORRECT ANSWERS | VERIFIED

square feet (ft^2) to Acres - Answer-%43,560 cubic feet (ft^3) to Gallons - Answer-*7.48 cubic feet (ft^3) to cubic yards (yd^3) - Answer-%27 Calculate the area of a lot that measures 60 feet by 280 feet. Convert answer from feet to acres - Answer-.38 ac Calculate the acreage for a piece of property that measures 256 feet on each of four sides - Answer- 1.50 ac What is the surface area (in sq ft) of an ET system 40 feet wide and 65 feet long. - Answer-2,600 ft What is the area of a septic tank lid that is 5 feet in diameter? - Answer-19.6 ft The area of a lot is 20,076 square feet. What is the area of this lot acres? - Answer-.46 ac A septic tank has a working volume of 31 cubic feet. How many gallons does this septic tank hold? - Answer-231.88 gallons A trench requires 430 ft³ of gravel. How many cubic yards must be purchased? - Answer-15.92 yd^3 A septic tank is 6 feet in diameter and is 8 feet deep. How many gallons will it hold if the overflow line is halfway up from the bottom. (Would this meet minimum capacity requirements for a three bedroom home?) - Answer-845.53 gallons, yes How many cubic yards of gravel would be needed to fill a ditch with 18 inches of gravel if the ditch is 3 feet deep, 10 feet wide, and 12 feet long? Note: 1 cubic yard = 27 cubic feet - Answer- 6.67 yd^3What is the slope across a lot that is 200 feet deep and has an elevation of 683 feet on the north side and 707 feet on the south side? - Answer-12% What is the drop in inches of a pipe laid on a 0.33% grade over 150 feet? - Answer-5.94 in