OSSF INSTALLER 1 MATH EXAM
2024-2025
Square feet (ft^2) to acres - ANSWER: 43,560
Convert cubic feet (ft^3) to gallons - multiply by 7.48.
Convert cubic feet (ft^3) to cubic yards (yd^3) - ANSWER% 27
Calculate the size of a lot that is 60 feet by 280 feet. Convert the answer from
feet to acres:.38 ac.
Calculate the acreage for a piece of property with 256 feet on each of four sides.
- ANSWER: 1.50 AC
What is the surface area (square feet) of an ET system 40 feet broad by 65 feet
long? - ANSWER: 2,600 feet.
What is the area of a 5-foot diameter septic tank lid? - ANSWER: 19.6 feet
A lot has an area of 20,076 square feet. What is the total area of this lot in
acres? - ANSWER 0.46 ac
Septic tanks have an operating volume of 31 cubic feet. How many gallons does
this septic tank contain? - Answer: 231.88 gallons.
A trench requires 430 feet³ of gravel. How many cubic yards should be
purchased? - Answer: 15.92 yd^3.
2024-2025
Square feet (ft^2) to acres - ANSWER: 43,560
Convert cubic feet (ft^3) to gallons - multiply by 7.48.
Convert cubic feet (ft^3) to cubic yards (yd^3) - ANSWER% 27
Calculate the size of a lot that is 60 feet by 280 feet. Convert the answer from
feet to acres:.38 ac.
Calculate the acreage for a piece of property with 256 feet on each of four sides.
- ANSWER: 1.50 AC
What is the surface area (square feet) of an ET system 40 feet broad by 65 feet
long? - ANSWER: 2,600 feet.
What is the area of a 5-foot diameter septic tank lid? - ANSWER: 19.6 feet
A lot has an area of 20,076 square feet. What is the total area of this lot in
acres? - ANSWER 0.46 ac
Septic tanks have an operating volume of 31 cubic feet. How many gallons does
this septic tank contain? - Answer: 231.88 gallons.
A trench requires 430 feet³ of gravel. How many cubic yards should be
purchased? - Answer: 15.92 yd^3.