OSSF INSTALLER 1 MATH EXAM
Questions and Answers
square feet (ft^2) to Acres - -%43,560
- cubic feet (ft^3) to Gallons - -*7.48
- cubic feet (ft^3) to cubic yards (yd^3) - -%27
- Calculate the area of a lot that measures 60 feet by 280 feet. Convert
answer from feet to acres - -.38 ac
- Calculate the acreage for a piece of property that measures 256 feet on
each of four sides - -1.50 ac
- What is the surface area (in sq ft) of an ET system 40 feet wide and 65 feet
long. - -2,600 ft
- What is the area of a septic tank lid that is 5 feet in diameter? - -19.6 ft
- The area of a lot is 20,076 square feet. What is the area of this lot acres? -
-.46 ac
- A septic tank has a working volume of 31 cubic feet. How many gallons
does this septic tank hold? - -231.88 gallons
- A trench requires 430 ft³ of gravel. How many cubic yards must be
purchased? - -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?) - -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 - -6.67 yd^3
- What 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? - -12%
Questions and Answers
square feet (ft^2) to Acres - -%43,560
- cubic feet (ft^3) to Gallons - -*7.48
- cubic feet (ft^3) to cubic yards (yd^3) - -%27
- Calculate the area of a lot that measures 60 feet by 280 feet. Convert
answer from feet to acres - -.38 ac
- Calculate the acreage for a piece of property that measures 256 feet on
each of four sides - -1.50 ac
- What is the surface area (in sq ft) of an ET system 40 feet wide and 65 feet
long. - -2,600 ft
- What is the area of a septic tank lid that is 5 feet in diameter? - -19.6 ft
- The area of a lot is 20,076 square feet. What is the area of this lot acres? -
-.46 ac
- A septic tank has a working volume of 31 cubic feet. How many gallons
does this septic tank hold? - -231.88 gallons
- A trench requires 430 ft³ of gravel. How many cubic yards must be
purchased? - -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?) - -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 - -6.67 yd^3
- What 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? - -12%
