[top.htm]

M&M I-Practice Math #3

15.    A drum contains 55 gallons of a solution with a specific gravity of 1.25.  The empty drum weighs 25 pounds.  The weight of the filled drum is _____ pounds.

16.    55 gallons of a 0.15% chemical solution contains _____ pound(s) of dry chemical.

   

17.    A feed pump lowers a 15 foot diameter chemical solution tank containing a 4.5% solution 8 inches in 20 minutes.  The pump delivers ______ pounds/day of solution.

  

18.    A feed pump that lowers a 15 foot diameter chemical solution tank 8 inches in 20 minutes delivers _______ gpd.

  

19.    A pump that lowers a 15 foot diameter chemical solution tank 8 inches in 20 minutes delivers _______ gpm.

  

20.    A slurry was prepared by adding two 40 pound bags of a chemical to a 55 gallon drum and adding enough water to fill the drum.  The slurry contains _____ pound(s) of chemical.

  

21.    If a bag of polymer weighs 60 pounds and contains 4.5% of a certain chemical by weight, the weight of that chemical is ______ pounds.

 

Solutions to I-Practice Math #3

 

Return to I-Practice Math

Return to I-Practice

Return to I-Practice Water Treatment

Return to I-Practice Wastewater Treatment

Return to I-Practice Distribution System

Return to I-Practice Collection Systems

Return to I-Practice Very Small Water Systems

Return to I-Practice Wastewater Lagoons

Return to I-Practice Industrial Wastewater Treatment