University of Illinois Extension

Quiz

Practice Problems: Multiple Choice 2

A real estate company wants to build a rural office. It employs 50 people, many part time, but they have monthly meetings. The average daily load will be 15 people. A soil evaluation revealed soil in Design Group VIII for 0 to 12 inches, Design Group VII for 12-36 inches, and Design Group V for 36 inches to over 60 inches.
  1. Practice Problems: Multiple Choice 2
    Incorrect. The correct answer is highlighed in green below.

    What is the required loading rate and minimum tank size?
    1. 300 gallons/day, 750 gallon tank
    2. 750 gallons/day, 1250 gallon tank
    3. 750 gallons/day, 1000 gallon tank
    4. 300 gallons/day, 1250 gallon tank
  2. Practice Problems: Multiple Choice 2
    Incorrect. The correct answer is highlighed in green below.

    What is the correct loading rate for a 22 inch chamber system installed at a 36 inch depth? (trench bottom is 36 inches below grade)
    1. 0.52 gpd/ft²
    2. 0.62 gpd/ft²
    3. 0.75 gpd/ft²
    4. 0.70 gpd/ft²
  3. Practice Problems: Multiple Choice 2
    Incorrect. The correct answer is highlighed in green below.

    How many feet of 22 inch chamber system would be required?
    1. 1250
    2. 625
    3. 302.5
    4. 415
  4. Practice Problems: Multiple Choice 2
    Incorrect. The correct answer is highlighed in green below.

    What is the minimum size in square feet of buried sand filter that would be required?
    1. 600
    2. 700
    3. 750
    4. 1000