STAR Drainage

1. What is the main purpose for the use of an ejector pump?

• a. sewage
• b. liquid waste
• c. storm water
• d. none of the above

2. What type of fittings can be used in drainage?

• a. copper
• b. threaded fittings
• c. compression fittings
• d. DWV

3. Where is a grease interceptor commonly used?

• a. laundry
• b. garages
• c. kitchens
• d. none of the above

4. What is the minimum size drain line serving one toilet?

• a. 2”
• b. 2.5”
• c. 3”
• d. 4”

5. The purpose of PVC primer is to?

• a. clean
• b. soften
• c. a and b
• d. none of the above

6. What is the minimum pressure when testing a waste and venting system?

• a. 2psi
• b. 3psi
• c. 5psi
• d. 10psi

7. What type of piping cannot be used in a chemical waste application

• a. glass pipe
• b. copper
• c. PVDF
• d. duriron

8. What is the minimum waste pipe size needed for a drinking fountain?

• a. 1 1/2”
• b. 2”
• c. 1 1/4”
• d. doesn’t matter

9. What is the proper size trap and trap arm for a lavatory?

• a. 1 1/2”
• b. 1 1/4”
• c. 2”
• d. none of the above

10. What is the minimum size trap that serves a sink

• a. 2”
• b. 1 1/2
• c. 1 1/4
• d. doesn’t much matter