California D.O. Exam Study 2023 exam questions and answers

California D.O. Exam Study 2023 exam questions and answers Petroleum marketers with 200 or more tanks must maintain ________ aggregate coverage of financial assurance. (Dollars & Sense; page 4) A. $2,000,000 B. $1,000,000 C. $500,000 D. $250,000 - A. $2,000,000 Non-marketers with a net worth of less than $20 million who have 10.000 gallons or less monthly throughput are required to have _________ per occurrence coverage of financial assurance. (Dollars & Sense; page 4) A. $2,000,000 B. $1,000,000 C. $500,000 D. $250,000 - C. $500,000 An underground storage tank system or UST is a tank and any underground piping connected to the tank that has at least ____ of its combined volume underground. (Dollars & Sense; page 3) A. 10% B. 25% C. 50% D. 100% - A. 10% Where is an automatic tank gauge or ATG probe located? (Operating and Maintaining; page 6 image) A. In the fill pipe riser B. In the primary tank C. Below the UDC D. In the secondary tank - B. In the primary tank An automatic tank gauge probe is permanently installed in the tank through? (Operating and Maintaining; page 6 image) A. The fill pipe B. An opening towards the bottom of the tank C. The vent pipe D. An opening in the top of the tank (not the fill pipe) - D. An opening in the top of the tank (not the fill pipe) How often should a "Frequent Walk-Through Inspection" be completed? (Operating and Maintaining; page 52) A. Every 30 days B. Every 60 days C. Yearly D. Weekly - A. Every 30 days Where is an automatic shutoff device for fueling located? (Operating and Maintaining; page 36) A. In the fill pipe riser B. In the primary tank C. Below the UDC D. In the secondary tank - A. In the fill pipe riser Spill buckets are designed to contain liquid temporarily. [True/False] (Operating and Maintaining; page 32) - True Which device is not part of the basics of overfill protection? (Operating and Maintaining; page 34) A. Automatic shutoff devices B. Overfill alarms C. Ball float valves D. Spill Buckets - D. Spill Buckets An electronic overfill alarm activates an audible and visual warning to delivery personnel when the tank is _____ full. (Operating and Maintaining; page 38) A. 100% B. 95% C. 90% D. 75% - C. 90% Corrosion protection is used for a UST that is constructed of? (Operating and Maintaining; page 43) A. PVC pipe B. Fiberglass reinforced plastic C. Metal D. Cement - C. Metal How often must a rectifier on an impressed current system be inspected? (Operating and Maintaining; page 46) A. Every 30 days B. Every 60 days C. Yearly D. Weekly - B. Every 60 days The "Frequent Walk-Through Inspection" does not include? (Operating and Maintaining; page 54) A. Inspection of the spill buckets B. Inspection of the fire extinguishers C. Inspection of fill and monitoring ports D. Inspection of the dispenser sump - B. Inspection of the fire extinguishers What does vapor monitoring leak detection measure? (Operating and Maintaining; page 15) A. The quality of the groundwater B. The inventory, delivery, and dispensing data collected over a period of time C. The product level and temperature in the tank D. Fumes from leaked product in the soil around the tank - D. Fumes from leaked product in the soil around the tank Interstitial space is the space between the primary and secondary containment systems. [True/False] (Title 23; page 5) - True Where is a Groundwater Monitoring Device installed? A. In an opening on the top of the tank (not the fill tube) B. Inside the monitoring well placed close to the UST C. Next to the data hut D. In the turbine sump - B. Inside the monitoring well placed close to the UST Statistical inventory reconciliation or SIR is a method that must be able to detect a leak at least as small as? (Title 23; page 43) A. 0.1 gph B. 0.2 gph C. 3 gph D. 5 gph - B. 0.2 gph An impressed current cathod