Mitch’s Certified Classes Backflow Prevention Assembly Tester 1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950 BF-Final Please enter the password provided by the Instructor below and select the "Start" button to begin. First NameLast NameRegistration IDLaptop NumberCode of Conduct AgreementBy checking the box, I acknowledge that I have read, understand, and agree to comply with the Instructions and Conduct of Conduct provided by Mitch's Certified Classes, Inc. 1 / 50 1. What is Used Water: A. Water from a source other than the water supplier. B. Water after it has passed through the meter. C. Water located on the consumers’ property. D. Water that has not been approved by the health agency. 2 / 50 2. What is Pollution: A. Domestic water degraded to a point where it does not look ‘normal’. B. Domestic water impaired to a degree that it has become unsafe to drink. C. Impairment of the domestic water which creates a health hazard. D. Poisoned water. 3 / 50 3. What gauge reading would be a failure for the pressure differential relief valve: A. 2.0 psid B. 2.13 psid C. 1.8 psid D. 3.0 psid 4 / 50 4. When testing the RP, you close the high bleed then the low bleed and shut off the #2 shutoff valve. The differential pressure relief valve begins to discharge water, what does this indicate: A. The #2 check valve is fouled. B. The pressure differential relief valve is bad. C. The #1 check valve is fouled. D. The #2 check valve is open. 5 / 50 5. The pressure drop across the #1 check valve of an RP must be a minimum of at least? A. 2.0 psid B. 1.0 psid C. 5.0 psid D. 3.0 psid 6 / 50 6. A Cross-Connection is: A. A link between a drinking water piping and an objectionable substance. B. A protected connection between the potable water system and a substance other than the drinking water piping. C. A type of backflow allowing a reversal of water movement. D. Protection from an objectionable fluid that allows backflow to occur. 7 / 50 7. An Air-Gap is: A. The area inside a backflow preventer not containing water. B. An air space of not less than one-inch. C. A physical separation between the water supply piping and the receiving receptacle. D. The point inside a tank where the excess water may exit. 8 / 50 8. The proper way to vent air and debris from the test cocks of a reduced pressure backflow preventer is to: A. Open all test cocks fast. B. Maintain the #4 test cock in the open position while venting #3, #2 and #1 test cocks. C. Close the #2 shut-off valve first. D. Maintain the #1 test cock in the open position while venting #4, #3 and #2 test cocks. 9 / 50 9. When testing the opening point of the differential relief valve what happens: A. Water is by-passed from test cock #1 to test cock #2 B. Water is by-passed from test cock #2 to test cock #4 C. Water is by-passed from test cock #1 to test cock #3 D. Water is by-passed from test cock #2 to test cock #3 10 / 50 10. Double-check – Detector Backflow Assemblies are on fire systems at service connections for what: A. To prevent circulating water B. To supply water to fire trucks C. To prevent backflow and detect unauthorized water use D. Contractors can charge more for installation 11 / 50 11. When testing the DC. The gauge must be maintained at: A. Same elevation as the water in the down-stream test cock B. At ground-level C. Same elevation as the test cock is attached at D. Does not matter 12 / 50 12. When testing the DC and the #1 check valve reading is 0.5 psid, which of the following is true: A. The #2 check valve cannot be tested B. The #2 check valve is leaking C. The #2 check valve can be tested D. The assembly must be replaced 13 / 50 13. When testing DC. The #1 check valve reading is 0.8 psid and the #1 shut-off valve leaks, which of the following is true: A. You must repair and re-test the 1st check valve before testing the #2 check valve B. You can go and test the #2 check valve C. The 2nd check is leaking D. The 2nd shut-off valve is leaking 14 / 50 14. When testing #1 check valve of the DC, the sight tube should be attached to test cock #: A. Test cock #4 B. Test cock #3 C. Test cock #1 D. Test cock #2 15 / 50 15. When testing the DC, and water continues to flow from test cock #3 when testing the #1 check valve, what does this indicate: A. #2 shut-off valve is leaking B. #1 shut-off valve is leaking C. #1 check valve is leaking D. #2 check valve is leaking 16 / 50 16. A pressure vacuum breaker must be installed how high above the down-stream piping: A. Two (2) inches B. Six (6) inches C. Twelve (12) inches D. Four (4) inches 17 / 50 17. When testing the air-inlet of a pressure vacuum breaker and it will not open, the cause is: A. Missing air-inlet spring B. #2 shut-off valve leaking C. Leaking #1 check valve D. Bad check seat 18 / 50 18. What values do you record when testing a pressure vacuum breaker: A. Opening point of the differential relief valve B. Pressure across the #2 check C. Opening point of the air-inlet and check valve value D. Pressure drop across the #1 and #2 check valves 19 / 50 19. Any shut-off valves on an atmospheric vacuum breaker must be installed: A. Down-stream of the AVB B. At the first sprinkler C. Upstream of the AVB D. Six (6) inches down-stream of the AVB 20 / 50 20. Flushometers are required to have what type of backflow preventer for protection: A. Reduced Pressure Backflow Assembly B. Double-Check Valve Assembly C. AVB down-stream of the flush valve D. PVB down-stream of the flush valve 21 / 50 21. How high, above the down-stream piping, must an AVB be installed: A. Six (6) inches B. Twelve (12) inches C. Four (4) inches D. Two (2) inches 22 / 50 22. If water continues to flow from test cock #2 when testing a Pressure Vacuum Breaker, what does this indicate: A. Leaking #2 shut-off valve B. Air-inlet is stuck C. Leaking #1 shut-off valve D. Leaking check valve 23 / 50 23. What is the second component of the Pressure Vacuum Breaker you test: A. Air-inlet valve B. Shut-off valve #2 C. Shut-off valve #1 D. Check valve 24 / 50 24. The vacuum breaker installed on a flushometer valve should be installed with the critical level at least how high above the water closet it is installed on: A. Four (4) inches B. Eight (8) inches C. Twelve (12) inches D. Six (6) inches 25 / 50 25. The only place the State of California health department will accept a Pressure Vacuum Breaker for system protection is: A. Chemical plants B. Hospitals C. Car Washes D. In a city median strip, if installed to the requirements of their policy letter 26 / 50 26. What are acceptable field test readings for a properly operating SVB: A. CV: 1.0 psid and above, Air Inlet: 0.5 psid and above B. CV: 1.0 psid and above, Air Inlet: 1.0 psid and above C. CV: 0.5 psid and above, Air Inlet: 1.0 psid and above D. CV: 2.0 psid and above, Air Inlet: less than 1.0 psid 27 / 50 27. SVB must be installed how high above the highest outlet: A. Six (6) inches B. Twelve (12) inches C. Eighteen (18) inches D. Twenty-four (24) inches 28 / 50 28. While field testing the CV of a SVB, water continues to flow from vent valve, what does this imply: A. CV is leaking B. Air-Inlet Valve is operating properly C. CV is stuck closed D. #1 SOV is leaking 29 / 50 29. The proper time to raise the test gauge to the DC, PVB, SVB assembly’s critical level is: A. Before you close the SOV #1 B. When you close the SOV #2 C. When you open the TC #1 D. When you open the TC #2 30 / 50 30. A SVB can be used for what type of hazard: A. Contaminant with backpressure B. Contaminant with Backsiphonage C. Pollutant with backpressure D. Sewage with Backsiphonage 31 / 50 31. The term “Auxiliary Supply” means: A. An active well B. Water storage on the premises C. Water on or available to the premises other than the public water supply D. A second service from the public water supply 32 / 50 32. The two conditions that cause backflow to occur are: A. Backflow and backpressure B. Backpressure and Backsiphonage C. A Cross-Connection and a Hazardous Substance D. Backsiphonage and Negative Pressure 33 / 50 33. A backflow preventer is required to be tested if: A. It has been relocated B. It has been repaired C. It has been untested during the last twelve (12) months D. All of the above 34 / 50 34. A Double-Check Valve Assembly may be used: A. For only a Backsiphonage hazard B. For a high hazard C. For only a backpressure hazard D. For a low hazard 35 / 50 35. If a cross-connection consisting of a direct connection between the sewer and a potable water system is discovered, the water agency can terminate the water service: A. Only after the customer has been notified B. After notifying the health department C. Immediately D. If the customer is not a residential service 36 / 50 36. An atmospheric vacuum breaker can’t be used if the unit is under pressure for more than: A. Twelve (12) hours in a twenty-four (24) hour period B. Twelve (12) hours of constant flow C. Six (6) hours in a twelve (12) hour period D. Twenty-four (24) hours of constant flow 37 / 50 37. The best place to install a backflow preventer is: A. In a vault, provided with a cover lid B. Above ground, in an accessible location C. Below ground, with adequate working space around the unit D. At or near the ceiling, where it is not an obstacle to foot traffic 38 / 50 38. Backflow into a drinking water line from a direct pressure connection to food processing line containing pancake syrup, under pressure from a circulating pump, may be prevented with the installation of: A. A Double-Check Valve Assembly B. A Pressure Vacuum Breaker C. An Atmospheric Breaker D. No change or correction is required 39 / 50 39. The term “Air-Gap Separation” refers to: A. The outlet of the supply piping B. A gap in the air line to a supply tank C. A physical break between the water supply line and a receiving vessel D. The effective opening of the receiving vessel 40 / 50 40. It shall be the duty of the water user of any premise where backflow prevention assemblies are installed, to have competent inspection of the units made at least: A. Once each year B. Once every two (2) years C. Once every three (3) years D. Once every four (4) years 41 / 50 41. The water supply outlet of a proper air-gap requires the minimum distance above the overflow rim of a receptacle to be: A. One (1) inch B. Two (2) inches C. Six (6) inches D. Twelve (12) inches 42 / 50 42. A water closet flushometer valve shall be equipped with an approved atmospheric vacuum breaker installed on the discharge side of the valve with the critical level above the overflow rim of the bowl being at least: A. Four (4) inches B. Six (6) inches C. Twelve (12) inches D. Thirty-six (36) inches 43 / 50 43. A vacuum breaker approved for hot water shall be designed to operate at temperatures above: A. 110 degrees B. 140 degrees C. 160 degrees D. 212 degrees 44 / 50 44. According to the Uniform Plumbing Code (UPC), any direct water connection to a sanitary sewer must be protected by: A. A Reduced Pressure Principle Assembly B. A Pressure Vacuum Breaker Assembly C. An Air-Gap D. A Double-Check Valve Assembly 45 / 50 45. What is the basic theory of a reduced pressure backflow preventer: A. They reduce the water pressure for the customer B. The #2 check valve is not needed C. They are costly so they have to be good D. Water will not flow from a lower pressure to a higher pressure 46 / 50 46. Backpressure Backflow is: A. Backflow through an unprotected cross-connection B. Backflow due to an increased pressure above the supply pressure C. Backflow due to a drop in supply pressure D. Backflow due to a negative pressure in the pipe 47 / 50 47. Backsiphonage Backflow is: A. Backflow through an unprotected cross-connection B. Backflow due to an increased pressure above the supply pressure C. Backflow due to a drop-in supply pressure D. Backflow due to a negative pressure in system pressure 48 / 50 48. Shut-off valves and test cocks on approved reduced pressure backflow preventers must be: A. NRS B. Painted red C. Easy to turn D. Resilient seated 49 / 50 49. A reduced pressure backflow preventer can be used to connect sewage to potable water when: A. This connection is never allowed, only an air-gap is accepted B. For a short period of time C. Only if you have over 150 pounds of pressure D. Only if you don’t have a double-check valve 50 / 50 50. A reduced pressure backflow preventer consists of the following: A. Two shut-off valves, two check valves and a pressure vacuum breaker B. Two check valves, air relief valve C. A relief valve, two check valves and two shut-off valves D. Two check valves, a differential relief valve between the check valves with two resilient seated shut-off valves and four resilient seated test cocks. Your score is Exit
