PRACTICE PLUMBING LICENSING EXAM (you must score 32 points to pass)

1. THE TERMINAL OF A VENT MUST NOT BE LOCATED DIRECTLY BELOW A DOOR, OPENABLE WINDOW OR AIR INTAKE, NOR WITHIN 10 FEET HORIZONTALLY, BUT MAY BE LOCATED AT LEAST _____ FEET ABOVE THESE OPENINGS. a) 2 b) 3 c) 4 d) 6

2. A PIPE MAKING A 45 DEGREE ANGLE IS CONSIDERED A HORIZONTAL PIPE a) TRUE b) FALSE

3. IF YOUR EQUIPMENT COST IS $750, LABOR IS $300 AND OVERHEAD IS 15%, WHAT WOULD THE BID PRICE BE IF YOU WISH TO MAKE 20% GROSS PROFIT? a) $1417.50 b) $1615.38 c) $1515.72 d) $1805.25

4. A RELIEF VENT SHALL BE PROVIDED FOR CIRCUIT VENTED HORIZONTAL BRANCHES RECEIVINGTHE DISCHARGE OF ______OR MORE WATER CLOSETS AND CONNECTING TO A DRAINAGE STACK THAT RECEIVES THE DISCHARGE OF SOIL OR WASTE FROM UPPER HORIZONTAL BRANCHES a) 4 b) 6 c) 8 d) 12

5. THE MINIMUM HEIGHT OF A WASHING MACHINE STANDPIPE MEASURED FROM THE TRAP CROWN WEIR IS________ INCHES UNLESS OTHERWISE RECOMMENDED BY THE MANUFACTURER a) 18" b) 36" c) 42" d) 48"

6. THE DISTANCE FROM A METER TO A NATURAL GAS WATER HEATER (40,000 BTUH) IS 30 FT. 20 FEET FURTHER DOWN THE LINE IS A FURNACE (120,000 BTUH). WHAT IS THE MINIMUM PIPE SIZE THAT MUST BE USED FOR NATURAL GAS (.5 psi, .5" PRESSURE DROP) BETWEEN THE WATER HEATER AND FURNACE? (PRESSURE DROP =.05) a) 3/8" b) 1/2" c) 3/4" d) 1"

7. A MANIFLOD DESIGNED TO HANDLE 10 GPM DEMAND @ 4 FPS MUST HAVE AN INTERNAL DIAMETER OF AT LEAST _____________. a) 3/4" b) 1" c) 1-1/4" d) 1-1/2"

8. TWO NATURALLY VENTILATED APLIANCES WITH A COMBINED CAPACITY OF 128,000 BTUH ARE CONNECTED TO A COMMON B-VENT 18' HIGH WITH TWO 90 DEGREE ELBOWS. WHAT SIZE COMMON VENT SHOULD BE USED? a) 4" b) 5" c) 6" d) 7"

9. IF YOUR COMPANY'S NET PROFIT IS 12% , WHAT WOULD THE SALES VOLUME HAVE TO BE TO MAKE $75,000? a) $625,000 b) $84,000 c) $900,000 d) $1,730,000

10. IN ORDER TO BE DEFINED AS A BRANCH INTERVAL THE VERTICAL DISTANCE BETWEEN HORZONTAL BRANCHES MUST BE AT LEAST _______FEET a) 6 b) 8 c) 10 d) 12

11. WATER, HEATED TO A TEMPERATURE IN EXCESS OF_______DEGREES, REQUIRES A TEMPERING VALVE. a) 115 b) 120 c) 130 d) 140

12. A MINIMUM 36" TROUGH URINAL MAY BE SUBSTITUTED FOR TWO WALL HUNG URINALS. a) TRUE b) FALSE

13. A GREASE TRAP MAY BE USED AS A TRAP. a) TRUE b) FALSE

14. A STACK VENT WITH A TOTAL DEVELOPED LENGTH OF 40 FEET IS CONNECTED TO A 3" WASTE STACK SERVING 25 DFU. THE MINIMUM DIAMETER OF THE STACK SHALL BE ___________ INCHES a) 2 b) 1-1/2 c) 1-1/4 d) 3

15. WHEN A WATER CLOSET AND A LAVATORY SHARE A COMMON VENT BUT ARE CONNECTED ANT DIFFERENT LEVELS, THE LAVATORY SHALL BE CONNECTED BELOW THE WATER CLOSET. a) TRUE b) FALSE

16. THE NUMBER OF FEMALE WATER CLOSETS NEEDED TO SERVE AN EXHIBITION HALL CAPABLE OF HOLDING 5000 PEOPLE IS_______? a) 78 b) 40 c) 39 d) 20

17. VACUUM BREAKERS FOR HOSE CONNECTIONS IN HEALTH CARE AREAS SHALL NOT BE LESS THAN _____ ABOVE THE HIGHEST POINT AT WHICH THE HOSE WILL BE USED. a) 1.5 b) 2 c) 4 d) 6

18. THE MAXIMUM FLOW RATE FOR A SHOWER IS _________ GPM @ 80 PSI a) 2 b) 2.5 c) 3 d) 3.5

19. WHAT IS THE PRESSURE DROP OF WATER MOVING AT 5 GPM IN A 1" DIAMETER, 250 FOOT LONG, TYPE K PIPE. a) .4" b) 1" c) 1.5" d) 2.5"

20. A THREE COMPARTMENT SINK IS AN EXAMPLE OF A _________ FIXTURE. a) MULTIPLE b) TRIPLE TRAPPED c) COMBINATION d) UTILITY

21. A YOKE VENT MUST BE USED TO VENT HORIZONTAL OFFSETS OF DRAINAGE STACKS WHEN THERE ARE _____ OR MORE BRANCH INTERVALS ABOVE THE OFFSET a) 10 b) 8 c) 6 d) 5

22. THE AMERICANS WITH DIABILITIES ACT APPLIES TO ALL EMPLOYERS WHO HAVE _____OR MORE EMPLOYEES. a) 10 b) 15 c) 25 d) 50

23. THE MAXIMUM DEPTH OF A TRAP SEAL SHALL BE ______ INCHES UNLESS SPECIAL CIRCUMSTANCES DICTATE OTHERWISE. a) 2 b) 3 c) 4 d) 5

24. WHEN A PIPE DISCHARGES INDIRECTLY INTO A RECEPTACLE BELOW THE FLOOD LEVEL OF THE RIM, THE SPACE BETWEEN THE RECEPTACLE AND PIPE IS CALLED A ________ a) AIR LINK b) AIR GAP c) AIR SPACE d) AIR BREAK

25. A VENT STACK IS REQUIRED FOR EVERY DRAINAGE STACK THAT IS _____ INTERVALS OR MORE. a) 5 b) 2 c) 3 d) 10

26. GAS APPLIANCE CONNECTORS SHALL NOT PASS THROUGH ANY OF THE FOLLOWING EXCEPT a) WALLS b) APPLIANCE HOUSINGS c) FACTORY BUILT FIREPLACES d) FLOORS

27. LEAD FREE SOLDER CANNOT CONTAIN MORE THAN _____% LEAD. a) .02 b) .2 c) 2 d) 20

28. ACCORDING TO THE CODE, HOW MANY FEMALES WOULD OCCUPY A CROWD OF 120 PEOPLE IN A LOUNGE? a) 12 b) 30 c) 64 d) 60

29. IN ORDER TO SUPPLY OUTDOOR COMBUSTION AIR USING THE TWO OPENING METHOD WITH HORIZONTAL DUCTS, WHAT SIZE WOULD EACH DUCT BE TO HANDLE A 140,000 BTUH FURNACE? a) 7" x 10" b) 3.5" X 10" c) 14" X 10" d) 8.5" X 10"

30. PVC PIPE MUST BE SUPORTED HORIZONTALLY BY HANGERS NOT LESS THAN EVERY ______ FEET a) 3 b) 4 c) 5 d) 6

31. A FIXTURE WITH A CONTINUOUS FLOW OF 4 GPM, IS EQUAL TO _______FIXTURE UNITS. a) 4 b) 5 c) 7 d) 8

32. THE MINIUM PRESSURE RATING OF WATER SERVICE PIPING LOCATED OUTSIDE IS_______. a) 160 PSI b) 120 PSI c) 140 PSI d) 100 PSI

33. AN AIR ADMITTANCE VALVE SHALL BE LOCATED A MINIMUM OF _____ INCHES ABOVE THE INSULATION MATERIAL. a) 3 b) 4 c) 5 d) 6

34. A WET VENT SERVING FIVE DFU MUST BE AT LEAST ____ INCHES IN DIAMETER a) 3 b) 2 c) 2.5 d) 1-3/4

35. A CIRCUIT VENT MAY VENT UP TO __________ FIXTURES a) 4 b) 6 c) 8 d) 10

36. HORIZONTAL DRAIN CLEANOUTS INSIDE A BUILDING MUST BE INSTALLED AT EVERY FOURTH 45-DEGREE BEND, BUT NO MORE THAN ______ FEET APART a) 25 b) 50 c) 75 d) 100

37. GENERALLY, _____ INCHES IS THE MAXIMUM VERTICAL DISTANCE ALLOWABLE BETWEEN A FIXTURE DRAIN OUTLET AND THE TRAP WEIR a) 24 b) 18 c) 30 d) 36

38. ALL PUBLIC WATER CLOSETS MUST BE ENCLOSED IN A COMPARTMENT. a) TRUE b) FALSE

39. A BRANCH VENT, 50 FEET IN DEVELOPED LENGTH, SERVING A 3" DRAIN MUST BE AT LEAST _______ INCHES DIAMETER? a) 1-1/2 b) 2 c) 2-1/2 d) 3

40. THE MINIMUM SIZE SUMP PUMP PIT IS 18" IN DIAMETER AND ______INCHES DEEP a) 8 b) 12 c) 18 d) 24

41. FOR AIR TESTING THE ROUGH IN DRAINAGE SYSTEM ON A SINGLE FAMILY HOUSE, AIR MUST FILL THE PIPING TO 5 PSI AND HOLD THE PRESSURE FOR _______ MINUTES a) 5 b) 10 c) 15 d) 20

42. A VENT STACK WITH A TOTAL DEVELOPED LENGTH OF 40 FEET IS CONNECTED TO A 3" WASTE STACK SERVING 25 FIXTURE DFU. THE MINIMUM DIAMETER OF THE VENT STACK SHALL BE_______INCHES. a) 1-1/2 b) 2 c) 2-1/2 d) 3

43. THE MINIMUM SIZE CLEANOUT FOR A SIX INCH PIPE IS________ a) 1 1/2 INCH b) 2 INCH c) 3 INCH d) 4 INCH

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