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Journeyman Oil burner exam with Complete Solutions
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Journeyman Oil burner exam with Complete Solutions
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Journeyman's Exam with Complete SolutionsSpecific back-flow license, Annual test on each back-flow installed CORRECT ANS-What is the
code requirement for the testing of devices or assemblies installed in the potable water system
for protecting agains back-flow?
1' CORRECT ANS-What is the minimum code requirement height above the floor that a
reduced pressure principle back-flow preventer assembly can be installed?
Twice the outlet opening and no less than 1" CORRECT ANS-How is an air gap for the water
distribution system sized?
6" CORRECT ANS-What is the minimum height for the critical level of a vacuum breaker
serving a flushometer operated water closet
1", overflow pipe CORRECT ANS-The critical level for an anti-siphon ballcock water closet
shall be not less than ________ inch(es) above the full opening of the __________ ________
Water heater, boiler drain, clothes washer connection CORRECT ANS-List three potable
water outlets with hose attachments that are not required by code to be protected by a hose
bib type vacuum breaker.
CPVC, Copper, Pex CORRECT ANS-List the three materials approved for the water distribution
system above ground.
Galvanized CORRECT ANS-Cast iron fittings up to and including 2" when used for potable
water should be _______________.
,.25% CORRECT ANS-Water pipe and fittings with a lead content which exceeds ________%
shall be prohibited.
24"
72"
10' CORRECT ANS-The maximum allowable length for flexible corrugated connectors for the
following
water heater connector ____________
washing machine connector _____________
dish washer connector _________________
18" CORRECT ANS-How far away does pex tubing have to be from a water heater
connection?
Full way Valves CORRECT ANS-What type of valve is required for the following:
Either side of a water meter _______________
Cold water side of a water heater _____________
Valves used to control two or more openings _________
soft copper CORRECT ANS-Flared joints shall be used for _________ _________ water tubing
Brazed Joint CORRECT ANS-Mechanically formed tees the branch shall be a ________ joint.
male, male CORRECT ANS-Female PVC screwed fittings for water piping shall be used with
plastic _____________ with plastic _________ threads only.
15 psi - 80 psi CORRECT ANS-What is the minimum and maximum water pressure required
by building code?
, Expansion tank CORRECT ANS-What is the plumber required by code to provide if he
installed a back flow preventer on the cold water main of the house?
150 psi CORRECT ANS-What is the maximum pressure for a pressure relive valve for water
storage equipment?
The water pipe must be 12 inches above the sewer line and 12 inches to the side on a raised
step CORRECT ANS-What are the two code requirements for water pipe and sewer pipe run
in a common trench?
50 psi for 15 minutes CORRECT ANS-When using air to test the water distribution system
what should the pressure be and how long should it stay on?
Water heater
Regulating equipment
conditioning tanks CORRECT ANS-Name 3 places where unions are required on the water
distribution system.
a chlorinated flush for 3 hours @ 2400 ppm CORRECT ANS-Describe one procedure for
disinfecting a potable water system.
Cast Iron, PVC, ABS, Copper CORRECT ANS-Name 4 allowable materials for above ground
storm water drainage.
60 minute duration and 100 year return period CORRECT ANS-Roof drains, vertical
conductors / leaders and horizontal storm drains shall be sized based on a storm of
_____________ and ___________
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