Cross connection means and physical connection or arrangement between? -
CORRECT ANSWER-Potable water and non potable water
A cross connection between a _____ and ______ water supply shall not be allowed. -
CORRECT ANSWER-Private and public
If any check valves are installed in a water system, what is required? - CORRECT
ANSWER-Thermal expansion tank.
What is the best level of protection in all back flow situations? - CORRECT ANSWER-
Air gap
The best mechanical protection is a? - CORRECT ANSWER-Reduced pressure
backflow preventer
3 Degrees of hazardous waste? - CORRECT ANSWER-Minor, moderate, severe
Minimum size water service pipe? - CORRECT ANSWER-3/4"
How far must the water service pipe be from sewer lines. - CORRECT ANSWER-At
least 5 feet
If you bench the water service, it must be at all points how many inches above the
sewer? - CORRECT ANSWER-18
Number of joints in the water service is to be kept to? - CORRECT ANSWER-A
minimum
No person, firm, or corporation shall construct, install, or alter any plumbing without first
having procured a ? - CORRECT ANSWER-Plumbing permit
No person shall use _____ or ______ materials in the working of plumbing. -
CORRECT ANSWER-Unsafe or defective
When dual water distribution systems are used, the non potable water supply shall be
_____ and _____ identified. - CORRECT ANSWER-Durable and adequately
Yard hydrants should have what form of backflow prevention? - CORRECT ANSWER-
Vacuum breaker 1011
, All hose connections shall be equipped with a vacuum breaker except? - CORRECT
ANSWER-Yard hydrants, clothes washing machines, and water heater drain valves
A water closet or urinal shall be flushed by means of an approved ______ or _______
valve. - CORRECT ANSWER-Tank or flush valve
A flushometer has to have a? - CORRECT ANSWER-Vacuum breaker
Boilers with chemical feeds are equipped with what kind of backflow device? -
CORRECT ANSWER-Air gap
The orifice of a drinking fountain shall be provided with a? - CORRECT ANSWER-
Protective cowl
Minimum size water service lines from the property line to the water heater must be? -
CORRECT ANSWER-3/4"
Flashings should extend _______ in all directions. - CORRECT ANSWER-6 inches
Three and four inch lead flashings shall have a minimum _______ inch base. -
CORRECT ANSWER-12
A tubular brass trap shall be ______ gauge. - CORRECT ANSWER-17
Traps shall have a water seal not less than ____ inches and not more than _____
inches. - CORRECT ANSWER-2 and 4
If a stack is over _____ feet tall, a _______ ______ shall be provided. - CORRECT
ANSWER-45 —- clean out
There shall be at least _____ clean out in a building drain with a ______-_______
branch inside the wall or outside the building at a point not to exceed ____ feet from the
foundation wall. - CORRECT ANSWER-1— full size— 2
All clean outs shall be __________ fittings. - CORRECT ANSWER-2-directional
A clean out shall be the same nominal size as the pipe it serves up to ____ inch and
shall not be less than ____ inch for pipes any larger. - CORRECT ANSWER-4-4
A clean out installed on a ___ inch sewer shall be ____ directional. - CORRECT
ANSWER-4- 2
How many members are on the State Plumbing Committee? - CORRECT ANSWER-7