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2024 COMMERCIAL SEPTIC SYSTEM INSTALLER EXAM WITH CORRECT ANSWERS
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2024 COMMERCIAL SEPTIC SYSTEM INSTALLER EXAM WITH CORRECT ANSWERS
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2024 COMMERCIAL SEPTICSYSTEM INSTALLER EXAM WITH
CORRECT ANSWERS
All tanks must have: - CORRECT-ANSWERS2 compartments
All tanks whether pre-manufactured or constructed on site shall be
constructed so that the length is ___________ compared to the width. -
CORRECT-ANSWERSat least one and one- half (1 1/2) times... "to the width."
_____________ are the non-mechanical alternative to pumps. - CORRECT-
ANSWERSSiphons
How do Siphons work? - CORRECT-ANSWERSAs the dosing tank fills, head
pressure increases in the tank to a point that will force the effluent through
the siphon which is a specially designed trap, creating suction in the
discharge line that empties the contents of the dosing tank to the level of the
siphon bell and sniff hole. Equilibrium is then re-established in the line until
the water level rises again to the level that the process starts all over again.
As with pumps, single siphons are used for systems with more than ______
linear feet of field line and alternating siphons are used for systems with
more than _______ linear feet of field line. - CORRECT-ANSWERS500, (single)
1000, (alternating)
When installing siphons, care should be taken to assure they are installed
____________ and are _____________________________ - CORRECT-ANSWERSlevel
and are primed with water.
Grease traps are required for any installation where the amount of grease in
the effluent stream exceeds _____________ milligrams per liter - CORRECT-
ANSWERS50 mg/l
Grease traps are rarely used for homes. Their main application is in treating
_____________ waste waters from motels, cafeterias, restaurants, hospitals,
schools and other institutions with large volumes of kitchen wastewater. -
CORRECT-ANSWERSKitchen
, True or False: The purpose of the grease trap is to the grease from the other
water carried waste which will protect the pipes in the system from clogging
the soil. - CORRECT-ANSWERSTrue
True or False: Effluent from the grease trap is deposited in the septic tank
along with the other water carried waste from the facility. - CORRECT-
ANSWERSTrue
In Georgia the minimum sized grease trap allowable is __________________
gallons. - CORRECT-ANSWERS125 gallons.
The sizing of grease traps should take into consideration the
___________________ and the ___________________________________. - CORRECT-
ANSWERStype of facility served and the
estimated daily sewage flow.
Grease traps may be constructed of ___________materials used for
conventional septic tanks. - CORRECT-ANSWERSany
It is recommended that grease traps be cleaned when ___________ percent of
their grease retention capacity is reached. - CORRECT-ANSWERS75%
Commercial on-site sewage disposal systems shall adhere to all the
standards established for residential systems unless
__________________________________. - CORRECT-ANSWERSspecifically
addressed in the permit.
Commercial systems shall be sized according to the
______________________________________ for the facility to be served. -
CORRECT-ANSWERSanticipated daily sewage flow
For residential type facilities both single and multifamily, _________________
per bedroom will be used to estimate the number of gallons per day sewage
flow. - CORRECT-ANSWERS150 gallons per bedroom
Where garbage grinders are used increase tank capacity by
__________________% - CORRECT-ANSWERS50%
All solid pipe used in the installation of on-site sewage disposal systems shall
be schedule _________________ or equivalent. (cast Iron shall be considered to
meet the equivalency standard.) - CORRECT-ANSWERS40 PVC
All wiring and electrical components for systems requiring electrical
components should for systems requiring electrical components should meet
the standards set forth in the ____________________________________. -
CORRECT-ANSWERSNational Electrical Code
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