COMMERCIAL SEPTIC SYSTEM
INSTALLER EXAM (ENVIRONMENTAL
HEALTH I EXAM FOR SEPTIC
INSTALLERS USING REVISION JAN
2025)UPDATED QUESTIONS WITH
COMPLETE SOLUTIONS!!
1 of 63
Term
Dosing tanks shall have a water-tight access cover at least ____________
inches in diameter extending to the ground or no more than
______________ inches below the ground surface.
Give this one a try later!
24 inches,
18 inches, 24 inches
12 inches
, 36 inches, 6 inches 30 inches, 15 inches
Don't know?
2 of 63
Term
Systems requiring at least five hundred (500') but less than one
thousand (1000') linear feet of field line will need____.
Give this one a try later!
multiple pumps or siphons. a single pump or siphon.
a complex filtration system. an automated valve system.
Don't know?
3 of 63
Term
Commercial systems shall be sized according to the
______________________________________ for the facility to be served.
Give this one a try later!
anticipated daily sewage flow maximum hourly water usage
, average monthly
energy consumption projected peak electricity demand
Don't know?
4 of 63
Term
True or False: Walls and bottom of poured-in-place septic tanks
must be reinforced.
Give this one a try later!
True two inches
50% any
Don't know?
5 of 63
Term
All tanks whether pre-manufactured or constructed on site shall be
constructed so that the length is ___________ compared to the width.
Give this one a try later!
, half the width twice the width
at least one and one- half
equal to the width (1 1/2) times... "to the
width."
Don't know?
6 of 63
Term
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.
Give this one a try later!
50 mg/l dosing device
True Kitchen
Don't know?
7 of 63
Term
When field lines are below the elevation of the operating water level
of the tank, a ________________________ should be placed in the discharge
INSTALLER EXAM (ENVIRONMENTAL
HEALTH I EXAM FOR SEPTIC
INSTALLERS USING REVISION JAN
2025)UPDATED QUESTIONS WITH
COMPLETE SOLUTIONS!!
1 of 63
Term
Dosing tanks shall have a water-tight access cover at least ____________
inches in diameter extending to the ground or no more than
______________ inches below the ground surface.
Give this one a try later!
24 inches,
18 inches, 24 inches
12 inches
, 36 inches, 6 inches 30 inches, 15 inches
Don't know?
2 of 63
Term
Systems requiring at least five hundred (500') but less than one
thousand (1000') linear feet of field line will need____.
Give this one a try later!
multiple pumps or siphons. a single pump or siphon.
a complex filtration system. an automated valve system.
Don't know?
3 of 63
Term
Commercial systems shall be sized according to the
______________________________________ for the facility to be served.
Give this one a try later!
anticipated daily sewage flow maximum hourly water usage
, average monthly
energy consumption projected peak electricity demand
Don't know?
4 of 63
Term
True or False: Walls and bottom of poured-in-place septic tanks
must be reinforced.
Give this one a try later!
True two inches
50% any
Don't know?
5 of 63
Term
All tanks whether pre-manufactured or constructed on site shall be
constructed so that the length is ___________ compared to the width.
Give this one a try later!
, half the width twice the width
at least one and one- half
equal to the width (1 1/2) times... "to the
width."
Don't know?
6 of 63
Term
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.
Give this one a try later!
50 mg/l dosing device
True Kitchen
Don't know?
7 of 63
Term
When field lines are below the elevation of the operating water level
of the tank, a ________________________ should be placed in the discharge
