OSSF INSTALLER 2 EXAM 2025 | ALL QUESTIONS
AND CORRECT ANSWERS (VERIFIED ANSWERS) |
LATEST EXAM | ALREADY GRADED A+
Which of the following considerations should receive the greatest emphasis
in selecting a type of OSSF system disposal option ?
a . System cost
b. Electrical rates
c . Soil and site conditions
d . Maintenance and service availability ---------CORRECT ANSWER---------
--------c . Soil and site conditions
would include On a west Texas site with 16 in of Class Ia soil over fractured
rock suitable OSSF systems a . lined or unlined ETs
b . lined ET or LPD systems
c . lined ET or mound systems
d . surface application or leaching chamber systems ---------CORRECT
ANSWER-----------------c . lined ET or mound systems chamber
The minimum soil requirements for leaching chambers or gravelless pipe
systems following a septic tank are
A. 2 ft . of Class Ib , II , or III soil below the field bottom
B. the same as for a standard absorptive drainfield
C. 4 ft . of permeable soil with no more than seasonable saturation
D. both a and b ---------CORRECT ANSWER-----------------D both a and b
OSSF surface application always requires
a . at least primary treatment and disinfection
b . at least secondary treatment and disinfection
c . primary treatment and disinfection or secondary treatment atenti
d . tertiary treatment bvad ---------CORRECT ANSWER-----------------b . at
least secondary treatment and disinfection
,vision Why is surface application often selected over other OSSF disposal
options ?
a . Small lots diw it
b . The lake front setback for waterfront property assage nonsollege
c . Clay soils and / or seasonal groundwater problems qb
d . The irrigation water available for vegetable gardens or orchards ---------
CORRECT ANSWER-----------------c . Clay soils and / or seasonal
groundwater problems
Which of the following is required to determine the size of spray area
required for an OSSF spray irrigation system ?
a . soil R , in gal./ft.2/day and Q in gal./min .
b . Q in gal./day and aerobic plant capacity to
c . rate of irrigation ( R ) allowed in that area and ( Q ) in gal./day
D. maximum aerobic plant capacity and the soil acceptance tance rate rate
( R₂ ) ---------CORRECT ANSWER-----------------c . rate of irrigation ( R )
allowed in that area and ( Q ) in gal./day
Which systems routinely require a pump tank ?
a . LPD and leaching chambers
b . Gravelless pipe , sand filters and LPD
c. Surface and drip irrigation and sand filters
d . Drip irrigation and standard absorptive drainfields ---------CORRECT
ANSWER-----------------c . Surface and drip irrigation and sand filters
The setback from a public water well for an aerobic plant is
a . 50 feet
b . 100 feet
c . 150 feet
d . determined based upon slope percent ---------CORRECT ANSWER-------
----------A.50
, A legal maintenance company for a surface application OSSF system using
proprietary aerobic plant must have an employee who is which of the
following ?
a . A licensed maintenance provider b . A registered maintenance
technician
c . A registered installer and maintenance technician
d . A registered installer or class D wastewater operator ---------CORRECT
ANSWER-----------------a . A licensed maintenance provider
Which OSSF disposal systems are routinely required to have maintenance
contracts ?
a . LPD mounds and lined ETs
b . Sand filters with LPD disposal c.LPD and surface application systems
d . Surface and subsurface drip irrigation ---------CORRECT ANSWER-------
----------d . Surface and subsurface drip irrigation
What is the purpose of requiring an affidavit to be filed with the county real
property records for a surface application system ?
a . To ensure a permit was obtained b . To ensure the future DR has a
permanent record
c . To notify the current property owner of the type of OSSF system used
and maintenance requirements d . To notify future property owners of the
type of OSSF system used and the maintenance requirements ---------
CORRECT ANSWER-----------------d . To notify future property owners of
the type of OSSF system used and the maintenance requirements
Required samples for testing from a surface application system are
collected from
a .all chambers
b . the aeration chamber .
c. the surface of the clarifier
AND CORRECT ANSWERS (VERIFIED ANSWERS) |
LATEST EXAM | ALREADY GRADED A+
Which of the following considerations should receive the greatest emphasis
in selecting a type of OSSF system disposal option ?
a . System cost
b. Electrical rates
c . Soil and site conditions
d . Maintenance and service availability ---------CORRECT ANSWER---------
--------c . Soil and site conditions
would include On a west Texas site with 16 in of Class Ia soil over fractured
rock suitable OSSF systems a . lined or unlined ETs
b . lined ET or LPD systems
c . lined ET or mound systems
d . surface application or leaching chamber systems ---------CORRECT
ANSWER-----------------c . lined ET or mound systems chamber
The minimum soil requirements for leaching chambers or gravelless pipe
systems following a septic tank are
A. 2 ft . of Class Ib , II , or III soil below the field bottom
B. the same as for a standard absorptive drainfield
C. 4 ft . of permeable soil with no more than seasonable saturation
D. both a and b ---------CORRECT ANSWER-----------------D both a and b
OSSF surface application always requires
a . at least primary treatment and disinfection
b . at least secondary treatment and disinfection
c . primary treatment and disinfection or secondary treatment atenti
d . tertiary treatment bvad ---------CORRECT ANSWER-----------------b . at
least secondary treatment and disinfection
,vision Why is surface application often selected over other OSSF disposal
options ?
a . Small lots diw it
b . The lake front setback for waterfront property assage nonsollege
c . Clay soils and / or seasonal groundwater problems qb
d . The irrigation water available for vegetable gardens or orchards ---------
CORRECT ANSWER-----------------c . Clay soils and / or seasonal
groundwater problems
Which of the following is required to determine the size of spray area
required for an OSSF spray irrigation system ?
a . soil R , in gal./ft.2/day and Q in gal./min .
b . Q in gal./day and aerobic plant capacity to
c . rate of irrigation ( R ) allowed in that area and ( Q ) in gal./day
D. maximum aerobic plant capacity and the soil acceptance tance rate rate
( R₂ ) ---------CORRECT ANSWER-----------------c . rate of irrigation ( R )
allowed in that area and ( Q ) in gal./day
Which systems routinely require a pump tank ?
a . LPD and leaching chambers
b . Gravelless pipe , sand filters and LPD
c. Surface and drip irrigation and sand filters
d . Drip irrigation and standard absorptive drainfields ---------CORRECT
ANSWER-----------------c . Surface and drip irrigation and sand filters
The setback from a public water well for an aerobic plant is
a . 50 feet
b . 100 feet
c . 150 feet
d . determined based upon slope percent ---------CORRECT ANSWER-------
----------A.50
, A legal maintenance company for a surface application OSSF system using
proprietary aerobic plant must have an employee who is which of the
following ?
a . A licensed maintenance provider b . A registered maintenance
technician
c . A registered installer and maintenance technician
d . A registered installer or class D wastewater operator ---------CORRECT
ANSWER-----------------a . A licensed maintenance provider
Which OSSF disposal systems are routinely required to have maintenance
contracts ?
a . LPD mounds and lined ETs
b . Sand filters with LPD disposal c.LPD and surface application systems
d . Surface and subsurface drip irrigation ---------CORRECT ANSWER-------
----------d . Surface and subsurface drip irrigation
What is the purpose of requiring an affidavit to be filed with the county real
property records for a surface application system ?
a . To ensure a permit was obtained b . To ensure the future DR has a
permanent record
c . To notify the current property owner of the type of OSSF system used
and maintenance requirements d . To notify future property owners of the
type of OSSF system used and the maintenance requirements ---------
CORRECT ANSWER-----------------d . To notify future property owners of
the type of OSSF system used and the maintenance requirements
Required samples for testing from a surface application system are
collected from
a .all chambers
b . the aeration chamber .
c. the surface of the clarifier
