OSSF INSTALLER 2 EXAM NEWEST EXAM 2025 |
ALL QUESTIONS AND CORRECT ANSWERS
(VERIFIED ANSWERS) | LATEST EXAM |
GRADED A+ | JUST RELEASED
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
. d . the pump tank effluent line port ---------CORRECT ANSWER--------------
---d . the pump tank effluent line port new three bedroom
An important part of the installation of an LPD system is
, a . checking and adjusting pressure on lines
b.rigidly stabilizing each line as gravel is placed
c . the installation of at least one inspection port per line
d.the precise grade on the dosing pipe ( 1 in . fall / 100 feet ) ---------
CORRECT ANSWER-----------------a . checking and adjusting pressure on
lines
Drip irrigation systems are most sensitive to which type of contaminant ?
a . BOD
b . Fecal coliform
c . Suspended solids
d . Dissolved organics ---------CORRECT ANSWER-----------------c .
Suspended solids
A drip irrigation system must
a . not be installed in Class IV soils
b . be installed at a minimum depth of 18 in .
c . have pressures adjusted to less than 10 psi on distribution lines
d . be equipped with mechanisms to flush from the drainfield back to the
treatment unit ---------CORRECT ANSWER-----------------d . be equipped
with mechanisms to flush from the drainfield back to the treatment unit
A mound or soil substitution drainfield often used
a . In wetland areas
b . Without treatment
c . In conjunction with secondary treatment
d.When existing soils will not provide adequate treatment due to depth or
texture ---------CORRECT ANSWER-----------------d . When existing soils will
not provide adequate treatment due to depth or texture
The primary threat from malfunctioning OSSF systems is ---------CORRECT
ANSWER-----------------water born disease
ALL QUESTIONS AND CORRECT ANSWERS
(VERIFIED ANSWERS) | LATEST EXAM |
GRADED A+ | JUST RELEASED
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
. d . the pump tank effluent line port ---------CORRECT ANSWER--------------
---d . the pump tank effluent line port new three bedroom
An important part of the installation of an LPD system is
, a . checking and adjusting pressure on lines
b.rigidly stabilizing each line as gravel is placed
c . the installation of at least one inspection port per line
d.the precise grade on the dosing pipe ( 1 in . fall / 100 feet ) ---------
CORRECT ANSWER-----------------a . checking and adjusting pressure on
lines
Drip irrigation systems are most sensitive to which type of contaminant ?
a . BOD
b . Fecal coliform
c . Suspended solids
d . Dissolved organics ---------CORRECT ANSWER-----------------c .
Suspended solids
A drip irrigation system must
a . not be installed in Class IV soils
b . be installed at a minimum depth of 18 in .
c . have pressures adjusted to less than 10 psi on distribution lines
d . be equipped with mechanisms to flush from the drainfield back to the
treatment unit ---------CORRECT ANSWER-----------------d . be equipped
with mechanisms to flush from the drainfield back to the treatment unit
A mound or soil substitution drainfield often used
a . In wetland areas
b . Without treatment
c . In conjunction with secondary treatment
d.When existing soils will not provide adequate treatment due to depth or
texture ---------CORRECT ANSWER-----------------d . When existing soils will
not provide adequate treatment due to depth or texture
The primary threat from malfunctioning OSSF systems is ---------CORRECT
ANSWER-----------------water born disease
