OSSF DR TEST PRACTICE 150
QUESTIONS WITH ACTUAL
SOLUTIONS!!
1 of 150
Term
List the OSSF licenses that require previous experience
Give this one a try later!
technician, auditor, and planner designer, contractor, and engineer
, installer II, Site evaluator (SE),
installer I, surveyor, and inspector
and Maintenance Provider
(MP)
Don't know?
2 of 150
Term
What must be known to determine the size of spray area required for
an OSSF spray irrigation system?
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Rainfall patterns and
Water quality and pH levels evaporation rates
Rate of irrigation (Ri) allowed
in that area and (Q) in Soil type and nutrient content
gal/day
Don't know?
3 of 150
Term
List each of the major soil horizons
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, surface soil A, subsoil B, surface soil B, subsoil A, and mineral
and bedrock layer
surface soil A, surface soil
B, and parent material topsoil A, subsoil C, and sediment
Don't know?
4 of 150
Term
An important part of the installation of an LPD system is
Give this one a try later!
checking and
calibrating flow rates in the system adjusting
pressure on
lines
verifying inspecting pipe material for
electrical connections
corrosion
Don't know?
5 of 150
Term
, When a maintenance contract is required for a single-family
residence OSSF, the minimum frequency of site visits and type
of testing is
Give this one a try later!
every six months with
turbidity testing twice a year with ph testing
once every four months with
once a year with nitrate level
testing chlorine residual or fecal
coliform testing
Don't know?
6 of 150
Term
The liquid depth of a septic tank
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must be at least 15 inches must be exactly 24 inches
must be no more than 40 inches must be at least 30 inches
Don't know?
QUESTIONS WITH ACTUAL
SOLUTIONS!!
1 of 150
Term
List the OSSF licenses that require previous experience
Give this one a try later!
technician, auditor, and planner designer, contractor, and engineer
, installer II, Site evaluator (SE),
installer I, surveyor, and inspector
and Maintenance Provider
(MP)
Don't know?
2 of 150
Term
What must be known to determine the size of spray area required for
an OSSF spray irrigation system?
Give this one a try later!
Rainfall patterns and
Water quality and pH levels evaporation rates
Rate of irrigation (Ri) allowed
in that area and (Q) in Soil type and nutrient content
gal/day
Don't know?
3 of 150
Term
List each of the major soil horizons
Give this one a try later!
, surface soil A, subsoil B, surface soil B, subsoil A, and mineral
and bedrock layer
surface soil A, surface soil
B, and parent material topsoil A, subsoil C, and sediment
Don't know?
4 of 150
Term
An important part of the installation of an LPD system is
Give this one a try later!
checking and
calibrating flow rates in the system adjusting
pressure on
lines
verifying inspecting pipe material for
electrical connections
corrosion
Don't know?
5 of 150
Term
, When a maintenance contract is required for a single-family
residence OSSF, the minimum frequency of site visits and type
of testing is
Give this one a try later!
every six months with
turbidity testing twice a year with ph testing
once every four months with
once a year with nitrate level
testing chlorine residual or fecal
coliform testing
Don't know?
6 of 150
Term
The liquid depth of a septic tank
Give this one a try later!
must be at least 15 inches must be exactly 24 inches
must be no more than 40 inches must be at least 30 inches
Don't know?
