1|Page
Texas On-Site Sewage Facility (OSSF) Installer II Exam
COMPLETE VERIFIED QUESTIONS AND DETAILED
SOLUTIONS LATEST UPDATE THIS YEAR-JUST
RELEASED.pdf 1.||NEWEST EXAM!!!
Pits constructed in permeable soil with open-jointed
material along the sides to the bottom of the pit that
receive a direct discharge of raw waste water are called
__________________. - Answer-CESSPOOLS.
How are water born diseases transmitted? - Answer-
MICROORGANISMS
What are 3 primary routes of containment for pathogenetic
microorganisms and harmful chemicals from on-site
sewage systems to our environment? - Answer-
Neighborhood pollution, groundwater pollution and surface
water pollution.
What problems are a result of neighborhood pollution? -
Answer-~Diseases that can be spread by direct or indirect
contact with the standing water.
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~Vectors such as roaches and flies, that can also spread
diseases after coming in contact with the waste water.
~Unsightly and unpleasant living conditions that result
from the standing waste water.
~Feuds and bad relationships with neighbors that can
result from waste water problems.
~Property values drop and real estate transactions fall
through. No one benefits and everyone suffers when
neighborhoods are fouled by waste water.
In the hydrologic cycle, water moves by evaporation and
transpiration into the ___________________ where it
comes in contact with cooler air, condenses, and falls to
the ground in the form of _____________________ (sleet,
snow, hail or rain), and the surface water supply through
_____________________. - Answer-ATMOSPHERE,
PRECIPITATION, RUNOFF
The term ___________ _____________ refers to water
that collects beneath the surface of the earth in porous,
permeable, water-bearing geologic formations or aquifers.
- Answer-GROUND WATER
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The term __________ _____________ refers to water that
is found above ground in containment areas, such as
lakes, rivers, streams, creeks and reservoirs. - Answer-
SURFACE WATERS
Water table aquifers are recharged by ___________
__________________. - Answer-LOCAL PERCOLATION.
Rock-filled or lined pits dug at least 4 feet deep at the end
of a septic tank absorption field system are called
_________ _________. - Answer-SEEPAGE PITS.
Why is acceptable quality water vital? - Answer-Sustains
human life, the natural environment and the economic life
of Texas
Groundwater that is obtained via a well can be used for
what purpose? - Answer-Agricultural,
industrial/commercial and drinking water.
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What is the difference between a water table aquifer and
an artesian aquifer? - Answer-Water table aquifer is in
direct contact with either the soil or the intermediate belt.
_______ and ________ soil textural classes are always
unsuitable for standard absorptive OSSF - Answer-class
IA and IV
List each of the major soil horizons - Answer-surface soil
A, surface soil B, and parent material
_____________ is a term describing the ability of water to
migrate through a soil profile under either _________ or
__________ conditions. - Answer-Hydraulic conductivity,
saturated, unsaturated
Interconnected pores in the soil profile allow ______ and
_______ to enter the soil at its surface and migrate
downward - Answer-air, water
List the four components of soil - Answer-air, water,
organics, inorganics
A drainfield is 50 feet by 90 feet and must be covered with
an average of 15 inches of sand loam. How many cubic
yards of sandy loam soil must be purchased (find the
volume of a rectangular object)? - Answer-208.3 cubic
yards
Texas On-Site Sewage Facility (OSSF) Installer II Exam
COMPLETE VERIFIED QUESTIONS AND DETAILED
SOLUTIONS LATEST UPDATE THIS YEAR-JUST
RELEASED.pdf 1.||NEWEST EXAM!!!
Pits constructed in permeable soil with open-jointed
material along the sides to the bottom of the pit that
receive a direct discharge of raw waste water are called
__________________. - Answer-CESSPOOLS.
How are water born diseases transmitted? - Answer-
MICROORGANISMS
What are 3 primary routes of containment for pathogenetic
microorganisms and harmful chemicals from on-site
sewage systems to our environment? - Answer-
Neighborhood pollution, groundwater pollution and surface
water pollution.
What problems are a result of neighborhood pollution? -
Answer-~Diseases that can be spread by direct or indirect
contact with the standing water.
,2|Page
~Vectors such as roaches and flies, that can also spread
diseases after coming in contact with the waste water.
~Unsightly and unpleasant living conditions that result
from the standing waste water.
~Feuds and bad relationships with neighbors that can
result from waste water problems.
~Property values drop and real estate transactions fall
through. No one benefits and everyone suffers when
neighborhoods are fouled by waste water.
In the hydrologic cycle, water moves by evaporation and
transpiration into the ___________________ where it
comes in contact with cooler air, condenses, and falls to
the ground in the form of _____________________ (sleet,
snow, hail or rain), and the surface water supply through
_____________________. - Answer-ATMOSPHERE,
PRECIPITATION, RUNOFF
The term ___________ _____________ refers to water
that collects beneath the surface of the earth in porous,
permeable, water-bearing geologic formations or aquifers.
- Answer-GROUND WATER
,3|Page
The term __________ _____________ refers to water that
is found above ground in containment areas, such as
lakes, rivers, streams, creeks and reservoirs. - Answer-
SURFACE WATERS
Water table aquifers are recharged by ___________
__________________. - Answer-LOCAL PERCOLATION.
Rock-filled or lined pits dug at least 4 feet deep at the end
of a septic tank absorption field system are called
_________ _________. - Answer-SEEPAGE PITS.
Why is acceptable quality water vital? - Answer-Sustains
human life, the natural environment and the economic life
of Texas
Groundwater that is obtained via a well can be used for
what purpose? - Answer-Agricultural,
industrial/commercial and drinking water.
, 4|Page
What is the difference between a water table aquifer and
an artesian aquifer? - Answer-Water table aquifer is in
direct contact with either the soil or the intermediate belt.
_______ and ________ soil textural classes are always
unsuitable for standard absorptive OSSF - Answer-class
IA and IV
List each of the major soil horizons - Answer-surface soil
A, surface soil B, and parent material
_____________ is a term describing the ability of water to
migrate through a soil profile under either _________ or
__________ conditions. - Answer-Hydraulic conductivity,
saturated, unsaturated
Interconnected pores in the soil profile allow ______ and
_______ to enter the soil at its surface and migrate
downward - Answer-air, water
List the four components of soil - Answer-air, water,
organics, inorganics
A drainfield is 50 feet by 90 feet and must be covered with
an average of 15 inches of sand loam. How many cubic
yards of sandy loam soil must be purchased (find the
volume of a rectangular object)? - Answer-208.3 cubic
yards
