- | Page
OSSF Installer 1 License Exam And Answers Already Passed.
Question 1: In the hydrologic cycle, water moves by evaporation
and transpiration into the
CORRECT ANSWER : Atmosphere
Question 2: The term refers to water that collects beneath the
surface of the earth in porous, permeable, water-bearing geologic formations or aquifers.
CORRECT ANSWER : Ground Water
Question 3: Surface water refers to water that is found above
ground in containment areas, such as lakes, rivers, streams, creeks, and reservoirs.
CORRECT ANSWER : Surface water
Question 4: Water table aquifers are recharged by
CORRECT ANSWER : Local percolation
Question 5: Rock-filled or lined pits dug at least 4 feet deep at
the end of a septic tank absorption field system are called
- | Page
CORRECT ANSWER : Sepage pits
Question 6: 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 wastewater are called
CORRECT ANSWER : Cess pools
Question 7: How are waterborne diseases transmitted?
CORRECT ANSWER : Microorganisms (pathogens) that live in
the intestine are passed in the feces and get into the water supply
Question 8: What are the three primary routes of contamination
for pathogenic microorganisms and harmful chemicals from on- site sewage systems to our environment?
CORRECT ANSWER : Neighborhood pollution, Groundwater
contamination, Surface water pollution
Question 9: What problems are a result of neighborhood
pollution?
CORRECT ANSWER : Diseases that can be spread by direct or
indirect contact with the standing wastewater. Vectors, such as roaches and flies, that can also spread diseases after coming in
- | Page
contact with the wastewater. Unsightly and unpleasant living conditions that result from the standing wastewater and odors.Feuds and bad relationships between neighbors that can result from the wastewater problems. Property values drop and real estate transactions fall through. No one benefits and everyone suffers when neighborhoods are fouled by wastewater.
Question 10: Why is acceptable quality water vital?
CORRECT ANSWER : No resource in Texas or elsewhere is
more valuable than water. Acceptable quality water is not only vital in sustaining human life, but is also vital in sustaining the natural environment and the economic life of Texas.
Question 11: Ground water that is obtained via a well can be
used for
CORRECT ANSWER : Drinking, industrial, or agricultural
Question 12: Water table aquifer vs artesian
CORRECT ANSWER : Water table aquifer - direct contact with
either soil or the intermediate belt, Artesian aquifer - overlaid by a layer of impervious material that recieves little or no recharge throigh this confining layer
- | Page
Question 13: Static water level
CORRECT ANSWER : Level at which water stands in a well
Question 14: Two categories of sources of pollutants in surface
water
CORRECT ANSWER : Point source pollution, Nonpoint source
pollution
Question 15: Point source vs non point pollution
CORRECT ANSWER : Point source comes from specific
locations through discharge structures (pipes or ditches). Can be monitored, controlled, and inspected, Nonpoint source is intermittent, dispersed flow that escapes from pollution sources with little or no control
Question 16: Groundwater quality is recognized as a minor
problem in Texas.