Exam (elaborations)
2024 DESIGNATED REPRESENTATIVE OSSF EXAM WITH CORRECT ANSWERS
- Course
- Institution
2024 DESIGNATED REPRESENTATIVE OSSF EXAM WITH CORRECT ANSWERS
[Show more]
Content preview
2024 DESIGNATEDREPRESENTATIVE OSSF EXAM
WITH CORRECT ANSWERS
Domestic wastewater contains microorganisms that are capable of causing -
CORRECT-ANSWERSInfectious diseases
microorganisms that cause disease - CORRECT-ANSWERSPathogens
Microorganisms in wastewater - CORRECT-ANSWERSBacteria, viruses,
protozoa, helminths
Waterborne diseases which spread by pathogenic bacteria - CORRECT-
ANSWERSTyphoid, cholera, and dysentery
Protozoa are very simple animal organisms which may cause - CORRECT-
ANSWERSAmoebic dysentery and giardiasis
Type of bacteria indicates sewage contamination - CORRECT-ANSWERSFecal
Coliform
Viruses responsible for such diseases as - CORRECT-ANSWERSpoliomyelitis &
infectious hepatitis
Parasites in untreated sewage include - CORRECT-ANSWERSBookworm round
worms tapeworms
An inorganic chemical which affects human health - CORRECT-
ANSWERSNitrate
Malfunctioning septic tank systems cause serious problems such as -
CORRECT-ANSWERSSurface water pollution, standing sewage in
neighborhoods, groundwater contamination
Water resources are vital because water is necessary for - CORRECT-
ANSWERSAgriculture, human life, economic viability in an area
Domestic wastewater is normally _______ as it leaves a home - CORRECT-
ANSWERSFresh, has dissolved oxygen, light in color, considered dangerous
, A solid that can be filtered out of the wastewater - CORRECT-
ANSWERSSuspended solid
Physical removal of bacteria by straining occurs when - CORRECT-
ANSWERSThe bacteria are larger than the pore openings in the soil
The factors influencing the survival of bacteria in soil are - CORRECT-
ANSWERSMoisture, temperature, pH, & organic matter
Nitrogen or nitrate removal in soil occurs by - CORRECT-ANSWERSVegetation
uptake
Primary treatment device providing the least or poorest treatment of
domestic wastewater would be - CORRECT-ANSWERSSeptic tank
Disposal option considered in clay soil would be - CORRECT-ANSWERSDrip or
spray irrigation
List 4 components of soil - CORRECT-ANSWERSAir, water, organics,
inorganics
Interconnected pores in the soil profile allow ___ & ___ to enter the soil at its
surface and migrate downward - CORRECT-ANSWERSAir/water
The ability of water to migrate through a soil profile under either saturated or
unsaturated conditions - CORRECT-ANSWERSHydraulic conductivity
List each of the major soil horizons - CORRECT-ANSWERSSurface Soil A,
Subsoil B, Parent Material
Soil textural classes which are always unsuitable for a standard absorptive
OSSF - CORRECT-ANSWERSClass Ib & Class IV
Class II Soils include USDA classes of - CORRECT-ANSWERSSandy loam &
loam
A tool to graphically delineate soil textural classes - CORRECT-
ANSWERSUSDA soil textural triangle
List the two unsuitable types of soil structure or structural condition -
CORRECT-ANSWERSPlaty & Massive
A soil color pattern of orange and brown on a background of gray or bluish
color - CORRECT-ANSWERSMottling
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Elitaa. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $13.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
75057 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now