CRRN UPDATED ACTUAL EXAM QUESTIONS CORRECT ANSWERS GRADED A PLUS
Question:
Which of the following describes domestic wastewater as it leaves a home??
Answer:
fresh, light in color, has dissolved oxygen
Question:
Which of the following are problems caused by malfunctioning septic tank systems??
Answer:
surface water pollution, groundwater contamination, and standing sewage in neighborhoods
Question:
An inorganic chemical that affects human health is?
Answer:
nitrate
Question:
Parasites (helminths) found in untreated sewage include ________.?
Answer:
hookworm, round worms, and tapeworms
Question:
Viruses are responsible for such diseases as?
Answer:
,poliomyelitis and infectious hepatitis
Question:
A type of bacteria that indicates sewage contamination is ________.?
Answer:
fecal coliform
Question:
Protozoa are very simple animal organisms that may cause ________.?
Answer:
amoeba dysentery and Giardiasis
Question:
Waterborne diseases that spread by pathogenic bacteria include _________.?
Answer:
typhoid, cholera, and dysentery
Question:
Microorganisms in wastewater include __________.?
Answer:
bacteria, viruses, protozoa and helminths.
Question:
Microorganisms that cause disease are called _________.?
Answer:
pathogens
,Question:
Domestic wastewater contains microorganisms that are capable of causing _________.?
Answer:
infectious diseases
Question:
An official inspector of a new OSSF is a(n) _______.?
Answer:
designated representative
Question:
A trench requires 430 cubic feet of gravel. How many cubic yards must be purchased??
Answer:
16 cubic yards
Question:
A septic tank had a working volume of 31 cubic feet. How many gallons does this septic tank hold??
Answer:
approx. 232 gals
Question:
The area of a lot is 20,076 square feet. What is the area of this lot in acres??
Answer:
0.46 acres
, Question:
A trench measures 30 inches wide. How wide is the trench in feet??
Answer:
2.5'
Question:
A particular hazard that OSSF installers face that most construction workers do not is _______.?
Answer:
infectious waterborne diseases
Question:
List the equipment and procedures to protect a work site.?
Answer:
signs, regulated speed, cones, barricade, high level flags
Question:
Who can legally install a septic tank followed by a low-pressure dosing drain field at a rental
house??
Answer:
Installer II
Question:
Planning materials for an OSSF utilizing secondary treatment must be prepared by a/an?
Answer:
PE (professional engineer) or RS (registered sanitarian)
Question:
Question:
Which of the following describes domestic wastewater as it leaves a home??
Answer:
fresh, light in color, has dissolved oxygen
Question:
Which of the following are problems caused by malfunctioning septic tank systems??
Answer:
surface water pollution, groundwater contamination, and standing sewage in neighborhoods
Question:
An inorganic chemical that affects human health is?
Answer:
nitrate
Question:
Parasites (helminths) found in untreated sewage include ________.?
Answer:
hookworm, round worms, and tapeworms
Question:
Viruses are responsible for such diseases as?
Answer:
,poliomyelitis and infectious hepatitis
Question:
A type of bacteria that indicates sewage contamination is ________.?
Answer:
fecal coliform
Question:
Protozoa are very simple animal organisms that may cause ________.?
Answer:
amoeba dysentery and Giardiasis
Question:
Waterborne diseases that spread by pathogenic bacteria include _________.?
Answer:
typhoid, cholera, and dysentery
Question:
Microorganisms in wastewater include __________.?
Answer:
bacteria, viruses, protozoa and helminths.
Question:
Microorganisms that cause disease are called _________.?
Answer:
pathogens
,Question:
Domestic wastewater contains microorganisms that are capable of causing _________.?
Answer:
infectious diseases
Question:
An official inspector of a new OSSF is a(n) _______.?
Answer:
designated representative
Question:
A trench requires 430 cubic feet of gravel. How many cubic yards must be purchased??
Answer:
16 cubic yards
Question:
A septic tank had a working volume of 31 cubic feet. How many gallons does this septic tank hold??
Answer:
approx. 232 gals
Question:
The area of a lot is 20,076 square feet. What is the area of this lot in acres??
Answer:
0.46 acres
, Question:
A trench measures 30 inches wide. How wide is the trench in feet??
Answer:
2.5'
Question:
A particular hazard that OSSF installers face that most construction workers do not is _______.?
Answer:
infectious waterborne diseases
Question:
List the equipment and procedures to protect a work site.?
Answer:
signs, regulated speed, cones, barricade, high level flags
Question:
Who can legally install a septic tank followed by a low-pressure dosing drain field at a rental
house??
Answer:
Installer II
Question:
Planning materials for an OSSF utilizing secondary treatment must be prepared by a/an?
Answer:
PE (professional engineer) or RS (registered sanitarian)
Question:
