Wastewater Treatment Operator Certification Test #4| 80 questions| with complete solutions
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Course
Wastewater Treatment Operator Certification
Institution
Liberty University
1 mg/l is the same as 1 part per billion (ppb)
True or False Correct Answer: False (v.1 pg 468)
A SCADA system is capable of monitoring and controlling equipment from a remote location
True or False Correct Answer: True (v.2 pg 627)
A Discharge Monitoring Report is typically submitte...
wastewater treatment operator certification test 4| 80 questions| with complete solutions
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Liberty University
Wastewater Treatment Operator Certification
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Wastewater Treatment Operator Certification Test
#4| 80 questions| with complete solutions
1 mg/l is the same as 1 part per billion (ppb)
True or False Correct Answer: False (v.1 pg 468)
A SCADA system is capable of monitoring and controlling equipment from a remote location
True or False Correct Answer: True (v.2 pg 627)
A Discharge Monitoring Report is typically submitted to the regulatory agency on a daily basis
True or False Correct Answer: False
A mechanical seal is used to prevent leaks between the pump casing and shaft.
True or False Correct Answer: True (v.2 pg 356)
Alkalinity is the capacity of a liquid to neutralize a base.
True or False Correct Answer: False (v.2 pg 813)
Typical mixed liquor suspended solids concentration is 1,000 to 4,500 mg/l.
True or False Correct Answer: True (v.2 pg 54)
Turbidity is caused by suspended matters.
True or False Correct Answer: True (v.2 pg 606)
Algae is not essential to the successful operation of both aerobic and facultative ponds.
True or False Correct Answer: False (v.1 pg 299)
The addition of acid and CO2 will lower the pH of wastewater.
True or False Correct Answer: True (v.1 pg 299)
Hydrogen sulfide will deteriorate concrete structures.
True or False Correct Answer: True (v.1 pg 20)
The higher the pH, the better the disinfection Correct Answer: False (v.1 pg 352)
, Maintain a dissolved oxygen concentration of 12 to 14 mg/l in the aeration tank.
True or False Correct Answer: False (v.2 pg 53)
When the velocity of the wastewater in a clarifier is greater in some sections than others, it will
lead to short-circuiting.
True or False Correct Answer: True (v.1 pg 135)
The F/M ratio will decrease when the microorganism population in the aeration tank increases.
True or False Correct Answer: True (v.2 pg 16)
Algae growth will be faster when there is less sunlight.
True or False Correct Answer: False (v.1 pg 309)
The higher the temperature, the more rapid the rate of disinfection.
True or False Correct Answer: True (v.1 pg 352)
One of the benefits of recirculation for a trickling filter is that it decreases the contact time of the
wastewater with the biological film.
True or False Correct Answer: False (v.1 pg 175)
Maintaining a constant temperature in an anaerobic digester is one way to prevent foaming from
recurring.
True or False Correct Answer: True (v.2 pg 187)
Preventative maintenance is a proactive, programmed, and systematic approach to maintenance.
True or False Correct Answer: True (v.2 pg 718)
Abnormal operation in a pond will not occur if it is overloaded with BOD.
True or False Correct Answer: False (v.1 pg 307)
Anaerobic decomposition of sewage will release hydrogen sulfide.
True or False Correct Answer: True (v.1 pg 20)
Always pour water into acid, and never the other way around.
True or False Correct Answer: False (v.2 pg 302)
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