Practice Certification Exam for Water Treatment operation Actual exam
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Course
Wastewater
Institution
Wastewater
Practice Certification Exam for Water Treatment operation Actual exam
Investigate immediately.
If a consumer complains about the drinking water characteristics, the operator should record the complaint and
Operating ratio
What term is used when a water utility divides its total operating ex...
practice certification exam for water treatment op
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Practice Certification Exam for Water
Treatment operation Actual exam
Investigate immediately.
If a consumer complains about the drinking water characteristics, the operator should record the
complaint and
Operating ratio
What term is used when a water utility divides its total operating expenses into the total revenue?
Daily
How often should operating data, such as flow rate, amount of water treated, dosage of chemical,
and reservoir levels be recorded?
Document that safe drinking water has been delivered to customers
Which of the following is the most important reason to keep daily records of operational data?
Consumer's tap inside the home.
Under the requirements of the Safe Drinking Water Act, it is the duty of the water purveyor to deliver
potable water of proper quantity only as far as the
15 service connections or over 25 persons for over 60 days a year.
According to the Safe Drinking Water Act, the basic definition of a public water supply system is any
water system that supplies water for human consumption that serves
Water system owner
What agent is responsible for for reporting lab results to the regulatory agency?
3 months of the violation in a daily newspaper in the area served by the system.
According to the USEPA drinking water regulations, the owner or operator of a public water system
which fails to comply with applicable monitoring requirements must give notice to the public within
OSHA
What federal law is designed to protect the safety and health of operators?
Safe Drinking Water Act
What federal law regulates public water supplies?
Gravity
What causes water to move through pores in soil and rocks?
Coliform bacteria
What is commonly used indicator of possible health problems found in plants, soil, water and the
intestines of humans and warm-blooded animals?
, Pathogenic
What are disease producing bacteria called?
Calcium and Magnesium
What are the two main causes of hardness in water?
Deep well in gravel
Which source of water has the greatest natural protection from bacterial contamination?
Rotameter
What device measures the flow rate of gases?
According to the manufacturer recommendations
How often should preventative maintenance for equipment be performed?
total energy that a pump must develop for pumping to take place.
Dynamic head is best described as the
Water hammer
Which of the following terms refers to the excessive internal pressure, which may be several times
the normal operating pressure and can seriously damage hydropneumatic tanks, valves, and the
piping network?
Electricity
Which of the following should an operator investigate first when the well pump and control problems
occur?
start the flow of water.
Most pumps must be primed before startup in order to
Act as an automatic shutoff valve when the pump stops
What is the purpose of a check valve?
Avoid future equipment problems
What is the primary purpose of a preventative maintenance program?
10%
A mixture of air and gas is considered hazardous when the mixture exceeds what percentage of the
lower explosive limit (LEL)?
Wire pumps, compressors, and electrical components of the water system
Which of the following duties should NOT be performed by a small system operator?
Alerting operators of unsafe acts and conducting mandatory safety training
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