WATER TREATMENT BUNDLED
COMPREHENSIVE EXAM SCRIPT
TESTED QUESTIONS VERIFIED
SOLUTIONS
◉ What term is used when a water utility divides its total operating
expenses into a total revenue? Answer: Operating ratio
◉ How often should data, such as flow rate, amount of water treated,
dosage of chemical, and reservoir levels be recorded? Answer: Daily
◉ Under the requirements of the Safe Water Drinking Act, it is the
duty of the water purveyor to deliver potable water of proper
quantity only as far as the... Answer: Consumer's tap inside the home
◉ 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.... Answer: 15 service
connections or over 25 persons for over 60 days a year
◉ What agent is responsible for reporting lab results to the
regulatory agency? Answer: Water system owner
, ◉ What causes water to moves through pores in the soil & rocks?
Answer: Gravity
◉ Disease producing bacteria are called ? Answer: Pathogens
◉ What are the two main causes of hardness in water? Answer:
Calcium & Magnesium
◉ What device measures the flow rate of gases? Answer: Rotameter
◉ Excessive internal pressure, which may be several times the
normal operating pressure and can seriously damage
hydropneumatic tanks, valves, and piping network? Answer: Water
Hammer
◉ Most pumps must be primed before startup in order to... Answer:
Start the flow of water
◉ What is the purpose of a check valve? Answer: Act as an automatic
shutoff valve when the pump stops
◉ Which form of hypochlorite is the most dangerous to handle?
Answer: Calcium
COMPREHENSIVE EXAM SCRIPT
TESTED QUESTIONS VERIFIED
SOLUTIONS
◉ What term is used when a water utility divides its total operating
expenses into a total revenue? Answer: Operating ratio
◉ How often should data, such as flow rate, amount of water treated,
dosage of chemical, and reservoir levels be recorded? Answer: Daily
◉ Under the requirements of the Safe Water Drinking Act, it is the
duty of the water purveyor to deliver potable water of proper
quantity only as far as the... Answer: Consumer's tap inside the home
◉ 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.... Answer: 15 service
connections or over 25 persons for over 60 days a year
◉ What agent is responsible for reporting lab results to the
regulatory agency? Answer: Water system owner
, ◉ What causes water to moves through pores in the soil & rocks?
Answer: Gravity
◉ Disease producing bacteria are called ? Answer: Pathogens
◉ What are the two main causes of hardness in water? Answer:
Calcium & Magnesium
◉ What device measures the flow rate of gases? Answer: Rotameter
◉ Excessive internal pressure, which may be several times the
normal operating pressure and can seriously damage
hydropneumatic tanks, valves, and piping network? Answer: Water
Hammer
◉ Most pumps must be primed before startup in order to... Answer:
Start the flow of water
◉ What is the purpose of a check valve? Answer: Act as an automatic
shutoff valve when the pump stops
◉ Which form of hypochlorite is the most dangerous to handle?
Answer: Calcium
