WATER DISTRIBUTION (2026) EXAM TEST WITH LATEST
UPDATED (QUESTIONS AND ANSWERS) ALREADY PASSED!!
A noisy or vibrating valve may be an indication of what? Correct
Answers Cavitation
The selective destruction or inactivation of pathogenic organisms is
Correct Answers Disinfection
Pathogenic organisms can be removed from water, killed, or inactivated
by Correct Answers Filtration
The most commonly used distribution system disinfection is Correct
Answers Free chlorine
A greenish- yellow gas with a penetrating and distinctive odor, two and
a half times heavier than air is Correct Answers Chlorine
A brief session to discuss aspects of a job and safety Correct Answers
Tailgate safety meeting
The most common means of disinfecting drinking water used today to
protect the public's health? Correct Answers Chlorination
What is the responsibility of water distribution system operators?
Correct Answers Ensure safe and pleasant drinking water is delivered to
everyone's tap
, A valve that automatically shuts off the flow into an elevated tank when
the water level in the tank reaches a predetermined level. Correct
Answers Altitude valve
A pump consisting of an impeller fixed on a rotating shaft, that is
enclosed in a casing, and having an inlet and a discharge connection
would be called Correct Answers Centrifugal pump
What is the MAIN purpose of a water storage facility? Correct Answers
To provide sufficient supply of water to average daily demands on the
water supply system
When is the best time to take a storage tank out of service? Correct
Answers When consumption is lowest
Gauges are commonly used on which side of a pump? Correct Answers
Discharge side
A condition which atmospheric or dissolved molecular oxygen is present
in the aquatic environment is called Correct Answers Aerobic
What is palatable water Correct Answers Pleasing to the senses (tastes,
odors, colors, and turbidity)
UPDATED (QUESTIONS AND ANSWERS) ALREADY PASSED!!
A noisy or vibrating valve may be an indication of what? Correct
Answers Cavitation
The selective destruction or inactivation of pathogenic organisms is
Correct Answers Disinfection
Pathogenic organisms can be removed from water, killed, or inactivated
by Correct Answers Filtration
The most commonly used distribution system disinfection is Correct
Answers Free chlorine
A greenish- yellow gas with a penetrating and distinctive odor, two and
a half times heavier than air is Correct Answers Chlorine
A brief session to discuss aspects of a job and safety Correct Answers
Tailgate safety meeting
The most common means of disinfecting drinking water used today to
protect the public's health? Correct Answers Chlorination
What is the responsibility of water distribution system operators?
Correct Answers Ensure safe and pleasant drinking water is delivered to
everyone's tap
, A valve that automatically shuts off the flow into an elevated tank when
the water level in the tank reaches a predetermined level. Correct
Answers Altitude valve
A pump consisting of an impeller fixed on a rotating shaft, that is
enclosed in a casing, and having an inlet and a discharge connection
would be called Correct Answers Centrifugal pump
What is the MAIN purpose of a water storage facility? Correct Answers
To provide sufficient supply of water to average daily demands on the
water supply system
When is the best time to take a storage tank out of service? Correct
Answers When consumption is lowest
Gauges are commonly used on which side of a pump? Correct Answers
Discharge side
A condition which atmospheric or dissolved molecular oxygen is present
in the aquatic environment is called Correct Answers Aerobic
What is palatable water Correct Answers Pleasing to the senses (tastes,
odors, colors, and turbidity)
