Water Distro - Chapter 4 Exam
Questions With 100% Correct Answers
All complaints should be treated as legitimate and investigated as soon as possible.
1. True
2. False - CORRECT ANSWER-1. True
Avoiding unnecessary water consumption, recycling trimmings, and limiting chemical
use are important guidelines to environmentally friendly landscaping.
1. True
2. False - CORRECT ANSWER-1. True
Exercising ( opening and closing) a valve should be done at the same time the valve
inspection is made.
1. True
2. False - CORRECT ANSWER-1. True
A Geographic Information System (GIS) can generate work orders in the form of a map
with the work to be performed outlined on the map.
1. True
2. False - CORRECT ANSWER-1. True
A pipes useful life can be extended if it is properly maintained and rehabilitated.
1. True
2. False - CORRECT ANSWER-1. True
,Higher water pressures in pipes increase the overregistration of meters.
1. True
2. False - CORRECT ANSWER-2. False
The water suppliers management and operators have the legal responsibility for
delivering a safe water to their customers.
1. True
2. False - CORRECT ANSWER-1. True
A lack of chlorine residual in a distribution system could indicate the potential presence
of heavy contamination.
1. True
2. False - CORRECT ANSWER-1. True
When performing electrical thawing of frozen water services. Clean the service pipe at
the point where the thawing power is to be connected because a poor electrical
connection may cause arcing. Which could cut holes through the pipe .
1. True
2. False - CORRECT ANSWER-1. True
Routine flushing of dead- end lines is often necessary to avoid taste and odor
complaints.
1. True
2. False - CORRECT ANSWER-1. True
What is a vulnerability assessment of a water distribution system ?
1. A determination of which parts of a system need repair/ replacement
, 2. A determination of the funding needed to recover from a disaster
3. A determination of where the weaknesses are is the disaster being considered
occurred
4. A determination of which staff can respond to the disaster - CORRECT ANSWER-3.
A determination of where the weaknesses are if the disaster being considered occurred
What is the most important safety precaution that must be taken before repairing or
adjusting any equipment ?
1. Lock out, block out , and tag the equipment
2. Use the buddy system
3. Contact the safety officer
4. Notify supervisor - CORRECT ANSWER-1. Lock out , block out , and tag the
equipment
Where should samples be drawn from for the best and truest evaluation of water
quality ?
1. Directly from the consumers tap
2. Directly from the source of the water supply
3. Directly from the main at specially designed sampling stations
4. Directly from the treatment plants clear well - CORRECT ANSWER-3. Directly from
the main at specially designed sampling stations
Why should hypochlorite solution be stored in a cool, dark location and used as soon as
possible ?
1. To prevent formation of THMs
2. To prevent escape of chlorine odors
3. To prevent deterioration of the solution
Questions With 100% Correct Answers
All complaints should be treated as legitimate and investigated as soon as possible.
1. True
2. False - CORRECT ANSWER-1. True
Avoiding unnecessary water consumption, recycling trimmings, and limiting chemical
use are important guidelines to environmentally friendly landscaping.
1. True
2. False - CORRECT ANSWER-1. True
Exercising ( opening and closing) a valve should be done at the same time the valve
inspection is made.
1. True
2. False - CORRECT ANSWER-1. True
A Geographic Information System (GIS) can generate work orders in the form of a map
with the work to be performed outlined on the map.
1. True
2. False - CORRECT ANSWER-1. True
A pipes useful life can be extended if it is properly maintained and rehabilitated.
1. True
2. False - CORRECT ANSWER-1. True
,Higher water pressures in pipes increase the overregistration of meters.
1. True
2. False - CORRECT ANSWER-2. False
The water suppliers management and operators have the legal responsibility for
delivering a safe water to their customers.
1. True
2. False - CORRECT ANSWER-1. True
A lack of chlorine residual in a distribution system could indicate the potential presence
of heavy contamination.
1. True
2. False - CORRECT ANSWER-1. True
When performing electrical thawing of frozen water services. Clean the service pipe at
the point where the thawing power is to be connected because a poor electrical
connection may cause arcing. Which could cut holes through the pipe .
1. True
2. False - CORRECT ANSWER-1. True
Routine flushing of dead- end lines is often necessary to avoid taste and odor
complaints.
1. True
2. False - CORRECT ANSWER-1. True
What is a vulnerability assessment of a water distribution system ?
1. A determination of which parts of a system need repair/ replacement
, 2. A determination of the funding needed to recover from a disaster
3. A determination of where the weaknesses are is the disaster being considered
occurred
4. A determination of which staff can respond to the disaster - CORRECT ANSWER-3.
A determination of where the weaknesses are if the disaster being considered occurred
What is the most important safety precaution that must be taken before repairing or
adjusting any equipment ?
1. Lock out, block out , and tag the equipment
2. Use the buddy system
3. Contact the safety officer
4. Notify supervisor - CORRECT ANSWER-1. Lock out , block out , and tag the
equipment
Where should samples be drawn from for the best and truest evaluation of water
quality ?
1. Directly from the consumers tap
2. Directly from the source of the water supply
3. Directly from the main at specially designed sampling stations
4. Directly from the treatment plants clear well - CORRECT ANSWER-3. Directly from
the main at specially designed sampling stations
Why should hypochlorite solution be stored in a cool, dark location and used as soon as
possible ?
1. To prevent formation of THMs
2. To prevent escape of chlorine odors
3. To prevent deterioration of the solution
