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TCEQ CLASS D WATER OPERATOR LICENSE EXAM
NEWEST ACTUAL VERIFIED EXAM COMPLETE 180
QUESTIONS AND CORRECT DETAILED ANSWERS
(VERIFIED ANSWERS) |ALREADY GRADED
A+||NEWEST EXAM!!
Service tap components usually include a tapping saddle,
corporation stop, service line tubing, curb stop, and
_______. - ANSWER-meter
T/F: A distribution system without dead ends is called an
open system - ANSWER-False (looped system)
An intruder-resistant fence with lockable gates must
enclose the storage site. - ANSWER-True
T/F: Ground water supply systems serving more than 50
connections must have a
-ground (total) storage capacity of 200 gallons per
connection and
-elevated storage capacity of 100 gallons per connection
or
-pressure tank capacity of 20 gallons per connection. -
ANSWER-True
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The system must maintain a minimum pressure of ____
psi under normal conditions and at least _____ psi during
emergencies. - ANSWER-
The primary advantage of elevated storage is that
pressure is ___________ when supply pumps are off or
electrical power is lost. - ANSWER-maintained
Stored water can meet sudden demands such as fire,
absorb pressure surges, provide detention/contact time for
________, and allow for expansion of the distribution
system. - ANSWER-chlorination
T/F: Methods of fighting corrosion include coatings,
temperature adjustment, and cathodic protection. -
ANSWER-False (pH adjustment, Orthophosphates, Poly-
pigs)
T/F: The most common design for residential service is the
positive replacement meter. - ANSWER-False
T/F: The curb stop connects the main service line and the
corporation stop isolates the meter for repair or
replacement - ANSWER-False (The *corporation stop*
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connects to the city main and the *curb stop* is used to
isolate the meter for repair)
T/F: Close a fire hydrant slowly or a water log could occur.
- ANSWER-False
To help safeguard against electrocution or machine injury,
a safety program should have a ___________ policy. -
ANSWER-lockout / tagout
Install all _______ from the top down and remove from the
bottom up. - ANSWER-shoring
T/F: Before digging, notify underground utilities. -
ANSWER-True
The Texas Hazard Communication Act requires employers
to provide Safety Data Sheets (SDS) for hazardous
______ used in the workplace. - ANSWER-chemicals
T/F: Training in the hazardous chemicals must be taken
only once a year. - ANSWER-False
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Destratification is the mixing of lake water by compressed
air to prevent layers of different __________ from
developing. - ANSWER-temperature
All PWS in Texas are required to use ________ as the
final disinfectant. - ANSWER-chlorine
T/F: Powdered activated carbon (PAC) is commonly used
to treat iron and manganese. - ANSWER-False (removes
the tastes and odors usually caused by dead and
decaying *algae* and vegetation)
A restricted zone of ______ ft radius from the raw water
intake must be established and recreational activities and
trespassing shall be prohibited. - ANSWER-200
T/F: The Rio Grande River is the longest river in Texas,
stretching 250 miles along the Mexico border. - ANSWER-
False (1250 miles)
T/F: Filtration is the first step in the removal of suspended
solids. - ANSWER-False (Sedimentation)
TCEQ CLASS D WATER OPERATOR LICENSE EXAM
NEWEST ACTUAL VERIFIED EXAM COMPLETE 180
QUESTIONS AND CORRECT DETAILED ANSWERS
(VERIFIED ANSWERS) |ALREADY GRADED
A+||NEWEST EXAM!!
Service tap components usually include a tapping saddle,
corporation stop, service line tubing, curb stop, and
_______. - ANSWER-meter
T/F: A distribution system without dead ends is called an
open system - ANSWER-False (looped system)
An intruder-resistant fence with lockable gates must
enclose the storage site. - ANSWER-True
T/F: Ground water supply systems serving more than 50
connections must have a
-ground (total) storage capacity of 200 gallons per
connection and
-elevated storage capacity of 100 gallons per connection
or
-pressure tank capacity of 20 gallons per connection. -
ANSWER-True
,2|Page
The system must maintain a minimum pressure of ____
psi under normal conditions and at least _____ psi during
emergencies. - ANSWER-
The primary advantage of elevated storage is that
pressure is ___________ when supply pumps are off or
electrical power is lost. - ANSWER-maintained
Stored water can meet sudden demands such as fire,
absorb pressure surges, provide detention/contact time for
________, and allow for expansion of the distribution
system. - ANSWER-chlorination
T/F: Methods of fighting corrosion include coatings,
temperature adjustment, and cathodic protection. -
ANSWER-False (pH adjustment, Orthophosphates, Poly-
pigs)
T/F: The most common design for residential service is the
positive replacement meter. - ANSWER-False
T/F: The curb stop connects the main service line and the
corporation stop isolates the meter for repair or
replacement - ANSWER-False (The *corporation stop*
,3|Page
connects to the city main and the *curb stop* is used to
isolate the meter for repair)
T/F: Close a fire hydrant slowly or a water log could occur.
- ANSWER-False
To help safeguard against electrocution or machine injury,
a safety program should have a ___________ policy. -
ANSWER-lockout / tagout
Install all _______ from the top down and remove from the
bottom up. - ANSWER-shoring
T/F: Before digging, notify underground utilities. -
ANSWER-True
The Texas Hazard Communication Act requires employers
to provide Safety Data Sheets (SDS) for hazardous
______ used in the workplace. - ANSWER-chemicals
T/F: Training in the hazardous chemicals must be taken
only once a year. - ANSWER-False
, 4|Page
Destratification is the mixing of lake water by compressed
air to prevent layers of different __________ from
developing. - ANSWER-temperature
All PWS in Texas are required to use ________ as the
final disinfectant. - ANSWER-chlorine
T/F: Powdered activated carbon (PAC) is commonly used
to treat iron and manganese. - ANSWER-False (removes
the tastes and odors usually caused by dead and
decaying *algae* and vegetation)
A restricted zone of ______ ft radius from the raw water
intake must be established and recreational activities and
trespassing shall be prohibited. - ANSWER-200
T/F: The Rio Grande River is the longest river in Texas,
stretching 250 miles along the Mexico border. - ANSWER-
False (1250 miles)
T/F: Filtration is the first step in the removal of suspended
solids. - ANSWER-False (Sedimentation)
