Water Distribution Grade 1 Certification ADEQ Practice
Exam Questions With Complete Solutions
_____________ water pressure must be maintained to ensure
adequate customer service during peak flow periods. However,
minimum positive pressure must be maintained in mains to
protect against backflow or backsiphonage from cross-
connections. Correct Answers Minimum
_______________ available chlorine is very effective in killing
bacteria. Correct Answers Free
A continuous positive pressure in a distribution system is
essential for preventing what event? Correct Answers Backflow
Event
According to Arizona State Rule, an "air-gap separation" means
a physical separation between the discharge end of a supply pipe
and the top rim of its receiving vessel, which has a separation
distance equal to at least? Correct Answers 1 inch or twice the
diameter of the supply pipe, whichever is greater.
According to Arizona State Rule, this term means 1 of the
family of organic compounds, named as derivatives of methane,
wherein 3 of 4 hydrogen atoms in methane are substituted by a
halogen atom in the molecular structure. Correct Answers
Trihalomethanes
As soon as Cl2 gas enters the throat area, a victim will sense a
sudden stricture in this area-Nature's way of signaling to prevent
passage of the gas to the lungs. At this point, the victim must
,attempt to do two things: get out of the area of the leak,
proceeding upwind, and to take only very short breaths through
the mouth. Normal breathing will cause __________, which
must be prevented if possible. Correct Answers Coughing
At which type of facility is a remote operator allowed to
operate? Any Grade 1 or Grade 2 __________________.
Correct Answers Facility
At which type of facility is a remote operator allowed to
operate? Correct Answers Any Grade 1 or Grade 2 facility
At which type of facility is an on-site operator mandatory? All
grade _____ and grade _________ facilities. Correct Answers 3
&4
Before beginning an excavation, who should be contacted to
assist in determining the location of all underground utilities in
the work are? An "underground Service Alert" center, "One Call
Center" or ____________________, all three of these are the
same. Correct Answers Bluestake
Centrifugal pumps do not generate suction unless the impeller is
submerged in water. If a pump is located above the level of
water what must be provided on the suction piping to hold the
prime? Correct Answers Foot Valve
Chlorine gas causes suffocation, constriction of the chest,
tightness in the throat, and edema of the ______________.
Correct Answers Lungs
, Define the term "Water Hammer." A _________________ in a
pipeline resulting from the rapid increase or decrease in water
flow. Correct Answers Pressure Surge
Explain statements concerning confined space entry? Correct
Answers May be required. To ventilate the confined space.
Operators are not required to wear SCBAs unless there is an
atmospheric condition that requires SCBA. Atmospheric
monitoring must be performed. Other hazards may be present,
for example hazardous energy, or engulfment. A permit required
confined space will require signage and three persons present to
enter the space.
Explain the procedures concerning a confined space safety
procedure? Correct Answers The concentration of oxygen
should range between 19.5 percent to 23.5 percent before
entering. A self-contained breathing apparatus may be
necessary. Radio contact with a supervisor does not need to be
continuous. All persons entering the tank must have a safety
harness.
Generally, how long will a water storage tank's interior coating
(paint) protect the interior? _________________ years. Correct
Answers 3-5 years.
How close must a certified operator of a facility live to a facility
to legally operate the facility as a remote operator? Within 200
miles by ________ travel. Correct Answers Ground
Exam Questions With Complete Solutions
_____________ water pressure must be maintained to ensure
adequate customer service during peak flow periods. However,
minimum positive pressure must be maintained in mains to
protect against backflow or backsiphonage from cross-
connections. Correct Answers Minimum
_______________ available chlorine is very effective in killing
bacteria. Correct Answers Free
A continuous positive pressure in a distribution system is
essential for preventing what event? Correct Answers Backflow
Event
According to Arizona State Rule, an "air-gap separation" means
a physical separation between the discharge end of a supply pipe
and the top rim of its receiving vessel, which has a separation
distance equal to at least? Correct Answers 1 inch or twice the
diameter of the supply pipe, whichever is greater.
According to Arizona State Rule, this term means 1 of the
family of organic compounds, named as derivatives of methane,
wherein 3 of 4 hydrogen atoms in methane are substituted by a
halogen atom in the molecular structure. Correct Answers
Trihalomethanes
As soon as Cl2 gas enters the throat area, a victim will sense a
sudden stricture in this area-Nature's way of signaling to prevent
passage of the gas to the lungs. At this point, the victim must
,attempt to do two things: get out of the area of the leak,
proceeding upwind, and to take only very short breaths through
the mouth. Normal breathing will cause __________, which
must be prevented if possible. Correct Answers Coughing
At which type of facility is a remote operator allowed to
operate? Any Grade 1 or Grade 2 __________________.
Correct Answers Facility
At which type of facility is a remote operator allowed to
operate? Correct Answers Any Grade 1 or Grade 2 facility
At which type of facility is an on-site operator mandatory? All
grade _____ and grade _________ facilities. Correct Answers 3
&4
Before beginning an excavation, who should be contacted to
assist in determining the location of all underground utilities in
the work are? An "underground Service Alert" center, "One Call
Center" or ____________________, all three of these are the
same. Correct Answers Bluestake
Centrifugal pumps do not generate suction unless the impeller is
submerged in water. If a pump is located above the level of
water what must be provided on the suction piping to hold the
prime? Correct Answers Foot Valve
Chlorine gas causes suffocation, constriction of the chest,
tightness in the throat, and edema of the ______________.
Correct Answers Lungs
, Define the term "Water Hammer." A _________________ in a
pipeline resulting from the rapid increase or decrease in water
flow. Correct Answers Pressure Surge
Explain statements concerning confined space entry? Correct
Answers May be required. To ventilate the confined space.
Operators are not required to wear SCBAs unless there is an
atmospheric condition that requires SCBA. Atmospheric
monitoring must be performed. Other hazards may be present,
for example hazardous energy, or engulfment. A permit required
confined space will require signage and three persons present to
enter the space.
Explain the procedures concerning a confined space safety
procedure? Correct Answers The concentration of oxygen
should range between 19.5 percent to 23.5 percent before
entering. A self-contained breathing apparatus may be
necessary. Radio contact with a supervisor does not need to be
continuous. All persons entering the tank must have a safety
harness.
Generally, how long will a water storage tank's interior coating
(paint) protect the interior? _________________ years. Correct
Answers 3-5 years.
How close must a certified operator of a facility live to a facility
to legally operate the facility as a remote operator? Within 200
miles by ________ travel. Correct Answers Ground
