WATER DISTRIBUTION GRADE 1 FINAL EXAM-
ACTUAL EXAM |LATEST UPDATE 2025 | COMPLETE
QUESTIONS WITH CORRECT DETAILED AND VERIFIED
ANSWERS-MOSTLY TESTED QUESTIONS -RATED
100% CORRECT!!GUARANTEED PASS!! ALREADY
GRADED A+
The difference between the static groundwater and the pumping level. Pumping -
static = drawdown - ...(ANSWERS)....Drawdown
investigating the problem ASAP. - ...(ANSWERS)....A customer complaint about
the presence of brown floc in tap water can best be handled by...?
Groundwater - ...(ANSWERS)....The term "aquifer" refers to what type of water?
Carbon dioxide. CO2 in water creates carbonic acid, which drives down the pH,
making the water acidic. - ...(ANSWERS)....One indication of corrosive water is a
high concentration of...?
Corrosion. - ...(ANSWERS)....Cathodic protection means protection against what?
keep the hydrant from freezing. - ...(ANSWERS)....The primary reason for the use
of a dry barrel fire hydrant is to...?
More than. Denser water molecules hold onto oxygen more than the less dense
do. - ...(ANSWERS)....At the same barometric pressure, the amount of dissolved
,oxygen in cold water tends to be ______ the amount of dissolved oxygen in warm
water.
hydrogen sulfide - ...(ANSWERS)....The principal constituent in water that causes
corrosion of metals is...?
the impeller - ...(ANSWERS)....Which component of a centrifugal pump moves the
water?
A record containing size, location, and types of water mains, valves, hydrants,
tanks, reservoirs, and pump stations. - ...(ANSWERS)....Comprehensive map (AKA
Charles Atlas)
Potable - ...(ANSWERS)....Water suitable for drinking
feet per second - ...(ANSWERS)....Velocity of flow in mains is usually expressed in
terms of
identifying hazards and has the authority to take corrective measures. -
...(ANSWERS)....A "competent person" at an excavation work site is capable of...
rotten eggs - ...(ANSWERS)....Hydrogen sulfide gas smells like...?
,To remove high iron content from a well supply. - ...(ANSWERS)....Oxidation and
filtration can be used for what?
milligrams per liter as CaCO3 - ...(ANSWERS)....Hardness may be expressed in...?
Watt. Watt = volt x amp - ...(ANSWERS)....The basic unit of electrical power is
the...?
permit flow in only one direction - ...(ANSWERS)....Check valves are used to...?
6 - ...(ANSWERS)....Standard pumper - connection fire hydrants should not be
installed on water mains smaller than _________ inches in diameter
wearing the face mask of a self-contained breathing apparatus. -
...(ANSWERS)....Beards or long sideburns prohibit an operator from safely...?
upper surface of groundwater - ...(ANSWERS)....The water table is defined as
the...?
revolutions per minute - ...(ANSWERS)....The shaft speed of an electric motor is
most commonly expressed in units of what?
, determine the rate of scaling or corrosion. You want to be on the slight scaling
side. You do not want to be on the corrosion side. - ...(ANSWERS)....A coupon test
installation in a distribution system is used to...?
disease-causing bacteria. - ...(ANSWERS)....Pathogenic
6.8-8.5 - ...(ANSWERS)....Normally, surface water and groundwater have a pH
range of...?
anything in water that scatters light. - ...(ANSWERS)....Turbidity in water
Daily, prior to the start of work, and as needed throughout the shift. -
...(ANSWERS)....How often should a "competent person" inspect excavations and
adjacent areas for hazards?
The component of a centrifugal pump that is sometimes installed on the end of
the suction pipe to hold the priming. - ...(ANSWERS)....Foot valve
control maximum filling level in distribution storage. - ...(ANSWERS)....The
principal purpose to an altitude valve on an elevated tank is to...?
Primary authority for implementation and enforcement of drinking water
regulations. - ...(ANSWERS)....Primacy
ACTUAL EXAM |LATEST UPDATE 2025 | COMPLETE
QUESTIONS WITH CORRECT DETAILED AND VERIFIED
ANSWERS-MOSTLY TESTED QUESTIONS -RATED
100% CORRECT!!GUARANTEED PASS!! ALREADY
GRADED A+
The difference between the static groundwater and the pumping level. Pumping -
static = drawdown - ...(ANSWERS)....Drawdown
investigating the problem ASAP. - ...(ANSWERS)....A customer complaint about
the presence of brown floc in tap water can best be handled by...?
Groundwater - ...(ANSWERS)....The term "aquifer" refers to what type of water?
Carbon dioxide. CO2 in water creates carbonic acid, which drives down the pH,
making the water acidic. - ...(ANSWERS)....One indication of corrosive water is a
high concentration of...?
Corrosion. - ...(ANSWERS)....Cathodic protection means protection against what?
keep the hydrant from freezing. - ...(ANSWERS)....The primary reason for the use
of a dry barrel fire hydrant is to...?
More than. Denser water molecules hold onto oxygen more than the less dense
do. - ...(ANSWERS)....At the same barometric pressure, the amount of dissolved
,oxygen in cold water tends to be ______ the amount of dissolved oxygen in warm
water.
hydrogen sulfide - ...(ANSWERS)....The principal constituent in water that causes
corrosion of metals is...?
the impeller - ...(ANSWERS)....Which component of a centrifugal pump moves the
water?
A record containing size, location, and types of water mains, valves, hydrants,
tanks, reservoirs, and pump stations. - ...(ANSWERS)....Comprehensive map (AKA
Charles Atlas)
Potable - ...(ANSWERS)....Water suitable for drinking
feet per second - ...(ANSWERS)....Velocity of flow in mains is usually expressed in
terms of
identifying hazards and has the authority to take corrective measures. -
...(ANSWERS)....A "competent person" at an excavation work site is capable of...
rotten eggs - ...(ANSWERS)....Hydrogen sulfide gas smells like...?
,To remove high iron content from a well supply. - ...(ANSWERS)....Oxidation and
filtration can be used for what?
milligrams per liter as CaCO3 - ...(ANSWERS)....Hardness may be expressed in...?
Watt. Watt = volt x amp - ...(ANSWERS)....The basic unit of electrical power is
the...?
permit flow in only one direction - ...(ANSWERS)....Check valves are used to...?
6 - ...(ANSWERS)....Standard pumper - connection fire hydrants should not be
installed on water mains smaller than _________ inches in diameter
wearing the face mask of a self-contained breathing apparatus. -
...(ANSWERS)....Beards or long sideburns prohibit an operator from safely...?
upper surface of groundwater - ...(ANSWERS)....The water table is defined as
the...?
revolutions per minute - ...(ANSWERS)....The shaft speed of an electric motor is
most commonly expressed in units of what?
, determine the rate of scaling or corrosion. You want to be on the slight scaling
side. You do not want to be on the corrosion side. - ...(ANSWERS)....A coupon test
installation in a distribution system is used to...?
disease-causing bacteria. - ...(ANSWERS)....Pathogenic
6.8-8.5 - ...(ANSWERS)....Normally, surface water and groundwater have a pH
range of...?
anything in water that scatters light. - ...(ANSWERS)....Turbidity in water
Daily, prior to the start of work, and as needed throughout the shift. -
...(ANSWERS)....How often should a "competent person" inspect excavations and
adjacent areas for hazards?
The component of a centrifugal pump that is sometimes installed on the end of
the suction pipe to hold the priming. - ...(ANSWERS)....Foot valve
control maximum filling level in distribution storage. - ...(ANSWERS)....The
principal purpose to an altitude valve on an elevated tank is to...?
Primary authority for implementation and enforcement of drinking water
regulations. - ...(ANSWERS)....Primacy
