PMT 108 PRINCIPLES OF WATER TEST 3 QUESTIONS WITH 100% CORRECT ANSWERS!!
Air gap - (answer)A physical separation sufficient to prevent backflow between the free-flowing
discharge and a possible water system outlet and any other system.
Backflow - (answer)The flow of non-potable water or other liquids mixtures or substances into the
potable water supply system.
Back siphonage - (answer)Backflow resulting from negative pressures in the distribution pipes of potable
water systems.
backflow prevention device - (answer)A device or means designed to prevent backflow or back
siphonage.
Check Valve - (answer)Self closing device that is designed to allow the flow of fluids in one direction and
to close if there is a reversal of flow.
Chloramine (Combined Available Chlorine) - (answer)The chlorine products formed by the reaction of
equilibrium products of ammonia with the equilibrium products of chlorine to form chloramines.
Contaminant - (answer)Anything found in water which may be harmful to human health example micro
organisms minerals chemicals.
Cross connection - (answer)Any actual or potential connection between the public water supply and a
source of contamination or pollution.
Disinfectant - (answer)A chemical or physical process that kills microorganisms such as bacteria, viruses,
and Protozoa.
Filtration - (answer)A process for removing particulate matter from water by passage through porous
media
, PMT 108 PRINCIPLES OF WATER TEST 3 QUESTIONS WITH 100% CORRECT ANSWERS!!
Free Available Chlorine (FAC) - (answer)Chlorine available after chlorine demand has been satisfied. In
the forms of hypochlorous acid and hypochlorite ions.
Halogen - (answer)Series of elements that are highly reactive and as such can be harmful or lethal to
biological organisms in sufficient quantities.
Marginal chlorination - (answer)application of chlorine to produce the desired total chlorine residual
without reference to the amounts of free or combined chlorine present
Raw water - (answer)untreated water entering the first treatment unit of a water treatment plant.
Water used as a source of water supply taken from an impounded body of water.
Sanitary Defects - (answer)Conditions that may cause the contamination of a water supply during or
after treatment.
Total Available Chlorine - (answer)The sum of chlorine forms present as free available chlorine and
combined available chlorine.
Treated water - (answer)Water that is ready for consumption but has undergone processes such as
sedimentation, filtration and softening.
Trihalomethane (THM) - (answer)chemical compounds in which three of the four hydrogen atoms of
methane (CH4) are replaced by halogen atoms.
Safe Water Drinking Act (1974) - (answer)The main Federal law that ensures the quality of Americans
drinking water. Under the SDWA, EP a set standards for drinking water quality and oversees the states
localities and water suppliers who implement those standards.
National Primary Drinking Water Regulations - (answer)The NPDWR is the primary legislation that has
been adopted by individual states and is concerned with the public water systems from a health
standpoint:
Air gap - (answer)A physical separation sufficient to prevent backflow between the free-flowing
discharge and a possible water system outlet and any other system.
Backflow - (answer)The flow of non-potable water or other liquids mixtures or substances into the
potable water supply system.
Back siphonage - (answer)Backflow resulting from negative pressures in the distribution pipes of potable
water systems.
backflow prevention device - (answer)A device or means designed to prevent backflow or back
siphonage.
Check Valve - (answer)Self closing device that is designed to allow the flow of fluids in one direction and
to close if there is a reversal of flow.
Chloramine (Combined Available Chlorine) - (answer)The chlorine products formed by the reaction of
equilibrium products of ammonia with the equilibrium products of chlorine to form chloramines.
Contaminant - (answer)Anything found in water which may be harmful to human health example micro
organisms minerals chemicals.
Cross connection - (answer)Any actual or potential connection between the public water supply and a
source of contamination or pollution.
Disinfectant - (answer)A chemical or physical process that kills microorganisms such as bacteria, viruses,
and Protozoa.
Filtration - (answer)A process for removing particulate matter from water by passage through porous
media
, PMT 108 PRINCIPLES OF WATER TEST 3 QUESTIONS WITH 100% CORRECT ANSWERS!!
Free Available Chlorine (FAC) - (answer)Chlorine available after chlorine demand has been satisfied. In
the forms of hypochlorous acid and hypochlorite ions.
Halogen - (answer)Series of elements that are highly reactive and as such can be harmful or lethal to
biological organisms in sufficient quantities.
Marginal chlorination - (answer)application of chlorine to produce the desired total chlorine residual
without reference to the amounts of free or combined chlorine present
Raw water - (answer)untreated water entering the first treatment unit of a water treatment plant.
Water used as a source of water supply taken from an impounded body of water.
Sanitary Defects - (answer)Conditions that may cause the contamination of a water supply during or
after treatment.
Total Available Chlorine - (answer)The sum of chlorine forms present as free available chlorine and
combined available chlorine.
Treated water - (answer)Water that is ready for consumption but has undergone processes such as
sedimentation, filtration and softening.
Trihalomethane (THM) - (answer)chemical compounds in which three of the four hydrogen atoms of
methane (CH4) are replaced by halogen atoms.
Safe Water Drinking Act (1974) - (answer)The main Federal law that ensures the quality of Americans
drinking water. Under the SDWA, EP a set standards for drinking water quality and oversees the states
localities and water suppliers who implement those standards.
National Primary Drinking Water Regulations - (answer)The NPDWR is the primary legislation that has
been adopted by individual states and is concerned with the public water systems from a health
standpoint:
