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.
, PMT 108 PRINCIPLES OF WATER TEST 3 QUESTIONS WITH 100% CORRECT ANSWERS!!
Filtration - (answer)A process for removing particulate matter from water by passage
through porous media
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.
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.
, PMT 108 PRINCIPLES OF WATER TEST 3 QUESTIONS WITH 100% CORRECT ANSWERS!!
Filtration - (answer)A process for removing particulate matter from water by passage
through porous media
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.
