PMT 108 PRINCIPLES OF WATER TEST 1 (GODSPEED) SOLVED 100% CORRECT QUESTIONS
& ANSWERS!!
How should petri dishes be stored in the HPC incubation process? - (answer)- Invert Petri
Dish
- Stack no more than 4 high
- Not touching any other stacks or sides and top of incubator
What term describes: A chemical or physical process that kills microorganisms such as
bacteria, viruses and protozoa? - (answer)Disinfectant
Which DPD tablet is used to find: TAC? - (answer)#4
What are the components of the LaMotte Kit? - (answer)- Chlorine color comparator (0.1-
1-0 mg/l)
- Chlorine color comparator (1.0-6.0 mg/l)
- pH color comparator (6.8-8.2 mg/l)
- Tablets: DPD #1 ,2, 3, 4 and phenol red
- Tablet crusher
- Test tube, glass and cap, fragile, marked at 10mL
What does the quanti-tray system contain? - (answer)- IDEXX Sample Bottle: 100 mL
- Colilert reagent
- Quanti- Tray
- IDEXX Quanti- Tray sealer plus
Which HPC method is most often used in swimming pools? - (answer)Membrane filter
method
, PMT 108 PRINCIPLES OF WATER TEST 1 (GODSPEED) SOLVED 100% CORRECT QUESTIONS
& ANSWERS!!
What is the de-chlorninating agent found in the sample container? - (answer)Sodium
thiosulfate (Na2S2O3)
What are some factors that need to be considered when selecting a water source? -
(answer)- Sources of pollution
- Hydrological studies
- Proposed intake
- Water uses identified for the particular water source by responsible government
agencies
What term describes: A physical separation sufficient to prevent backflow between the
free- flowing discharge end of a potable water system outlet and any other system? -
(answer)Air Gap
What term describes: Self- closing device that is designed to allow the flow of fluids in
one direction and to close if there is a reversal flow? - (answer)Check Valve
What term describes: Application of chlorine to produce the desired total chlorine residual
without reference to the amount of free or combined chlorine present? -
(answer)Marginal Chlorination
What are some examples of ground water? - (answer)- Well
- Spring
Describe chemical qualities (characteristics) of potable water standards: - (answer)-
Presence/ absence of constituents
- Interaction between constituents
- pH
& ANSWERS!!
How should petri dishes be stored in the HPC incubation process? - (answer)- Invert Petri
Dish
- Stack no more than 4 high
- Not touching any other stacks or sides and top of incubator
What term describes: A chemical or physical process that kills microorganisms such as
bacteria, viruses and protozoa? - (answer)Disinfectant
Which DPD tablet is used to find: TAC? - (answer)#4
What are the components of the LaMotte Kit? - (answer)- Chlorine color comparator (0.1-
1-0 mg/l)
- Chlorine color comparator (1.0-6.0 mg/l)
- pH color comparator (6.8-8.2 mg/l)
- Tablets: DPD #1 ,2, 3, 4 and phenol red
- Tablet crusher
- Test tube, glass and cap, fragile, marked at 10mL
What does the quanti-tray system contain? - (answer)- IDEXX Sample Bottle: 100 mL
- Colilert reagent
- Quanti- Tray
- IDEXX Quanti- Tray sealer plus
Which HPC method is most often used in swimming pools? - (answer)Membrane filter
method
, PMT 108 PRINCIPLES OF WATER TEST 1 (GODSPEED) SOLVED 100% CORRECT QUESTIONS
& ANSWERS!!
What is the de-chlorninating agent found in the sample container? - (answer)Sodium
thiosulfate (Na2S2O3)
What are some factors that need to be considered when selecting a water source? -
(answer)- Sources of pollution
- Hydrological studies
- Proposed intake
- Water uses identified for the particular water source by responsible government
agencies
What term describes: A physical separation sufficient to prevent backflow between the
free- flowing discharge end of a potable water system outlet and any other system? -
(answer)Air Gap
What term describes: Self- closing device that is designed to allow the flow of fluids in
one direction and to close if there is a reversal flow? - (answer)Check Valve
What term describes: Application of chlorine to produce the desired total chlorine residual
without reference to the amount of free or combined chlorine present? -
(answer)Marginal Chlorination
What are some examples of ground water? - (answer)- Well
- Spring
Describe chemical qualities (characteristics) of potable water standards: - (answer)-
Presence/ absence of constituents
- Interaction between constituents
- pH
