Water Operator Class A exam with precise
| | | | | | |
detailed answers |
How |many |Training |Hours |and |experience |for |a |class |D |Water |Operator |- |CORRECT |ANSWER✔✔-16 |Hours |
Training |and |No |Experience
How |many |Training |Hours |and |experience |for |a |class |C |Water |Operator |- |CORRECT |ANSWER✔✔-36 |Hours |
Training |and |1 |year |Experience
How |many |Training |Hours |and |experience |for |a |class |B |Water |Operator |- |CORRECT |ANSWER✔✔-100 |Hours |
Training |and |3 |years |Experience |(must |include |1 |year |of |hands |on |experience)
How |many |Training |Hours |and |experience |for |a |class |A |Water |Operator |- |CORRECT |ANSWER✔✔-200 |Hours |
Training |and |5 |years |Experience |(must |include |2 |years |of |hands |on |experience)
How |many |Training |Hours |and |experience |for |a |Class |C |Lab |Operator |- |CORRECT |ANSWER✔✔-32 |Hours |and |
no |experience
How |many |Training |Hours |and |experience |for |a |Class |B |Lab |Operator |- |CORRECT |ANSWER✔✔-32 |hours |of |C |
and |32 |hours |of |B |and |6 |months |experience. |***associate |in |science |can |substitute |32hrs |of |C |level |training
How |many |Training |Hours |and |experience |for |a |Class |A |Lab |Operator |- |CORRECT |ANSWER✔✔-32 |hours |of |B |
and |1 |year |experience. |***Must |include |a |Bachelor |in |science
How |many |Training |Hours |and |experience |for |a |Class |C |Distribution |Operator |- |CORRECT |ANSWER✔✔-
36hours |and |1 |year |experience
How |many |Training |Hours |and |experience |for |a |Distribution |Technician |- |CORRECT |ANSWER✔✔-8 |hours |and |
no |training.
Community |Water |System |- |CORRECT |ANSWER✔✔-A |public |water |supply |that |has |at |least |15 |service |
connections |or |serves |25 |or |more |persons |on |a |regular |basis
Primary |Contaminants |- |CORRECT |ANSWER✔✔-Contaminants |identifies |by |the |EPA |as |harmful |to |umal |health
Maximum |Containment |Level |(MCL) |- |CORRECT |ANSWER✔✔-The |level |in |which |contaminants |must |not |
exceed |or |public |notification |is |required.
Cryptosporidium |- |CORRECT |ANSWER✔✔-A |microsocpic |parasite |that |can |be |found |in |water. |It |produces |cysts |
that |are |very |resistant |to |harsh |environmental |conditions. |It |is |responsible |for |intestinal |illness |called |
cryptosporidiosis. |Symptoms |include |diarrhea, |cramps, |gas, |bodily |discomfort, |fatigue, |and |weight |loss. |Occurs |one
|week |after |exposure |and |can |last |for |1-4 |weeks
Disinfection |Profiling |- |CORRECT |ANSWER✔✔-A |water |system |assesses |the |level |of |disinfection |currently |
provided |and |then |determines |the |impact |a |proposed |change |in |disinfection |practice |would |have.
Nursylab.com
, E. |coli |- |CORRECT |ANSWER✔✔-A |bacterium |that |is |commonly |used |as |an |indicator |of |human |health |risk |from |
harmful |micro |organisms |that |can |be |present |in |water. |Symptoms |include |sever |cramps |and |diarrhea. |Blood |is |often |
seen |in |the |stool. |Symptoms |begin |1-9 |days |after |exposure |and |last |a |week |or |less.
Giardia |- |CORRECT |ANSWER✔✔-A |microscopic |parasite |that |can |be |found |in |water. |It |produces |cysts |that |are |
resistant |to |harsh |environmental |conditions. |Giardia |causes |intestinal |illness |called |giardiasis. |Symptoms |simular |to |
cryptosporidiosis. |Vomition, |chills, |headache |and |fever |may |also |occur. |Symptoms |begin |one |week |after |exposure |
and |can |last |up |to |a |month.
Hard |Water |- |CORRECT |ANSWER✔✔-A |characteristic |of |water |caused |mainly |by |the |salts |of |calcium |(Ca++) |
and |magnesium |(Mg++). |Undesirable |due |to |formation |of |soap |curds, |increase |use |of |soap, |and |scale |deposits |in |
boilers |and |water |heaters. |Defines |as |having |hardness |of |100mg/L |or |greater
Maximum |Residual |Disinfectant |Level |(MDRLs) |- |CORRECT |ANSWER✔✔-The |highest |level |of |disinfectant |
allowed |in |drinking |water. |Standards |set |by |the |US |EPA
Microbial |Pathogens |- |CORRECT |ANSWER✔✔-Micro-organisms |that |cause |disease
Safe |Drinking |Water |Act |(SDWA) |- |CORRECT |ANSWER✔✔-An |Act |passed |by |the |US |Congress |in |1974. |It |
establishes |a |cooperative |program |among |local, |state, |and |federal |agencies |to |ensure |safe |drinking |water |for |
customers.
Ch |1 |- |One |gallon |of |water |weighs |- |CORRECT |ANSWER✔✔-8.34 |pounds
Ch |1- |The |average |domestic |water |usage |per |person |per |day |is |usually |somewhere |in |the |range |of |- |CORRECT |
ANSWER✔✔-100-130 |gallons
Ch |1 |-Probably |the |most |important |source |of |information |to |use |when |implementing |changes |in |process |control |at |a |
water |plant |is |- |CORRECT |ANSWER✔✔-Lab |Results
Ch |1 |- |The |most |important |duty |of |a |water |plant |operator |is |to |- |CORRECT |ANSWER✔✔-Help |to |protect |the |
health |and |well-being |of |the |community
Apparent |color |- |CORRECT |ANSWER✔✔-The |color |visible |in |water
True |color |- |CORRECT |ANSWER✔✔-Dissolved |material |contribution |to |color |and |is |not |removed |through |simple
|filtration |(i.e. |coffee |or |tea). |Measure |in |Color |Units |(CUs) |using |a |clear |glass |tube |called |a |Nessler |tub.
Turbidity |- |CORRECT |ANSWER✔✔-Particles |suspended |in |water. |These |particles |can |be |removed |through |
filtration. |This |is |considered |a |primary |contaminant |by |the |EPA. |These |particles |can |surround |and |protect |harmful |
microorganisms |from |being |destroyed |by |chlorination.
Nephelometric |Turbidity |Unit |(NTUs) |- |CORRECT |ANSWER✔✔-A |measure |of |turbidity
H+ |- |CORRECT |ANSWER✔✔-hydrogen |ion
OH- |- |CORRECT |ANSWER✔✔-hydroxide |ion
Carbonate |Hardness |(CH) |- |CORRECT |ANSWER✔✔-Temporary |hardness |which |is |always |alkalinity. |Calcium |
and |magnesium |ion |combine |with |carbonate, |bicarbonate, |and |hydroxide |ions |to |form |carbonate |hardness. |
Nursylab.com
| | | | | | |
detailed answers |
How |many |Training |Hours |and |experience |for |a |class |D |Water |Operator |- |CORRECT |ANSWER✔✔-16 |Hours |
Training |and |No |Experience
How |many |Training |Hours |and |experience |for |a |class |C |Water |Operator |- |CORRECT |ANSWER✔✔-36 |Hours |
Training |and |1 |year |Experience
How |many |Training |Hours |and |experience |for |a |class |B |Water |Operator |- |CORRECT |ANSWER✔✔-100 |Hours |
Training |and |3 |years |Experience |(must |include |1 |year |of |hands |on |experience)
How |many |Training |Hours |and |experience |for |a |class |A |Water |Operator |- |CORRECT |ANSWER✔✔-200 |Hours |
Training |and |5 |years |Experience |(must |include |2 |years |of |hands |on |experience)
How |many |Training |Hours |and |experience |for |a |Class |C |Lab |Operator |- |CORRECT |ANSWER✔✔-32 |Hours |and |
no |experience
How |many |Training |Hours |and |experience |for |a |Class |B |Lab |Operator |- |CORRECT |ANSWER✔✔-32 |hours |of |C |
and |32 |hours |of |B |and |6 |months |experience. |***associate |in |science |can |substitute |32hrs |of |C |level |training
How |many |Training |Hours |and |experience |for |a |Class |A |Lab |Operator |- |CORRECT |ANSWER✔✔-32 |hours |of |B |
and |1 |year |experience. |***Must |include |a |Bachelor |in |science
How |many |Training |Hours |and |experience |for |a |Class |C |Distribution |Operator |- |CORRECT |ANSWER✔✔-
36hours |and |1 |year |experience
How |many |Training |Hours |and |experience |for |a |Distribution |Technician |- |CORRECT |ANSWER✔✔-8 |hours |and |
no |training.
Community |Water |System |- |CORRECT |ANSWER✔✔-A |public |water |supply |that |has |at |least |15 |service |
connections |or |serves |25 |or |more |persons |on |a |regular |basis
Primary |Contaminants |- |CORRECT |ANSWER✔✔-Contaminants |identifies |by |the |EPA |as |harmful |to |umal |health
Maximum |Containment |Level |(MCL) |- |CORRECT |ANSWER✔✔-The |level |in |which |contaminants |must |not |
exceed |or |public |notification |is |required.
Cryptosporidium |- |CORRECT |ANSWER✔✔-A |microsocpic |parasite |that |can |be |found |in |water. |It |produces |cysts |
that |are |very |resistant |to |harsh |environmental |conditions. |It |is |responsible |for |intestinal |illness |called |
cryptosporidiosis. |Symptoms |include |diarrhea, |cramps, |gas, |bodily |discomfort, |fatigue, |and |weight |loss. |Occurs |one
|week |after |exposure |and |can |last |for |1-4 |weeks
Disinfection |Profiling |- |CORRECT |ANSWER✔✔-A |water |system |assesses |the |level |of |disinfection |currently |
provided |and |then |determines |the |impact |a |proposed |change |in |disinfection |practice |would |have.
Nursylab.com
, E. |coli |- |CORRECT |ANSWER✔✔-A |bacterium |that |is |commonly |used |as |an |indicator |of |human |health |risk |from |
harmful |micro |organisms |that |can |be |present |in |water. |Symptoms |include |sever |cramps |and |diarrhea. |Blood |is |often |
seen |in |the |stool. |Symptoms |begin |1-9 |days |after |exposure |and |last |a |week |or |less.
Giardia |- |CORRECT |ANSWER✔✔-A |microscopic |parasite |that |can |be |found |in |water. |It |produces |cysts |that |are |
resistant |to |harsh |environmental |conditions. |Giardia |causes |intestinal |illness |called |giardiasis. |Symptoms |simular |to |
cryptosporidiosis. |Vomition, |chills, |headache |and |fever |may |also |occur. |Symptoms |begin |one |week |after |exposure |
and |can |last |up |to |a |month.
Hard |Water |- |CORRECT |ANSWER✔✔-A |characteristic |of |water |caused |mainly |by |the |salts |of |calcium |(Ca++) |
and |magnesium |(Mg++). |Undesirable |due |to |formation |of |soap |curds, |increase |use |of |soap, |and |scale |deposits |in |
boilers |and |water |heaters. |Defines |as |having |hardness |of |100mg/L |or |greater
Maximum |Residual |Disinfectant |Level |(MDRLs) |- |CORRECT |ANSWER✔✔-The |highest |level |of |disinfectant |
allowed |in |drinking |water. |Standards |set |by |the |US |EPA
Microbial |Pathogens |- |CORRECT |ANSWER✔✔-Micro-organisms |that |cause |disease
Safe |Drinking |Water |Act |(SDWA) |- |CORRECT |ANSWER✔✔-An |Act |passed |by |the |US |Congress |in |1974. |It |
establishes |a |cooperative |program |among |local, |state, |and |federal |agencies |to |ensure |safe |drinking |water |for |
customers.
Ch |1 |- |One |gallon |of |water |weighs |- |CORRECT |ANSWER✔✔-8.34 |pounds
Ch |1- |The |average |domestic |water |usage |per |person |per |day |is |usually |somewhere |in |the |range |of |- |CORRECT |
ANSWER✔✔-100-130 |gallons
Ch |1 |-Probably |the |most |important |source |of |information |to |use |when |implementing |changes |in |process |control |at |a |
water |plant |is |- |CORRECT |ANSWER✔✔-Lab |Results
Ch |1 |- |The |most |important |duty |of |a |water |plant |operator |is |to |- |CORRECT |ANSWER✔✔-Help |to |protect |the |
health |and |well-being |of |the |community
Apparent |color |- |CORRECT |ANSWER✔✔-The |color |visible |in |water
True |color |- |CORRECT |ANSWER✔✔-Dissolved |material |contribution |to |color |and |is |not |removed |through |simple
|filtration |(i.e. |coffee |or |tea). |Measure |in |Color |Units |(CUs) |using |a |clear |glass |tube |called |a |Nessler |tub.
Turbidity |- |CORRECT |ANSWER✔✔-Particles |suspended |in |water. |These |particles |can |be |removed |through |
filtration. |This |is |considered |a |primary |contaminant |by |the |EPA. |These |particles |can |surround |and |protect |harmful |
microorganisms |from |being |destroyed |by |chlorination.
Nephelometric |Turbidity |Unit |(NTUs) |- |CORRECT |ANSWER✔✔-A |measure |of |turbidity
H+ |- |CORRECT |ANSWER✔✔-hydrogen |ion
OH- |- |CORRECT |ANSWER✔✔-hydroxide |ion
Carbonate |Hardness |(CH) |- |CORRECT |ANSWER✔✔-Temporary |hardness |which |is |always |alkalinity. |Calcium |
and |magnesium |ion |combine |with |carbonate, |bicarbonate, |and |hydroxide |ions |to |form |carbonate |hardness. |
Nursylab.com
