Texas Class C Surface Water Exam Review
Questions With Correct Answers
A |disease |that |cannot |be |contracted |by |drinking |contaminated |water |is: |- |CORRECT |
ANSWER✔✔-Malaria
A |non-permit |confined |space |by |OSHA |standards |means |a |confined |space |that: |- |CORRECT |
ANSWER✔✔-Does |not |contain |or |have |the |potential |to |contain |any |hazard |capable |of |causing |
death
When |used |in |connection |with |the |Safe |Drinking |Water |Act, |the |term |"MCL" |means: |- |
CORRECT |ANSWER✔✔-Maximum |Contaminant |Level
Examples |of |non-community |water |systems |include: |- |CORRECT |ANSWER✔✔-Highway |rest |
areas
The |TCEQ |requires |that |results |be |recorded |and |submitted |daily |for |surface |water |supplies |for:
|- |CORRECT |ANSWER✔✔-Disinfectant |residuals, |turbidity, |total |solids, |pH, |alkalinity
tracking |and |maintaining |an |operator's |training |records |is |ultimately |the |responsibility |of |the: |-
|CORRECT |ANSWER✔✔-Operator
An |employee |without |a |breathing |apparatus |is |in |a |room |where |chlorine |gas |suddenly |begins |
leaking. |What |should |the |employee |do |first? |- |CORRECT |ANSWER✔✔-Keep |mouth |closed, |
keep |head |as |high |as |possible, |and |quickly |walk |out |of |the |room, |holding |their |breath |if |
possible
Before |changing |a |gas |chlorine |cylinder |in |a |room, |the |first |step |should |be: |- |CORRECT |
ANSWER✔✔-Start |the |exhaust |vent |fan
,Waterworks |operator's |holding |grade |c |certificates |are |required |to |renew |their |certificates |
every |three |years |and |to: |- |CORRECT |ANSWER✔✔-Inform |the |TCEQ |of |any |address |changes
In |order |to |insure |that |the |water |produced |meets |TCEQ |standards, |each |surface |water |
treatment |plant |must |have |a |surface |water |operator |on |duty |at |all |times |when |the |plant |is |in |
operation |or |the |plant |must |be |provided |with: |- |CORRECT |ANSWER✔✔-Continuous |turbidity |
and |disinfectant |residual |monitors, |automatic |alarm |systems, |and |an |automatic |shutdown |
system
The |major |responsibility |of |a |certified |waterworks |operator |is |to: |- |CORRECT |ANSWER✔✔-
Insure |that |a |safe |and |adequate |supply |of |drinking |water |is |delivered |to |the |customer's |tap
According |to |the |TCEQ, |a |public |water |system |is |defined |as |any |water |system |that |provides |
piped |water |for |human |consumption |to |at |least |_(a)_ |service |connections |on |a |year-round |
basis |or |regularly |serves |_(b)_ |individuals |daily |at |least_(c)_ |days |out |of |the |year. |- |CORRECT |
ANSWER✔✔-(a) |15; |(b) |25; |(c) |60
Most |of |the |surface |water |in |Texas |comes |from: |- |CORRECT |ANSWER✔✔-Precipitation |that |
falls |within |the |state
The |most |important |factor |in |preventing |accidents |is: |- |CORRECT |ANSWER✔✔-The |attitude |of |
the |employee
Organics |in |surface |water |will |combine |with |halogens |to |form: |- |CORRECT |ANSWER✔✔-
Trihalomethanes
According |to |the |average |annual |water |budget |for |Texas, |the |majority |of |surface |water |leaves |
the |state |by: |- |CORRECT |ANSWER✔✔-Evaporation |and |transpiration
, The |term |water |stabilization |refers |to: |- |CORRECT |ANSWER✔✔-pH |adjustment
Which |pH |measurements |would |indicate |that |water |is |basic: |(6.0; |6.9; |7.0; |8.3) |- |CORRECT |
ANSWER✔✔-8.3
The |Safe |Water |Drinking |Act |has |set |water |quality |standards |for |which |category? |- |CORRECT |
ANSWER✔✔-Physical |and |chemical, |radiological, |and |bacteriological
When |a |coagulant |reacts |with |finely |divided |and |suspended |material |in |raw |water, |a: |- |
CORRECT |ANSWER✔✔-Floc |is |formed
The |Rules |and |Regulations |for |Public |Water |Systems |require |straight |flow |rectangular |
sedimentation |basins |to |be |designed |to |provide |a |detention |time |of |at |least: |- |CORRECT |
ANSWER✔✔-6 |hours
Which |of |the |following |statements |regarding |sedimentation |process |is |true: |- |CORRECT |
ANSWER✔✔-The |4 |traditional |zones |of |a |rectangular |sedimentation |basin |are |the |inlet |zone, |
settling |zone, |outlet |zone, |and |the |sludge |zone
Tastes |and |odors |caused |by |decaying |vegetation |can |often |be |removed |in |the |treatment |
process |by |the |use |of: |- |CORRECT |ANSWER✔✔-Activated |carbon
What |chemical |is |used |for |softening |water? |- |CORRECT |ANSWER✔✔-Lime |(Soda |Ash)
The |process |of |coagulation |includes: |- |CORRECT |ANSWER✔✔-A |chemical |reaction, |a |physical |
reaction, |an |agglomeration |reaction, |and |neutralization |of |charged |particles
If |sludge |is |allowed |to |remain |too |long |on |the |bottom |of |a |sedimentation |basin, |a |problem |
could |develop |with: |- |CORRECT |ANSWER✔✔-Taste |and |odor |problems, |reduction |of |detention |
time |in |the |basin, |resuspension |of |solids, |and |creation |of |septic |conditions
Questions With Correct Answers
A |disease |that |cannot |be |contracted |by |drinking |contaminated |water |is: |- |CORRECT |
ANSWER✔✔-Malaria
A |non-permit |confined |space |by |OSHA |standards |means |a |confined |space |that: |- |CORRECT |
ANSWER✔✔-Does |not |contain |or |have |the |potential |to |contain |any |hazard |capable |of |causing |
death
When |used |in |connection |with |the |Safe |Drinking |Water |Act, |the |term |"MCL" |means: |- |
CORRECT |ANSWER✔✔-Maximum |Contaminant |Level
Examples |of |non-community |water |systems |include: |- |CORRECT |ANSWER✔✔-Highway |rest |
areas
The |TCEQ |requires |that |results |be |recorded |and |submitted |daily |for |surface |water |supplies |for:
|- |CORRECT |ANSWER✔✔-Disinfectant |residuals, |turbidity, |total |solids, |pH, |alkalinity
tracking |and |maintaining |an |operator's |training |records |is |ultimately |the |responsibility |of |the: |-
|CORRECT |ANSWER✔✔-Operator
An |employee |without |a |breathing |apparatus |is |in |a |room |where |chlorine |gas |suddenly |begins |
leaking. |What |should |the |employee |do |first? |- |CORRECT |ANSWER✔✔-Keep |mouth |closed, |
keep |head |as |high |as |possible, |and |quickly |walk |out |of |the |room, |holding |their |breath |if |
possible
Before |changing |a |gas |chlorine |cylinder |in |a |room, |the |first |step |should |be: |- |CORRECT |
ANSWER✔✔-Start |the |exhaust |vent |fan
,Waterworks |operator's |holding |grade |c |certificates |are |required |to |renew |their |certificates |
every |three |years |and |to: |- |CORRECT |ANSWER✔✔-Inform |the |TCEQ |of |any |address |changes
In |order |to |insure |that |the |water |produced |meets |TCEQ |standards, |each |surface |water |
treatment |plant |must |have |a |surface |water |operator |on |duty |at |all |times |when |the |plant |is |in |
operation |or |the |plant |must |be |provided |with: |- |CORRECT |ANSWER✔✔-Continuous |turbidity |
and |disinfectant |residual |monitors, |automatic |alarm |systems, |and |an |automatic |shutdown |
system
The |major |responsibility |of |a |certified |waterworks |operator |is |to: |- |CORRECT |ANSWER✔✔-
Insure |that |a |safe |and |adequate |supply |of |drinking |water |is |delivered |to |the |customer's |tap
According |to |the |TCEQ, |a |public |water |system |is |defined |as |any |water |system |that |provides |
piped |water |for |human |consumption |to |at |least |_(a)_ |service |connections |on |a |year-round |
basis |or |regularly |serves |_(b)_ |individuals |daily |at |least_(c)_ |days |out |of |the |year. |- |CORRECT |
ANSWER✔✔-(a) |15; |(b) |25; |(c) |60
Most |of |the |surface |water |in |Texas |comes |from: |- |CORRECT |ANSWER✔✔-Precipitation |that |
falls |within |the |state
The |most |important |factor |in |preventing |accidents |is: |- |CORRECT |ANSWER✔✔-The |attitude |of |
the |employee
Organics |in |surface |water |will |combine |with |halogens |to |form: |- |CORRECT |ANSWER✔✔-
Trihalomethanes
According |to |the |average |annual |water |budget |for |Texas, |the |majority |of |surface |water |leaves |
the |state |by: |- |CORRECT |ANSWER✔✔-Evaporation |and |transpiration
, The |term |water |stabilization |refers |to: |- |CORRECT |ANSWER✔✔-pH |adjustment
Which |pH |measurements |would |indicate |that |water |is |basic: |(6.0; |6.9; |7.0; |8.3) |- |CORRECT |
ANSWER✔✔-8.3
The |Safe |Water |Drinking |Act |has |set |water |quality |standards |for |which |category? |- |CORRECT |
ANSWER✔✔-Physical |and |chemical, |radiological, |and |bacteriological
When |a |coagulant |reacts |with |finely |divided |and |suspended |material |in |raw |water, |a: |- |
CORRECT |ANSWER✔✔-Floc |is |formed
The |Rules |and |Regulations |for |Public |Water |Systems |require |straight |flow |rectangular |
sedimentation |basins |to |be |designed |to |provide |a |detention |time |of |at |least: |- |CORRECT |
ANSWER✔✔-6 |hours
Which |of |the |following |statements |regarding |sedimentation |process |is |true: |- |CORRECT |
ANSWER✔✔-The |4 |traditional |zones |of |a |rectangular |sedimentation |basin |are |the |inlet |zone, |
settling |zone, |outlet |zone, |and |the |sludge |zone
Tastes |and |odors |caused |by |decaying |vegetation |can |often |be |removed |in |the |treatment |
process |by |the |use |of: |- |CORRECT |ANSWER✔✔-Activated |carbon
What |chemical |is |used |for |softening |water? |- |CORRECT |ANSWER✔✔-Lime |(Soda |Ash)
The |process |of |coagulation |includes: |- |CORRECT |ANSWER✔✔-A |chemical |reaction, |a |physical |
reaction, |an |agglomeration |reaction, |and |neutralization |of |charged |particles
If |sludge |is |allowed |to |remain |too |long |on |the |bottom |of |a |sedimentation |basin, |a |problem |
could |develop |with: |- |CORRECT |ANSWER✔✔-Taste |and |odor |problems, |reduction |of |detention |
time |in |the |basin, |resuspension |of |solids, |and |creation |of |septic |conditions
