Water Distribution Grade 1 Certification ADEQ
Practice Exam Questions With Correct Answers
What |is |the |general |definition |of |an |ion? |An |_________ |with |a |positive |or |negative |charge |- |
CORRECT |ANSWER✔✔-Atom
A |continuous |positive |pressure |in |a |distribution |system |is |essential |for |preventing |what |event?
|- |CORRECT |ANSWER✔✔-Backflow |Event
_____________ |water |pressure |must |be |maintained |to |ensure |adequate |customer |service |
during |peak |flow |periods. |However, |minimum |positive |pressure |must |be |maintained |in |mains |
to |protect |against |backflow |or |backsiphonage |from |cross-connections. |- |CORRECT |
ANSWER✔✔-Minimum
Name |the |most |common |CAUSE |for |public |water |supply |contamination. |_________________ |
or |cross-connection |- |CORRECT |ANSWER✔✔-Backflow
What |does |a |backsiphonage |condition |usually |cause? |__________ |pressure |or |negative |
pressure |on |the |service |or |supply |side. |- |CORRECT |ANSWER✔✔-Reduced
What |does |a |double |check |valve |backflow |assembly |provide |effective |protection |from? |Both |
backpressure |and |backsiphonage |of |____________. |- |CORRECT |ANSWER✔✔-Pollution
What |is |equipment |that |utilizes |water |for |cooling, |lubrication, |washing |or |as |a |solvent |always |
susceptible |to? |- |CORRECT |ANSWER✔✔-Cross-Connection
, What |is |the |difference |between |a |reduced |pressure |principle |backflow |device |and |a |double |
check |backflow |device? |The |RP |has |a |______________. |- |CORRECT |ANSWER✔✔-Relief |Valve
What |is |the |maximum |time |period |between |having |a |backflow |device |tested |by |a |certified |
backflow |tester? |______________ |year. |- |CORRECT |ANSWER✔✔-1
What |is |the |regulatory |definition |of |a |cross-connection |in |a |water |supply? |A |physical |
connection |between |a |public |water |system |and |any |source |of |water |or |other |substance |that |
may |lead |to |contamination |of |the |water |provided |by |the |_____________ |through |backflow. |- |
CORRECT |ANSWER✔✔-PWS
What |is |the |name |of |a |type |of |valve |that |reduces |the |differential |pressure |across |a |closed |disk
|making |the |main |valve |easier |to |open |and |close? |- |CORRECT |ANSWER✔✔-Bypass |Valve
As |soon |as |Cl2 |gas |enters |the |throat |area, |a |victim |will |sense |a |sudden |stricture |in |this |area-
Nature's |way |of |signaling |to |prevent |passage |of |the |gas |to |the |lungs. |At |this |point, |the |victim |
must |attempt |to |do |two |things: |get |out |of |the |area |of |the |leak, |proceeding |upwind, |and |to |
take |only |very |short |breaths |through |the |mouth. |Normal |breathing |will |cause |__________, |
which |must |be |prevented |if |possible. |- |CORRECT |ANSWER✔✔-Coughing
Chlorine |gas |causes |suffocation, |constriction |of |the |chest, |tightness |in |the |throat, |and |edema |
of |the |______________. |- |CORRECT |ANSWER✔✔-Lungs
_______________ |available |chlorine |is |very |effective |in |killing |bacteria. |- |CORRECT |
ANSWER✔✔-Free
How |should |an |operator |store |an |empty |chlorine |cylinder? |____________, |tagged |as |empty. |- |
CORRECT |ANSWER✔✔-Upright
If |a |chlorine |leak |occurs, |where |will |chlorine |gas |accumulate? |Near |the |____________ |of |the |
tank. |- |CORRECT |ANSWER✔✔-Bottom
Practice Exam Questions With Correct Answers
What |is |the |general |definition |of |an |ion? |An |_________ |with |a |positive |or |negative |charge |- |
CORRECT |ANSWER✔✔-Atom
A |continuous |positive |pressure |in |a |distribution |system |is |essential |for |preventing |what |event?
|- |CORRECT |ANSWER✔✔-Backflow |Event
_____________ |water |pressure |must |be |maintained |to |ensure |adequate |customer |service |
during |peak |flow |periods. |However, |minimum |positive |pressure |must |be |maintained |in |mains |
to |protect |against |backflow |or |backsiphonage |from |cross-connections. |- |CORRECT |
ANSWER✔✔-Minimum
Name |the |most |common |CAUSE |for |public |water |supply |contamination. |_________________ |
or |cross-connection |- |CORRECT |ANSWER✔✔-Backflow
What |does |a |backsiphonage |condition |usually |cause? |__________ |pressure |or |negative |
pressure |on |the |service |or |supply |side. |- |CORRECT |ANSWER✔✔-Reduced
What |does |a |double |check |valve |backflow |assembly |provide |effective |protection |from? |Both |
backpressure |and |backsiphonage |of |____________. |- |CORRECT |ANSWER✔✔-Pollution
What |is |equipment |that |utilizes |water |for |cooling, |lubrication, |washing |or |as |a |solvent |always |
susceptible |to? |- |CORRECT |ANSWER✔✔-Cross-Connection
, What |is |the |difference |between |a |reduced |pressure |principle |backflow |device |and |a |double |
check |backflow |device? |The |RP |has |a |______________. |- |CORRECT |ANSWER✔✔-Relief |Valve
What |is |the |maximum |time |period |between |having |a |backflow |device |tested |by |a |certified |
backflow |tester? |______________ |year. |- |CORRECT |ANSWER✔✔-1
What |is |the |regulatory |definition |of |a |cross-connection |in |a |water |supply? |A |physical |
connection |between |a |public |water |system |and |any |source |of |water |or |other |substance |that |
may |lead |to |contamination |of |the |water |provided |by |the |_____________ |through |backflow. |- |
CORRECT |ANSWER✔✔-PWS
What |is |the |name |of |a |type |of |valve |that |reduces |the |differential |pressure |across |a |closed |disk
|making |the |main |valve |easier |to |open |and |close? |- |CORRECT |ANSWER✔✔-Bypass |Valve
As |soon |as |Cl2 |gas |enters |the |throat |area, |a |victim |will |sense |a |sudden |stricture |in |this |area-
Nature's |way |of |signaling |to |prevent |passage |of |the |gas |to |the |lungs. |At |this |point, |the |victim |
must |attempt |to |do |two |things: |get |out |of |the |area |of |the |leak, |proceeding |upwind, |and |to |
take |only |very |short |breaths |through |the |mouth. |Normal |breathing |will |cause |__________, |
which |must |be |prevented |if |possible. |- |CORRECT |ANSWER✔✔-Coughing
Chlorine |gas |causes |suffocation, |constriction |of |the |chest, |tightness |in |the |throat, |and |edema |
of |the |______________. |- |CORRECT |ANSWER✔✔-Lungs
_______________ |available |chlorine |is |very |effective |in |killing |bacteria. |- |CORRECT |
ANSWER✔✔-Free
How |should |an |operator |store |an |empty |chlorine |cylinder? |____________, |tagged |as |empty. |- |
CORRECT |ANSWER✔✔-Upright
If |a |chlorine |leak |occurs, |where |will |chlorine |gas |accumulate? |Near |the |____________ |of |the |
tank. |- |CORRECT |ANSWER✔✔-Bottom
