WATER DISTRIBUTION GRADE 1
CERTIFICATION ADEQ PRACTICE
EXAM
What lis lthe lgeneral ldefinition lof lan lion? lAn l_________ lwith la lpositive lor lnegative
lcharge l- lcorrect lanswers l-Atom
A lcontinuous lpositive lpressure lin la ldistribution lsystem lis lessential lfor lpreventing
lwhat levent? l- lcorrect lanswers l-Backflow lEvent
_____________ lwater lpressure lmust lbe lmaintained lto lensure ladequate lcustomer
lservice lduring lpeak lflow lperiods. lHowever, lminimum lpositive lpressure lmust lbe
lmaintained lin lmains lto lprotect lagainst lbackflow lor lbacksiphonage lfrom lcross-
connections. l- lcorrect lanswers l-Minimum
Name lthe lmost lcommon lCAUSE lfor lpublic lwater lsupply lcontamination.
l_________________ lor lcross-connection l- lcorrect lanswers l-Backflow
, What ldoes la lbacksiphonage lcondition lusually lcause? l__________ lpressure lor
lnegative lpressure lon lthe lservice lor lsupply lside. l- lcorrect lanswers l-Reduced
What ldoes la ldouble lcheck lvalve lbackflow lassembly lprovide leffective lprotection
lfrom? lBoth lbackpressure land lbacksiphonage lof l____________. l- lcorrect lanswers
l-Pollution
What lis lequipment lthat lutilizes lwater lfor lcooling, llubrication, lwashing lor las la
lsolvent lalways lsusceptible lto? l- lcorrect lanswers l-Cross-Connection
What lis lthe ldifference lbetween la lreduced lpressure lprinciple lbackflow ldevice land
la ldouble lcheck lbackflow ldevice? lThe lRP lhas la l______________. l- lcorrect
lanswers l-Relief lValve
What lis lthe lmaximum ltime lperiod lbetween lhaving la lbackflow ldevice ltested lby la
lcertified lbackflow ltester? l______________ lyear. l- lcorrect lanswers l-1
What lis lthe lregulatory ldefinition lof la lcross-connection lin la lwater lsupply? lA
lphysical lconnection lbetween la lpublic lwater lsystem land lany lsource lof lwater lor
lother lsubstance lthat lmay llead lto lcontamination lof lthe lwater lprovided lby lthe
l_____________ lthrough lbackflow. l- lcorrect lanswers l-PWS
What lis lthe lname lof la ltype lof lvalve lthat lreduces lthe ldifferential lpressure lacross
la lclosed ldisk lmaking lthe lmain lvalve leasier lto lopen land lclose? l- lcorrect lanswers
l-Bypass lValve
As lsoon las lCl2 lgas lenters lthe lthroat larea, la lvictim lwill lsense la lsudden lstricture
lin lthis larea-Nature's lway lof lsignaling lto lprevent lpassage lof lthe lgas lto lthe llungs.
lAt lthis lpoint, lthe lvictim lmust lattempt lto ldo ltwo lthings: lget lout lof lthe larea lof lthe
lleak, lproceeding lupwind, land lto ltake lonly lvery lshort lbreaths lthrough lthe lmouth.
lNormal lbreathing lwill lcause l__________, lwhich lmust lbe lprevented lif lpossible. l-
lcorrect lanswers l-Coughing
Chlorine lgas lcauses lsuffocation, lconstriction lof lthe lchest, ltightness lin lthe lthroat,
land ledema lof lthe l______________. l- lcorrect lanswers l-Lungs
_______________ lavailable lchlorine lis lvery leffective lin lkilling lbacteria. l- lcorrect
lanswers l-Free
How lshould lan loperator lstore lan lempty lchlorine lcylinder? l____________, ltagged
las lempty. l- lcorrect lanswers l-Upright
If la lchlorine lleak loccurs, lwhere lwill lchlorine lgas laccumulate? lNear lthe
l____________ lof lthe ltank. l- lcorrect lanswers l-Bottom
What leffect ldoes lchlorine lgas lhave lon lthe lsense lof lsmell? lIt lproduces lolfactory
l_______________. l- lcorrect lanswers l-Fatigue
CERTIFICATION ADEQ PRACTICE
EXAM
What lis lthe lgeneral ldefinition lof lan lion? lAn l_________ lwith la lpositive lor lnegative
lcharge l- lcorrect lanswers l-Atom
A lcontinuous lpositive lpressure lin la ldistribution lsystem lis lessential lfor lpreventing
lwhat levent? l- lcorrect lanswers l-Backflow lEvent
_____________ lwater lpressure lmust lbe lmaintained lto lensure ladequate lcustomer
lservice lduring lpeak lflow lperiods. lHowever, lminimum lpositive lpressure lmust lbe
lmaintained lin lmains lto lprotect lagainst lbackflow lor lbacksiphonage lfrom lcross-
connections. l- lcorrect lanswers l-Minimum
Name lthe lmost lcommon lCAUSE lfor lpublic lwater lsupply lcontamination.
l_________________ lor lcross-connection l- lcorrect lanswers l-Backflow
, What ldoes la lbacksiphonage lcondition lusually lcause? l__________ lpressure lor
lnegative lpressure lon lthe lservice lor lsupply lside. l- lcorrect lanswers l-Reduced
What ldoes la ldouble lcheck lvalve lbackflow lassembly lprovide leffective lprotection
lfrom? lBoth lbackpressure land lbacksiphonage lof l____________. l- lcorrect lanswers
l-Pollution
What lis lequipment lthat lutilizes lwater lfor lcooling, llubrication, lwashing lor las la
lsolvent lalways lsusceptible lto? l- lcorrect lanswers l-Cross-Connection
What lis lthe ldifference lbetween la lreduced lpressure lprinciple lbackflow ldevice land
la ldouble lcheck lbackflow ldevice? lThe lRP lhas la l______________. l- lcorrect
lanswers l-Relief lValve
What lis lthe lmaximum ltime lperiod lbetween lhaving la lbackflow ldevice ltested lby la
lcertified lbackflow ltester? l______________ lyear. l- lcorrect lanswers l-1
What lis lthe lregulatory ldefinition lof la lcross-connection lin la lwater lsupply? lA
lphysical lconnection lbetween la lpublic lwater lsystem land lany lsource lof lwater lor
lother lsubstance lthat lmay llead lto lcontamination lof lthe lwater lprovided lby lthe
l_____________ lthrough lbackflow. l- lcorrect lanswers l-PWS
What lis lthe lname lof la ltype lof lvalve lthat lreduces lthe ldifferential lpressure lacross
la lclosed ldisk lmaking lthe lmain lvalve leasier lto lopen land lclose? l- lcorrect lanswers
l-Bypass lValve
As lsoon las lCl2 lgas lenters lthe lthroat larea, la lvictim lwill lsense la lsudden lstricture
lin lthis larea-Nature's lway lof lsignaling lto lprevent lpassage lof lthe lgas lto lthe llungs.
lAt lthis lpoint, lthe lvictim lmust lattempt lto ldo ltwo lthings: lget lout lof lthe larea lof lthe
lleak, lproceeding lupwind, land lto ltake lonly lvery lshort lbreaths lthrough lthe lmouth.
lNormal lbreathing lwill lcause l__________, lwhich lmust lbe lprevented lif lpossible. l-
lcorrect lanswers l-Coughing
Chlorine lgas lcauses lsuffocation, lconstriction lof lthe lchest, ltightness lin lthe lthroat,
land ledema lof lthe l______________. l- lcorrect lanswers l-Lungs
_______________ lavailable lchlorine lis lvery leffective lin lkilling lbacteria. l- lcorrect
lanswers l-Free
How lshould lan loperator lstore lan lempty lchlorine lcylinder? l____________, ltagged
las lempty. l- lcorrect lanswers l-Upright
If la lchlorine lleak loccurs, lwhere lwill lchlorine lgas laccumulate? lNear lthe
l____________ lof lthe ltank. l- lcorrect lanswers l-Bottom
What leffect ldoes lchlorine lgas lhave lon lthe lsense lof lsmell? lIt lproduces lolfactory
l_______________. l- lcorrect lanswers l-Fatigue
