Water,/.Treatment,/.Operator,/.Level,/.1,/.Sample,/.Questions,/.(Water,/.Ope
rator,/.Certification,/.Study,/.Guide)
What,/.are,/.the,/.two,/.important,/.factors,/.impacting,/.the,/.effectiveness,/.of,/.chlo
rination?,/.-,/.correct,/.answer,/.✔ ✔
Concentration,/.of,/.chlorine,/.and,/.contact,/.time
The,/.treatment,/.process,/.that,/.controls,/.corrosion,/.or,/.scaling,/.is,/.known,/.as,/.w
hat?,/.-,/.correct,/.answer,/.✔ ✔ Stabilization
Permanganate,/.reactions,/.are,/.highly,/.dependent,/.on,/.what,/.factor?,/.-
,/.correct,/.answer,/.✔ ✔ pH
It,/.is,/.hardest,/.to,/.kill,/.the,/.organism,/.that,/.causes,/.what,/.illness?,/.-
,/.correct,/.answer,/.✔ ✔ Cryptosporidiosis
Disinfection,/.of,/.water,/.wells,/.with,/.free,/.chlorine,/.requires,/.exposure,/.for,/.ho
w,/.long,/.and,/.at,/.what,/.concentration?,/.-,/.correct,/.answer,/.✔ ✔
12,/.to,/.24,/.hours;,/.50mg/L
, Flocculation,/.basins,/.are,/.usually,/.designed,/.to,/.provide,/.for,/.detention,/.times,
/.of,/.how,/.long?,/.-,/.correct,/.answer,/.✔ ✔ 15,/.to,/.45,/.minutes
Alum,/.works,/.best,/.in,/.a,/.pH,/.range,/.of,/.what?,/.-,/.correct,/.answer,/.✔ ✔
5.8,/.to,/.7.5
What,/.has,/.little,/.effect,/.on,/.colloidal,/.particles,/.because,/.of,/.their,/.small,/.size?
,/.-,/.correct,/.answer,/.✔ ✔ Gravity
What,/.natural,/.electrical,/.force,/.keeps,/.colloidal,/.particles,/.apart,/.in,/.water,/.tr
eatment?,/.-,/.correct,/.answer,/.✔ ✔ Zeta,/.potential
What,/.does,/.the,/.zeta,/.potential,/.measure?,/.-,/.correct,/.answer,/.✔ ✔
The,/.number,/.of,/.excess,/.electrons,/.found,/.on,/.the,/.surface,/.of,/.all,/.particulat
e,/.matter
What,/.device,/.collects,/.the,/.settled,/.water,/.as,/.it,/.leaves,/.the,/.sedimentation,/.b
asin?,/.-,/.correct,/.answer,/.✔ ✔ The,/.effluent,/.launder
In,/.solid-
contact,/.basins,/.with,/.fairly,/.constant,/.water,/.quality,/.parameters,,/.how,/.often,
/.should,/.the,/.solids,/.concentration,/.be,/.determined? ,/.-,/.correct,/.answer,/.✔
✔ At,/.least,/.twice,/.per,/.day
rator,/.Certification,/.Study,/.Guide)
What,/.are,/.the,/.two,/.important,/.factors,/.impacting,/.the,/.effectiveness,/.of,/.chlo
rination?,/.-,/.correct,/.answer,/.✔ ✔
Concentration,/.of,/.chlorine,/.and,/.contact,/.time
The,/.treatment,/.process,/.that,/.controls,/.corrosion,/.or,/.scaling,/.is,/.known,/.as,/.w
hat?,/.-,/.correct,/.answer,/.✔ ✔ Stabilization
Permanganate,/.reactions,/.are,/.highly,/.dependent,/.on,/.what,/.factor?,/.-
,/.correct,/.answer,/.✔ ✔ pH
It,/.is,/.hardest,/.to,/.kill,/.the,/.organism,/.that,/.causes,/.what,/.illness?,/.-
,/.correct,/.answer,/.✔ ✔ Cryptosporidiosis
Disinfection,/.of,/.water,/.wells,/.with,/.free,/.chlorine,/.requires,/.exposure,/.for,/.ho
w,/.long,/.and,/.at,/.what,/.concentration?,/.-,/.correct,/.answer,/.✔ ✔
12,/.to,/.24,/.hours;,/.50mg/L
, Flocculation,/.basins,/.are,/.usually,/.designed,/.to,/.provide,/.for,/.detention,/.times,
/.of,/.how,/.long?,/.-,/.correct,/.answer,/.✔ ✔ 15,/.to,/.45,/.minutes
Alum,/.works,/.best,/.in,/.a,/.pH,/.range,/.of,/.what?,/.-,/.correct,/.answer,/.✔ ✔
5.8,/.to,/.7.5
What,/.has,/.little,/.effect,/.on,/.colloidal,/.particles,/.because,/.of,/.their,/.small,/.size?
,/.-,/.correct,/.answer,/.✔ ✔ Gravity
What,/.natural,/.electrical,/.force,/.keeps,/.colloidal,/.particles,/.apart,/.in,/.water,/.tr
eatment?,/.-,/.correct,/.answer,/.✔ ✔ Zeta,/.potential
What,/.does,/.the,/.zeta,/.potential,/.measure?,/.-,/.correct,/.answer,/.✔ ✔
The,/.number,/.of,/.excess,/.electrons,/.found,/.on,/.the,/.surface,/.of,/.all,/.particulat
e,/.matter
What,/.device,/.collects,/.the,/.settled,/.water,/.as,/.it,/.leaves,/.the,/.sedimentation,/.b
asin?,/.-,/.correct,/.answer,/.✔ ✔ The,/.effluent,/.launder
In,/.solid-
contact,/.basins,/.with,/.fairly,/.constant,/.water,/.quality,/.parameters,,/.how,/.often,
/.should,/.the,/.solids,/.concentration,/.be,/.determined? ,/.-,/.correct,/.answer,/.✔
✔ At,/.least,/.twice,/.per,/.day
