Water Operator Class 3-Practice Test Questions
with Complete Reliable Solutions
0.08 ppm - Answer MCL for TTHM's
0.06 ppm - Answer MCL for HAA5's
0.01 ppm - Answer MCL for Arsenic
0.015 ppm - Answer MCL for Lead
90 days - Answer Turbidity meter must be calibrated every:
Less than 0.3 for 95% of the time. - Answer MCL for turbidity is
2 buffers - Answer pH meters must be calibrated using
Algae blooms - Answer A grassy of fishy taste in reservoir water indicates
Improper backwashing of filters - Answer Mudballs are caused by
Carbonate - Answer Lime can only be used to soften water with
0 ppm - Answer Water leaving Zeolite softener has a hardness of
Schmutzdecke - Answer The top layer of a slow sand filter is called the
Coagulation, flocculation, sedimentation - Answer A solids contact unit combines
, 4 ppm, 2 ppm - Answer The PMCL for fluoride is: The SMCL is:
Warmer - Answer Flock will settle better in warm or cool water?
High pH - Answer The greensand manganese removal process requires a:
Volatile organic compounds & gases (odor) - Answer Aeration releases what from water?
Amperomatic tiration - Answer The most accurate method of determining chlorine residual is:
Sulfuric acid - Answer An alkalinity sample is titrated using
Mixing and measuring - Answer A beaker is used for
Nephelometric turbidity units - Answer NTU stands for:
5 years, 10 years - Answer Bacteria results must be kept for: Chem results for:
Tubrbine, Propeller, Venturi, Nutating discs - Answer Four ways water meters operate are:
Procedure, Part, Budget, Cost - Answer A preventative maintenance program includes:
Lower insurance rates - Answer An advantage of a standpipe:
Geographic Informaton System - Answer What is GIS?
Cavitation (boiling) - Answer High flow rates in pumps can cause.
with Complete Reliable Solutions
0.08 ppm - Answer MCL for TTHM's
0.06 ppm - Answer MCL for HAA5's
0.01 ppm - Answer MCL for Arsenic
0.015 ppm - Answer MCL for Lead
90 days - Answer Turbidity meter must be calibrated every:
Less than 0.3 for 95% of the time. - Answer MCL for turbidity is
2 buffers - Answer pH meters must be calibrated using
Algae blooms - Answer A grassy of fishy taste in reservoir water indicates
Improper backwashing of filters - Answer Mudballs are caused by
Carbonate - Answer Lime can only be used to soften water with
0 ppm - Answer Water leaving Zeolite softener has a hardness of
Schmutzdecke - Answer The top layer of a slow sand filter is called the
Coagulation, flocculation, sedimentation - Answer A solids contact unit combines
, 4 ppm, 2 ppm - Answer The PMCL for fluoride is: The SMCL is:
Warmer - Answer Flock will settle better in warm or cool water?
High pH - Answer The greensand manganese removal process requires a:
Volatile organic compounds & gases (odor) - Answer Aeration releases what from water?
Amperomatic tiration - Answer The most accurate method of determining chlorine residual is:
Sulfuric acid - Answer An alkalinity sample is titrated using
Mixing and measuring - Answer A beaker is used for
Nephelometric turbidity units - Answer NTU stands for:
5 years, 10 years - Answer Bacteria results must be kept for: Chem results for:
Tubrbine, Propeller, Venturi, Nutating discs - Answer Four ways water meters operate are:
Procedure, Part, Budget, Cost - Answer A preventative maintenance program includes:
Lower insurance rates - Answer An advantage of a standpipe:
Geographic Informaton System - Answer What is GIS?
Cavitation (boiling) - Answer High flow rates in pumps can cause.
