Clear Waters Magazine offers an Operator Quiz in each issue to help those pursuing certification prepare for the ABC wastewater operator test. The quizzes are designed for all operators (not only those seeking certification) to test their knowledge with questions from a different process of wastewater treatment in each issue.
Over 40 tests from past issues are below for your convenience. Good luck!
Operator Quiz 142 – Biosolids (Spring 24)
Operaror Quiz 140 – Grit Removal
Operaror Quiz 138 – Activated Sludge Microbiology
Operaror Quiz 136 – Maintenance
Operaror Quiz 135 – Wastewater Characteristics
Operaror Quiz 134 – Wastewater Characteristics
Operaror Quiz 132 – Chlorination
Operaror Quiz 131 – Certification, Training and Operations
Operaror Quiz 130 – Administrative Duties
Operaror Quiz 129 – Operator Safety in the Workplace
Operaror Quiz 129A – Secondary Treatment
Operaror Quiz 128 – Pumping Safety
Operaror Quiz 127 – Activated Sludge
Operaror Quiz 126 – Health and Safety
Operaror Quiz 124 – Process Troubleshooting
Operaror Quiz 123 – Basic Conversion Factors, Digester Gas
Operaror Quiz 121 – Math Math Math
Operaror Quiz 120 – Operation Questions
Operaror Quiz 119 – Definitions & Process Troubleshooting
Operaror Quiz 117 – Mean Cell Residence Time
Operaror Quiz 116 – Definitions
Operaror Quiz 114 – Activated Sludge, Etc.
Operaror Quiz 113A – Nutrient Removal
Operaror Quiz 113B – Potpourri
Operaror Quiz 111 – Disinfection
Operaror Quiz 110 – Rotating Biological Contactor
Operaror Quiz 109 – Primary / Preliminary Treatment
Operaror Quiz 108 – Laboratory
Operaror Quiz 107 – Formula Exam
Operaror Quiz 106 – Pumps, Equipment and Safety
Operaror Quiz 105 – Wastewater Potpourri
Operaror Quiz 104 – Anaerobic Digestion
Operaror Quiz 103 – Biological Treatment
Operaror Quiz 102 – Biological Treatment
Operaror Quiz 101 – Mathematics