Class B Water Operator Certification Exam UPDATED ACTUAL Questions and CORRECT Answers

Class B Water Operator Certification Exam UPDATED ACTUAL
Questions and CORRECT Answers

Question: Coagulation
Correct Answer: To form larger particles for settling
Question: Turbidity Measurement Unit
Correct Answer: NTU
Question: Minimum Free Chlorine Residual
Correct Answer: 0.2 mg/L
Question: Drawdown
Correct Answer: The drop in water level in a well during pumping
Question: Best Valve Type for Flow Control
Correct Answer: Globe
Question: Neutral pH of Water
Correct Answer: 7
Question: Standard Unit of Chlorine Dosage
Correct Answer: mg/L
Question: Indicator Organism for Water Contamination
Correct Answer: Coliform
Question: Process to Remove Dissolved Gases
Correct Answer: Aeration
Question: Safe Drinking Water Act Purpose
Correct Answer: Drinking water quality
Question: Function of Sedimentation Basin
Correct Answer: To allow floc to settle
Question: Best Pump for High Pressure and Low Flow
Correct Answer: Piston
Question: Disinfectant with Long-Lasting Residual
Correct Answer: Chlorine
Question: Action if Total Coliform Detected
Correct Answer: Resample immediately
Question: Cause of Head Loss in Pipeline
Correct Answer: Friction
Question: Chlorine Demand Calculation