Water Treatment Operations Exam Questions Answered Correctly Latest Version (2024-2025) Already
Passed
Most vulnerable part of the human body to microorganisms - Answers Eyes
Major cause of short circuiting in a sedimentation basin - Answers Poor Inlet Baffling
Response to a chlorine gas leak requires a SCBA and - Answers Level A Suit
Conditions in a gravity filter with larger particle size and less dense anthracite media - Answers Longer
filter runs and a reduced filtration rate
Improper backwashing of filter media can lead to - Answers Mudball Formation
Frequency of determining solids concentration in solid contact basins with constant water quality
parameters - Answers At least once a week
State where Giardia is most vulnerable to disinfection - Answers Cyst
Type of sedimentation basins with water flow admitted at an angle - Answers Spiral Flow Basins
Maximum turbidity in drinking water system - Answers 5 ntu
Oxidant producing ClO3 by products - Answers Chlorine Dioxide
Proper emergency kit for a chlorine tanker - Answers Kit A
Adding CO2 to water will - Answers Lower the pH
Purpose of pulsating energy in a pulsator clarifier - Answers Mix the coagulants and help with
flocculation
IDLH value for chlorine - Answers 5 ppm
MCL for THM's - Answers 0.080 mg/L
Impurities found in water not from plants or animals - Answers Inorganic
Primary concern of Trihalomethanes (THM's) - Answers Water after chlorine disinfection treatment
Maximum feed rate when adding fluoride to drinking water - Answers 3.0 mg/L
Action when entering a permitted confined space entry structure - Answers Test the Air
HPC test results colonies per mL for reliable sample for coliform bacteria - Answers 1
Alum consumption of alkalinity during floc particles formation - Answers 1.0 mg/L
Passed
Most vulnerable part of the human body to microorganisms - Answers Eyes
Major cause of short circuiting in a sedimentation basin - Answers Poor Inlet Baffling
Response to a chlorine gas leak requires a SCBA and - Answers Level A Suit
Conditions in a gravity filter with larger particle size and less dense anthracite media - Answers Longer
filter runs and a reduced filtration rate
Improper backwashing of filter media can lead to - Answers Mudball Formation
Frequency of determining solids concentration in solid contact basins with constant water quality
parameters - Answers At least once a week
State where Giardia is most vulnerable to disinfection - Answers Cyst
Type of sedimentation basins with water flow admitted at an angle - Answers Spiral Flow Basins
Maximum turbidity in drinking water system - Answers 5 ntu
Oxidant producing ClO3 by products - Answers Chlorine Dioxide
Proper emergency kit for a chlorine tanker - Answers Kit A
Adding CO2 to water will - Answers Lower the pH
Purpose of pulsating energy in a pulsator clarifier - Answers Mix the coagulants and help with
flocculation
IDLH value for chlorine - Answers 5 ppm
MCL for THM's - Answers 0.080 mg/L
Impurities found in water not from plants or animals - Answers Inorganic
Primary concern of Trihalomethanes (THM's) - Answers Water after chlorine disinfection treatment
Maximum feed rate when adding fluoride to drinking water - Answers 3.0 mg/L
Action when entering a permitted confined space entry structure - Answers Test the Air
HPC test results colonies per mL for reliable sample for coliform bacteria - Answers 1
Alum consumption of alkalinity during floc particles formation - Answers 1.0 mg/L
