Class A Water Operator EXAM
QUESTIONS AND ANSWERS 100%
SOLVED (Newest 2025) How many Training Hours and experience for a class D Water Operator - Correct Answers ✅16 Hours Training and No Experience How many Training Hours and experience for a class C Water Operator - Correct Answers ✅36 Hours Training and 1 year Experience How many Training Hours and experience for a class B Water Operator - Correct Answers ✅100 Hours Training and 3 years Experience (must include 1 year of hands on experience) How many Training Hours and experience for a class A Water Operator - Correct Answers ✅200 Hours Training and 5 years Experience (must include 2 years of hands on experience) How many Training Hours and experience for a Class C Lab Operator - Correct Answers ✅32 Hours and no experience How many Training Hours and experience for a Class B Lab Operator - Correct Answers ✅32 hours of C and 32 hours of B and 6 months experience. ***associate in science can substitute 32hrs of C level training 1 / 4
Class A Water Operator EXAM
QUESTIONS AND ANSWERS 100%
SOLVED (Newest 2025) How many Training Hours and experience for a Class A Lab Operator - Correct Answers ✅32 hours of B and 1 year experience. ***Must include a Bachelor in science How many Training Hours and experience for a Class C Distribution Operator - Correct Answers ✅36hours and 1 year experience How many Training Hours and experience for a Distribution Technician - Correct Answers ✅8 hours and no training.Community Water System - Correct Answers ✅A public water supply that has at least 15 service connections or serves 25 or more persons on a regular basis Primary Contaminants - Correct Answers ✅Contaminants identifies by the EPA as harmful to umal health Maximum Containment Level (MCL) - Correct Answers ✅The level in which contaminants must not exceed or public notification is required.Cryptosporidium - Correct Answers ✅A microsocpic parasite that can be found in water. It produces cysts that are very resistant to harsh environmental conditions. It is 2 / 4
Class A Water Operator EXAM
QUESTIONS AND ANSWERS 100%
SOLVED (Newest 2025) responsible for intestinal illness called cryptosporidiosis.Symptoms include diarrhea, cramps, gas, bodily discomfort, fatigue, and weight loss. Occurs one week after exposure and can last for 1-4 weeks Disinfection Profiling - Correct Answers ✅A water system assesses the level of disinfection currently provided and then determines the impact a proposed change in disinfection practice would have.
- coli - Correct Answers ✅A bacterium that is commonly
used as an indicator of human health risk from harmful micro organisms that can be present in water. Symptoms include sever cramps and diarrhea. Blood is often seen in the stool.Symptoms begin 1-9 days after exposure and last a week or less.Giardia - Correct Answers ✅A microscopic parasite that can be found in water. It produces cysts that are resistant to harsh environmental conditions. Giardia causes intestinal illness called giardiasis. Symptoms simular to cryptosporidiosis. Vomition, chills, headache and fever may also occur. Symptoms begin one week after exposure and can last up to a month.Hard Water - Correct Answers ✅A characteristic of water caused mainly by the salts of calcium (Ca++) and 3 / 4
Class A Water Operator EXAM
QUESTIONS AND ANSWERS 100%
SOLVED (Newest 2025) magnesium (Mg++). Undesirable due to formation of soap curds, increase use of soap, and scale deposits in boilers and water heaters. Defines as having hardness of 100mg/L or greater Maximum Residual Disinfectant Level (MDRLs) - Correct Answers ✅The highest level of disinfectant allowed in drinking water. Standards set by the US EPA Microbial Pathogens - Correct Answers ✅Micro-organisms that cause disease Safe Drinking Water Act (SDWA) - Correct Answers ✅An Act passed by the US Congress in 1974. It establishes a cooperative program among local, state, and federal agencies to ensure safe drinking water for customers.Ch 1 - One gallon of water weighs - Correct Answers ✅8.34 pounds Ch 1- The average domestic water usage per person per day is usually somewhere in the range of - Correct Answers ✅100-130 gallons
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