TCEQ class c water license exam (questions and answers) 2024

TCEQ class c water license exam (questions and answers) 2024 State Agency responsince for enforcing the safe drinking water act in Texas - CORRECT ANSWER-Texas Commission on environmental Quality What minerals can cause water hardness - CORRECT ANSWER-Calcium and magnesium A public water system must at all times provide - CORRECT ANSWER-Adequate quantity of water, pressure, and disinfection A source groundwater would be - CORRECT ANSWER-aquifer Fecal coliform organisms sometimes found in water supplies are an indication that - CORRECT ANSWER-Water supply is contaminated, harmful bacteria may be present, possible pathogenic organisms in the water, water is unsuitable for drinking A disease that may be spread by inadequately disinfected water - CORRECT ANSWER-Dysentery A common chemical used in disinfection of small water supply is - CORRECT ANSWER-Calcium hypochlorite A physical connection between a potable water supply and house well would be - CORRECT ANSWER-A cross connection The amount of chlorine in mg/L that is used up by reacting with iron organics of bacteria is called - CORRECT ANSWER-Demand Which of the following is a physical characteristic of chlorine gas - CORRECT ANSWER-Greenish-Yellow Color, heavier than air, pungent penetrating odor, corrosive Which of the following would be considered a part of a hypo-chlorinator system - CORRECT ANSWER-Solution feed pump According to state requirements, all public water Supply wells should be provided with a raised concrete sealing block, screened vents, and- - CORRECT ANSWER-A flow measuring device Drawdown of a water well is determined by - CORRECT ANSWER-Difference in static and pumping levels pH of water indicates - CORRECT ANSWER-If it's acidic or basic The pH of water is expressed on a pH scale of - CORRECT ANSWER-0-14 Water that is considered neutral is expressed on the pH scale at - CORRECT ANSWER-7.0