TCEQ CLASS A PREP PART 1 2024 QUESTIONS AND ANSWERS PASSED AND VERIFIED.

TCEQ CLASS A PREP PART 1 2024 QUESTIONS AND ANSWERS PASSED AND VERIFIED. In Texas, water operator licensing is administer by the? - CORRECT ANSWER TCEQ Which minerals cause hardness in water - CORRECT ANSWER magnesium and calciumT the most importan federal law impacting the water utility industry is - CORRECT ANSWER Safe Drinking Water Act The four water quality standards established for drinking water in the Safe Drinking Water Act are chemical, bacteriological,radiological and - CORRECT ANSWER chemical, bacteriological,radiological and physical. The minimue allowable pressure in the distribution system under emergency conditions is - CORRECT ANSWER 20 psi Water vapor given off by plants and trees is know as - CORRECT ANSWER tranpiration organic matter includes - CORRECT ANSWER wood,dogs,algae,bacteria The single most important water treatment process is - CORRECT ANSWER disinfection excessive nitrates in drinking water can cause what syndrom in infants - CORRECT ANSWER blue baby A sanitary control easement must cover land within how many feet of a public water well - CORRECT ANSWER 150 feet TCEQ CLASS A PREP PART 1 2024 QUESTIONS AND ANSWERS PASSED AND VERIFIED. A sample for physical and chemical analysis of a new well must be taken after how many hours of continuous pumping - CORRECT ANSWER 36 hours Chapter 290 Rules and Regulations requries chemical analysis of water supplies every - CORRECT ANSWER year Detention time in sedimetation basins must be at least how many hours to allow floc to settle - CORRECT ANSWER six backwashing should expand the filter media by - CORRECT ANSWER 30 to 50 percent In Texas, all public water systems are required to have what facilities - CORRECT ANSWER chlorination The MCL for Trihalomethanes in drinking water is - CORRECT ANSWER 0.080 mg/l At room temperatures chlorine gas is - CORRECT ANSWER greenish-yellow , has pungent odor, and is 2.5 heaver then air Disease that may be spread by inadequately disinfected water are - CORRECT ANSWER typhoid, cholera, infectious hepatitis, legionnaires disease. minimum chlorine residuals of free and toral in the far reaches of the distribution system is - CORRECT ANSWER .2/.5 Parameters that effect coagulation are - CORRECT ANSWER Turbidity, PH and Alkalinity