TCEQ class c water license exam Complete Questions & Answers EXAM BUNDLE

Ammonia mixed with chlorine gas creates a white smoke - ANSWER white smoke The most difficult part of a water distribution operator's job is furnish a continuous supply - ANSWER furnish a continuous supply Physical connection between a safe and potentially unsafe water source is a cross conne...

Calcium Hypochlorite - ANSWER A common chemical used in the disenfection of a small water supply is- A Cross Connection - ANSWER A physical connection between a potable water supply and a house well would be- Demand - ANSWER The amount of Chlorine in mg/L that is used by reacting with iron, or...

a disease that cannot be contracted by drinking contaminated water is - ANSWER malaria a non-permit confined space by OSHA standards means a confined space that - ANSWER does not contain or have the potential to contain any hazard capable of causing death when used in connection with the safe ...

Ammonia mixed with chlorine gas creates a - ANSWER white smoke The most difficult part of a water distribution operator's job. - ANSWER furnish a continuous supply Physical connection between a safe and potentially unsafe water source. - ANSWER cross connection A distribution system is a -...

Preliminary Treatment - ANSWER the 1st stage of sewage treatment where large debris, such as sticks, grit, and rags pas through a screen followed by a grit chamber, where the flow of water is slowed enough to allow for sedimentation. What stage of treatment is grit removal usually accomplished in...

T/F The hydrological cycle is the natural exchange of water between the ocean and the atmosphere - ANSWER True T/F 25% of the earths water is surface water, but only a small portion can be tapped by wells - ANSWER Flase T/F Groundwater hydrology is the science concerned with the occurrence, di...

Who has the responsibility to provide drinking water that meets federal and state standards? - ANSWER Operators ____________ must be disinfected, delivered at adequate pressure, and be ample in quantity. - ANSWER Water _____________ should guard the water supply and facilities from contaminati...

THM are caused by - ANSWER Reaction of chlorinated water with humic materials found in surface water sources THMs in finished water can cause - ANSWER Cancer What is the MCL for Trihalomethanes - ANSWER 0.1 mg/L Nitrate in levels above ______ mg/L can cause blue baby disease - ANSWER 10 ...

The Activated Sludge Process: A. requires preaeration B. requires Activated Carbon C. is an aerobic biological process. D. Usually precedes primary sedimentation. E. Requires 50% by volume old sludge to work effectively. - ANSWER C. Is an Aerobic biological process A complete mix activated...

T/F: In Texas, about 75% of all water is used for commercial, industrial, or agricultural purposes. - ANSWER True Water covers approximately ________ of Earth's surface. - ANSWER 71% Drought is an extended period when a region receives a deficiency in its ________ water supply. - ANSWER atmos...