Illinois Class D Water License Exam| Answered 100% Correctly| Success Guaranteed| Latest

Illinois Class D Water License Exam| Answered 100% Correctly| Success Guaranteed| Latest Two Towers are both 125 feet high, when full, contain 122 feet of water. Tower 1 holds 150,000 gallons. Tower 2 holds 500,000 gallons. Each has a pressure gauge at the base. Which will register the most pressure in psi? Both will be equal If the water level in tower 1 is 118 feet what will the pressure reading be at the base 51.1 psi What is the definition of potable water Water that does not contain objectable pollution, contamination, or infective agents and is considered safe for drinking What is the first item used when installing a service line to a customer? Corporation stop If a meter to a residence is located in the basement what should be located between the water main and the house curb stop A 5/8" x 3/4" water meter serves a residence. Over a period of years the meter __________ in recording actual water used Decreases To isolate part of a distribution system what type of valve is commonly used? Gate valve Trihalomethanes (THMs) are caused by? Reaction of chlorinated water with numeric materials found in surface water sources The longer the contact time water and chlorine residuals enjoy the ________ the THM level will probably be Higher THM's should be eliminated from finished water because they cause ? Cancer The maximum contaminant level for THM's is?