TCEQ Class D Water Operators License Exam

TCEQ Class D Water Operators License Exam Water Covers _______ of the earth's Surface - Answer-75% Humans can only live ________ days without water - Answer-4-5 Days Maximum Daily Demand can be determined - Answer-From monthly operating reports or by multiplying 2.4 times the average daily demand on the system. 130 - Answer-Utilities that provide fire protection have to have a minimum of ____ Gallons per person per day 75% - Answer-Commercial, Industrial, and Agricultural Use makes up _____ % in Texas 57% - Answer-Agricultural use accounts for _____% of total water consumed in Texas 97% - Answer-_____% of the total volume of water available is saltwater 1% - Answer-3% of total volume of water available is considered fresh water. 2% is locked in polar icecaps and glaciers. ____% of all water on earth is accessible fresh water. Electrodialysis Reversal (EDR) - Answer-Electrochemical separation process in which saline water passes through alternately placed cations and anion membranes. reverse osmosis - Answer-A desalinization process that involves forcing salt-water through a membrane permeable to water but not to salt 2000 - Answer-Excluding outside use, the average household uses about _____ gallons of water per month on inside use True - Answer-True or False: only about 1 gallon of tap water per person/day is used for drinking and cooking