Class D Water Operator License Exam TCEQ 2024 Agrade
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Class D Water Operator License TCEQ
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Class D Water Operator License TCEQ
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- at...
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- atmospheric, ground, or surface
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.
,T/F: Only about 1 gallon of tap water per person/day is used for drinking and cooking - Answer- True
Excluding outside water use, the average household uses about _______ gallons of water per month
for inside use - Answer- 2,000
T/F: Only 3% of all the fresh water on earth can be easily accessed for use. - Answer- False (only 1%)
T/F: In 1978, the Texas Department of Health (TDH) assumed primacy over the Safe Drinking Water
Act from the EPA. - Answer- True
T/F: PWS officials should be pro-active in their approach to terrorism. - Answer- True
_________ permits the owner of a well to pump as much water as desired, even if the water is
drained from beneath the land of others. - Answer- Rule of Capture
In Texas, agricultural water demand accounts for about ___% of the total water used. - Answer- 57%
T/F: An example of a non-transient non-community PWS is a rural school. - Answer- True
Monitoring average and maximum daily water ______ enables us to plan ahead for growth. - Answer-
Demand
T/F: The Safe Drinking Water Act sets standards for drinking water including physical, chemical,
bacteriological, and radiological characteristics. - Answer- True
"Potable" means water is safe to drink and has a measurable chlorine ________. - Answer- Residual
The plant operator is responsible for a sufficient supply of safe and ________ drinking water. -
Answer- Palatable
, T/F: The Texas State Board of Fire Insurance requires utilities that provide fire protection to have a
minimum amount of water available based on 30 gals per person per day. - Answer- False (130 gals
per person per day)
T/F: The primary state regulator of water utilities is the TCEQ. - Answer- True
T/F: All community and non-transient non-community PWS, regardless of source of water, must be
under the supervision of a licensed water works operator. - Answer- True
Meter readers bring in operating revenue and profoundly impact _____ relations. - Answer- Public
The federal regulator of drinking water is the _____. - Answer- EPA
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
demand - Answer- Monitoring average and maximum daily water _____ enables us to plan ahead for
growth.
potable - Answer- suitable for drinking
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