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TCEQ Class C Water License Exam Questions and Answers
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TCEQ Class C Water License Exam Questions and Answers
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TCEQ Class D Water Operator License ExamQuestions With All Correct Answers
T/F: In Texas, about 75% of all water is used for commercial, industrial, or
agricultural purposes. - True
Water covers approximately ________ of Earth's surface. - 71%
Drought is an extended period when a region receives a deficiency in its ________ water
supply. - atmospheric, ground, or surface
T/F: Only about 1 gallon of tap water per person/day is used for drinking and
cooking - True
Excluding outside water use, the average household uses about _______ gallons of
water per month for inside use - 2,000
T/F: Only 3% of all the fresh water on earth can be easily accessed for use. - False
(only 1%)
T/F: In 1978, the Texas Department of Health (TDH) assumed primacy over the Safe
Drinking Water Act from the EPA. - True
T/F: PWS officials should be pro-active in their approach to terrorism. - 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. - Rule of Capture
In Texas, agricultural water demand accounts for about ___% of the total water used.
- 57%
T/F: An example of a non-transient non-community PWS is a rural school. - True
Monitoring average and maximum daily water ______ enables us to plan ahead for
growth. - Demand
T/F: The Safe Drinking Water Act sets standards for drinking water including
physical, chemical, bacteriological, and radiological characteristics. - True
"Potable" means water is safe to drink and has a measurable chlorine ________. -
Residual
The plant operator is responsible for a sufficient supply of safe and ________ drinking
water. - 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. - False (130 gals per person per day)
T/F: The primary state regulator of water utilities is the TCEQ. - 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. - True
Meter readers bring in operating revenue and profoundly impact _____ relations. -
Public
The federal regulator of drinking water is the _____. - EPA
T/F: Duties of distribution operator include repairing leaks, making taps, flushing
mains, and taking radiological samples. - False (Repair leaks, Make taps, Flush mains,
Operate pumps, Take *bacteriological* samples)
A service area has 1000 service connections. What can we estimate the population of
this service area to be? - 3,000 (multiply connections x 3)
T/F: The State must be notified after an existing facility is changed or after
construction of a new facility. - False (must notify *before*)
T/F: A Class "D" license is valid for 2 years at ground and purchase water systems
with 250 connections or less. - False (3 years)
T/F: The physical characteristics of water are color, taste, odor, temperature, and
turbidity. - True
An alkaline or basic solution has a pH greater than ____. - 7
T/F: The terms mg/L and ppm are not interchangeable. - False (they are
interchangeable)
Suspended solids in water cannot be filtered out. - False (they can)
Solids, water hardness, pH and gases are ____ characteristics. - Chemical
T/F: There are 2 hydrogen atoms and 1 oxygen atom in each water molecule. - True
T/F: The State recommends a water pH of less than 7 to be maintained at all time. -
False (The state recommends a pH slightly greater than 7 and for the water to be
non-corrosive.)
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