Class D Water Operator License Exam TCEQ With Complete Solutions.
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TCEQ
Institution
TCEQ
Class D Water Operator License Exam TCEQ With Complete Solutions.
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 defici...
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Class D Water Operator License Exam TCEQ With
Complete Solutions.
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.)
T/F: Taste and odor can come from organisms such as vegetation, bacteria, and
algae, and from certain chemicals and metals.
True
T/F: The deeper the well, the warmer the water.
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