Complete Exam Study Questions with
Verified Answers (Most asked
Questions with Correct Answers)
1. T/F: In Texas, about 75% of all water is used for commercial, industrial, or
agricultural purposes. - ANSWER True
2. Water covers approximately ________ of Earth's surface. - ANSWER 71%
3. Drought is an extended period when a region receives a deficiency in its
________ water supply. - ANSWER atmospheric, ground, or surface
4. T/F: The primary state regulator of water utilities is the TCEQ. - ANSWER
True
5. 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
6. Meter readers bring in operating revenue and profoundly impact _____
relations. - ANSWER Public
7. The federal regulator of drinking water is the _____. - ANSWER EPA
,8. T/F: Duties of distribution operator include repairing leaks, making taps,
flushing mains, and taking radiological samples. - ANSWER False (Repair
leaks, Make taps, Flush mains, Operate pumps, Take *bacteriological*
samples)
9. A service area has 1000 service connections. What can we estimate the
population of this service area to be? - ANSWER 3,000 (multiply
connections x 3)
10.T/F: The State must be notified after an existing facility is changed or after
construction of a new facility. - ANSWER False (must notify *before*)
11.T/F: A Class "D" license is valid for 2 years at ground and purchase water
systems with 250 connections or less. - ANSWER False (3 years)
12.T/F: The physical characteristics of water are color, taste, odor, temperature,
and turbidity. - ANSWER True
13.An alkaline or basic solution has a pH greater than ____. - ANSWER 7
14.T/F: The terms mg/L and ppm are not interchangeable. - ANSWER False
(they are interchangeable)
15.Suspended solids in water cannot be filtered out. - ANSWER False (they
can)
16.Solids, water hardness, pH and gases are ____ characteristics. - ANSWER
Chemical
,17.T/F: There are 2 hydrogen atoms and 1 oxygen atom in each water molecule.
- ANSWER True
18.T/F: Only about 1 gallon of tap water per person/day is used for drinking
and cooking - ANSWER True
19.Excluding outside water use, the average household uses about _______
gallons of water per month for inside use - ANSWER 2,000
20.T/F: Only 3% of all the fresh water on earth can be easily accessed for use. -
ANSWER False (only 1%)
21.T/F: In 1978, the Texas Department of Health (TDH) assumed primacy over
the Safe Drinking Water Act from the EPA. - ANSWER True
22.T/F: PWS officials should be pro-active in their approach to terrorism. -
ANSWER True
23._________ 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
24.In Texas, agricultural water demand accounts for about ___% of the total
water used. - ANSWER 57%
25.T/F: An example of a non-transient non-community PWS is a rural school. -
ANSWER True
, 26.Monitoring average and maximum daily water ______ enables us to plan
ahead for growth. - ANSWER Demand
27.T/F: The Safe Drinking Water Act sets standards for drinking water
including physical, chemical, bacteriological, and radiological
characteristics. - ANSWER True
28."Potable" means water is safe to drink and has a measurable chlorine
________. - ANSWER Residual
29.The plant operator is responsible for a sufficient supply of safe and
________ drinking water. - ANSWER Palatable
30.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)
31.T/F: The State recommends a water pH of less than 7 to be maintained at all
time. - ANSWER False (The state recommends a pH slightly greater than 7
and for the water to be non-corrosive.)
32.T/F: Taste and odor can come from organisms such as vegetation, bacteria,
and algae, and from certain chemicals and metals. - ANSWER True
33.T/F: The deeper the well, the warmer the water. - ANSWER True
34.T/F: The threshold odor number (TON) relates to the number of dilutions
needed for the water to be tasteless. - ANSWER False (It reflects the
number of dilutions needed for water sample to be *odorless*)