TCEQ STUDY GUIDE TEST PAPER
QUESTIONS AND SOLUTIONS GRADED
APLUS
●● 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
QUESTIONS AND SOLUTIONS GRADED
APLUS
●● 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