TCEQ CLASS D WATER OPERATOR
LICENSE EXAM | QUESTIONS &
ANSWERS (VERIFIED) | LATEST
UPDATE | GRADED A+
Rule of capture
Correct Answer: Permits owner of a well to pump as much water as desired, even if
water is drained from beneath the land of others
when treating surface water, the process of coagulation will be affected by
Correct Answer: all of the above
a public water system is responsible for providing
Correct Answer: all of the above
a common type of oxidant that is used at most surface water treatment plants to kill
bacteria and to prevent trihalomethane formation is
Correct Answer: combined chlorine
Which of the following is a required step in collecting a routine distribution sample of
microbiological analysis
AGRADESTUVIA 1 CONFIDENIAL
,AGRADESTUVIA 2024/2025 AGRADESTUVIA STORE
1
AGRADESTUVIA 2 CONFIDENIAL
,AGRADESTUVIA 2024/2025 AGRADESTUVIA STORE
Correct Answer: use a sterilized bottles containing sodium thiosulfate
The purpose of an airline on a well is
Correct Answer:
which minerals cause water hardness
Correct Answer: calcium and magnesium
Before a new main is placed into service, it must be properly disinfected with a minimum
chlorine dosage of:
a) 50 mg/L
b) 30 mg/L
c) 40 mg/L
d) 75 mg/L
e) 25 mg/L
Correct Answer: 25 mg/L
A disease which may be spread by inadequately disinfected water is
Correct Answer: Hepatitis A
A physical connection between a potable water supply and non-potable water source is
Correct Answer: cross connection
AGRADESTUVIA 3 CONFIDENIAL
, AGRADESTUVIA 2024/2025 AGRADESTUVIA STORE
2
AGRADESTUVIA 4 CONFIDENIAL