TCEQ SURFACE WATER COURSE EXAM
QUESTIONS & ANSWERS PASSED ALL GRADE
A+
1. A restricted zone around a surface water 4. A inch
intake of rise per
feet radius shall be established minute in
and all recreational activities prohibited. the filter is
required to
a. 500' give a
b. 200' good
c. 1000' backwash
d. 800'
e. None of the above a. 35
2. The primary standard for calibrating a
nephelometer is:
a. formic acid
b. fluoride
c. formazin
d. ferric chloride
e. silver sulfate
3. The process where smaller particles in the
water are combined to form larger heavier
ones that sink in a settling basin is called:
a. coagulation
b. pre-sedimentation
c. disinfection
d. oxidization
e. filtration
1/
64
,TCEQ SURFACE WATER COURSE EXAM
QUESTIONS & ANSWERS PASSED ALL GRADE
A+
b. 200'
c. formazin
a. coagulation
b. 25
2/
64
,TCEQ SURFACE WATER COURSE EXAM
QUESTIONS & ANSWERS PASSED ALL GRADE
A+
b. 25
c. 40
d. 20
e. None of the above
5. Under normal conditions a rapid sand filter operates a e. 16 gpm
2 gpm/ft square. During the back wash cycle the
back wash rate should be per ft square.
a. 15 gpm
b. 20 gpm
c. 35 gpm
d. 8 gpm
e. 16 gpm
6. When softening water which process is e. a and b
used?
a. sodium zeolite
b. lime/soda ash
c. phosphate exchange
d. all of the above
e. a and b
a. 2.5
3/
64
, TCEQ SURFACE WATER COURSE EXAM
QUESTIONS & ANSWERS PASSED ALL GRADE
A+
7. A water plants treats 750,000 gallons per b. 77
day. The normal chlorine dosage is 8 mg/L.
If the disinfectant used is 65% calcium
hypochlorite, how many pounds of calcium
hypochlorite are fed each day?
a. 33
b. 77
c. 50
d. 55
b. algae
8. Solids and turbidity in raw water come form
urban run-off, stream-bank erosion, agricultural
run off, and
a. algae forming
b. industry discharge
c. treatment sludge removed by
d. domestic sewage sedimentati
on.
9. Geosmin or cause taste and
a. insoluble
odor in water
coagulate
s
a. methylisoboreal
b. coagulate
b. methylbutanol
d solids
c. powdered carbon
d. methane
e. methanol
10. Aeration oxidizes iron and manganese4
4/
64
QUESTIONS & ANSWERS PASSED ALL GRADE
A+
1. A restricted zone around a surface water 4. A inch
intake of rise per
feet radius shall be established minute in
and all recreational activities prohibited. the filter is
required to
a. 500' give a
b. 200' good
c. 1000' backwash
d. 800'
e. None of the above a. 35
2. The primary standard for calibrating a
nephelometer is:
a. formic acid
b. fluoride
c. formazin
d. ferric chloride
e. silver sulfate
3. The process where smaller particles in the
water are combined to form larger heavier
ones that sink in a settling basin is called:
a. coagulation
b. pre-sedimentation
c. disinfection
d. oxidization
e. filtration
1/
64
,TCEQ SURFACE WATER COURSE EXAM
QUESTIONS & ANSWERS PASSED ALL GRADE
A+
b. 200'
c. formazin
a. coagulation
b. 25
2/
64
,TCEQ SURFACE WATER COURSE EXAM
QUESTIONS & ANSWERS PASSED ALL GRADE
A+
b. 25
c. 40
d. 20
e. None of the above
5. Under normal conditions a rapid sand filter operates a e. 16 gpm
2 gpm/ft square. During the back wash cycle the
back wash rate should be per ft square.
a. 15 gpm
b. 20 gpm
c. 35 gpm
d. 8 gpm
e. 16 gpm
6. When softening water which process is e. a and b
used?
a. sodium zeolite
b. lime/soda ash
c. phosphate exchange
d. all of the above
e. a and b
a. 2.5
3/
64
, TCEQ SURFACE WATER COURSE EXAM
QUESTIONS & ANSWERS PASSED ALL GRADE
A+
7. A water plants treats 750,000 gallons per b. 77
day. The normal chlorine dosage is 8 mg/L.
If the disinfectant used is 65% calcium
hypochlorite, how many pounds of calcium
hypochlorite are fed each day?
a. 33
b. 77
c. 50
d. 55
b. algae
8. Solids and turbidity in raw water come form
urban run-off, stream-bank erosion, agricultural
run off, and
a. algae forming
b. industry discharge
c. treatment sludge removed by
d. domestic sewage sedimentati
on.
9. Geosmin or cause taste and
a. insoluble
odor in water
coagulate
s
a. methylisoboreal
b. coagulate
b. methylbutanol
d solids
c. powdered carbon
d. methane
e. methanol
10. Aeration oxidizes iron and manganese4
4/
64
