Class D Water Operator License Exam
TCEQ Water Treatment Study Guide |
Water Treatment Study Guide
,1. How much does a cubic foot of water weigh? a. 8.34 lbs
b. 7.48 lbs
c. 62.38 lbs
d. 15.82 lbs
2. What is the best way to store a 150# chlorine gas a. On its side
cylinder? b. Above ground level
c. Upright, secured from falling
3. Which is not a proper alternative for treatment of a. Pretreatment by the IWTS followed by discharge to the POTW
industrial wastewater? b. Direct discharge to receiving waters
c. Discharge to POTW for treatment
d. Complete treatment by IWTS and discharge to receiving waters
4. Where should an SCBA be stored for use in a a. At the first aid station
chlorination facility? b. In the chlorination facility, just inside the door
c. In the employee locker room
d. At the chlorination facility, just outside the door
5. Which is the best method for obtaining representative a. Time-proportional sampling
samples? b. Flow-proportional sampling
c. Equal volume sampling taken every two hours
d. Grab sampling
, 6. What information can be obtained from a chain-of- a. Procedures for testing of wastewater samples
custody? b. List of all people who have come in contact with the samples
c. Sampling requirements of the wastewater permit
d. Evidence log from custody hearing
7. What is the purpose of locking out an electrical motor a. Keep operators out of the electrician's office
during maintenance? b. Keep energy usage down
c. Prevent people from entering the area
d. Prevent the motor from starting
8. What is the volume of a cylindrical tank with an 8 foot a. 602.8 gallons
diameter and 12 feet tall? b. 6028 gallons
c. 45095 gallons
d. 4510 gallons
9. What is the proper way to align packing rings on a a. Vertically
centrifugal pump? b. Align the joints
c. Stagger the joints
d. Horizontally
10. What is the purpose of the influent baffle at the a. To produce an even flow and prevent short-circuiting
entrance of a clarifier? b. To reduce the sludge settling rate
c. To lower the decibel rating of the clarifier
d. To decrease flocculation rates
TCEQ Water Treatment Study Guide |
Water Treatment Study Guide
,1. How much does a cubic foot of water weigh? a. 8.34 lbs
b. 7.48 lbs
c. 62.38 lbs
d. 15.82 lbs
2. What is the best way to store a 150# chlorine gas a. On its side
cylinder? b. Above ground level
c. Upright, secured from falling
3. Which is not a proper alternative for treatment of a. Pretreatment by the IWTS followed by discharge to the POTW
industrial wastewater? b. Direct discharge to receiving waters
c. Discharge to POTW for treatment
d. Complete treatment by IWTS and discharge to receiving waters
4. Where should an SCBA be stored for use in a a. At the first aid station
chlorination facility? b. In the chlorination facility, just inside the door
c. In the employee locker room
d. At the chlorination facility, just outside the door
5. Which is the best method for obtaining representative a. Time-proportional sampling
samples? b. Flow-proportional sampling
c. Equal volume sampling taken every two hours
d. Grab sampling
, 6. What information can be obtained from a chain-of- a. Procedures for testing of wastewater samples
custody? b. List of all people who have come in contact with the samples
c. Sampling requirements of the wastewater permit
d. Evidence log from custody hearing
7. What is the purpose of locking out an electrical motor a. Keep operators out of the electrician's office
during maintenance? b. Keep energy usage down
c. Prevent people from entering the area
d. Prevent the motor from starting
8. What is the volume of a cylindrical tank with an 8 foot a. 602.8 gallons
diameter and 12 feet tall? b. 6028 gallons
c. 45095 gallons
d. 4510 gallons
9. What is the proper way to align packing rings on a a. Vertically
centrifugal pump? b. Align the joints
c. Stagger the joints
d. Horizontally
10. What is the purpose of the influent baffle at the a. To produce an even flow and prevent short-circuiting
entrance of a clarifier? b. To reduce the sludge settling rate
c. To lower the decibel rating of the clarifier
d. To decrease flocculation rates
