Correct Answers
list the functions commonly performed by electronic signals - CORRECT ANSWER✔✔1.
Indication (gauges, digital indicators, and cathode ray tube displays)
2.Recording (strip or circular charts)
3.Data logging (magnetic tape or disks)
4.Alarm (audible or visual)
5. Control (computer, solid state circuitry, or relay logic systems)
After a major flood, what action should be taken by a water treatment plant operator? -
CORRECT ANSWER✔✔1. Inspect accessibility of all facilities.
2. Check condition and function of all process equipment.
3. Check structures and chemical storage tanks for structural or other damage.
4.Check the plant piping system for leaks or other visible signs of damage.
5.Prepare a preliminary damage report.
6.Report conditions to plant supervisory personnel.
what are performance records? - CORRECT ANSWER✔✔1. Daily operation records (process
production inventory, process changes, process equipment performance)
2.Water quality records (source water, process water, finished water)
3.Equipment failure records.
4.Accident records
5.Consumer complaint records (include follow up investigations and corrective actions taken)
6. Chemical inventory records (include storage amounts, safe storage levels, procurement
records)
, 7.Charts produced by process records (strip chart recorders)
8.Visitor information
list the major elements of a good preventive maintenance program - CORRECT
ANSWER✔✔1.Planning and scheduling
2.Records management
3.spare parts management
4.Cost and budget control
5.Emergency repair procedures
6.Training program.
how can the consumption of electric energy at a water treatment plant be reduced? - CORRECT
ANSWER✔✔1.Turning lights off when leaving a room or work area
2.Turning lights off in unoccupied areas
3.Limiting yard lighting to essential areas
4.Replacing existing lamps with high efficiency lamps as the old ones burn out or require
replacing
5.Converting mercury vapor lamps to more efficient high pressure sodium vapor lamps
List the major sources of energy consumption in the operation of a water treatment plant -
CORRECT ANSWER✔✔lighting, heating, and air conditioning, and powering numerous electric
motors
List the potential hazards an operator could be exposed to during the routine operation of a
water treatment plant. - CORRECT ANSWER✔✔1. Electrical equipment (shocks)
2.Rotating mechanical equipment
3.Open surface, water filled structures (drowning)
4.Underground structures (toxic and explosive gases, lack of oxygen, or too much oxygen)