Water Treatment Sac State Practice Exam Questions And Answers Rated A+ 2024.
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Water Treatment Sac State Practice
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Water Treatment Sac State Practice
Water Treatment Sac State Practice Exam Questions And Answers Rated A+ 2024.
1. Intrusion of seawater into groundwater basins results from _ - correct answer. overpumping fresh water
2. What is the basic objective of the operation of water treatment plants?
1. Ensure that people d...
Water Treatment Sac State Practice Exam
Questions And Answers Rated A+ 2024.
1. Intrusion of seawater into groundwater basins results from _ - correct answer.
overpumping fresh water
2. What is the basic objective of the operation of water treatment plants?
1. Ensure that people drink plenty of water each day to support healthy lifestyles
2. Increase water use and encourage water-intensive landscaping
3. Produce safe, aesthetically pleasing drinking water at a reasonable cost
4. Provide opportunities for professional advancement and salary increases - correct
answer. Produce safe, aesthetically pleasing drinking water at a reasonable cost
3. What is one characteristic of a community water system?
1. Regularly serves at least 25 full-time residents
2. Regularly serves at least 25 people who are not residents
3. Regularly serves fewer than 25 full-time residents
4. Regularly serves fewer than 25 of the same
individuals - correct answer. Regularly serves at least 25 full-time residents
4. Which of the following influence the size of a water treatment plant as well as the
number and types of processes it uses?
1. Expected water rates and projected profits
2. Impurities in raw water and cost considerations
3. National average rainfall and snowpack levels
4. Local landscaping styles and native plant programs - correct answer. Impurities in
raw water and cost considerations
5. Which plant operating guidelines are routinely monitored by water treatment plant
operators?
1. Equipment cleaning and painting schedules
2. Flows and water quality indicators
,3. Number and frequency of public tours
4. Vehicle mileage and fuel usage - correct answer. Flows and water quality indicators
6. What is one purpose of clear wells or plant storage reservoirs?
1. Act as a trigger for ON/OFF cycling of finished water pumps
2. Allow clarification of water by providing time for particulates to settle out
3. Allow drawdown when demands are low to perform maintenance
4. Provide operational storage to average out high and low flow demands - correct
answer. Provide operational storage to average out high and low flow demands
7. How would you verify the actual raw water flow rate after adjusting the pumping rate
to a water treatment plant?
1. Check reservoir levels
2. Count the number of pumps in service
3. Read the raw water flow measuring device
4. Rework the flow calculations - correct answer. Read the raw water flow measuring
device
8. How are the initial selection of chemical types and anticipated feed rates for a given
application in a water treatment plant usually deter-mined?
1. Computer modeling
2. Jar tests
3. Marble tests
4. Pilot-plant tests - correct answer. Pilot-plant tests
9. What is the best source of information about dangerous chemicals?
1. Chemical analysis from a certified laboratory
2. Safety data sheets (SDS)
3. Trial and error tests
4. Verbal reports from other operators - correct answer. Safety data sheets (SDS)
11. Which of these chemicals is one of the most dangerous common alkalies?
1. Calcium hydroxide
2. Caustic soda
3. Chlorine
4. Sodium bicarbonate - correct answer.
11. Which of these chemicals is one of the most dangerous common alkalies?
1. Calcium hydroxide
2. Caustic soda
3. Chlorine
4. Sodium bicarbonate - correct answer. Caustic soda
12. What should you do if an operator is not breathing due to chlorine gas exposure?
1. Cover victim with a blanket
2. Flush victim's eyes with water
,3. Perform hands-only or conventional CPR
4. Provide victim with milk - correct answer. Perform hands-only or conventional CPR
13. Water samples taken to measure compliance with water quality standards are
usually collected at _ - correct answer. entrance to the distribution system
14. In a water treatment plant, turbidity is commonly monitored at _, _, _, _, and _ -
correct answer. source water, flocculation effluent, sedimentation effluent, and filter
effluent
10. The chlorine cylinder in service has less than 1 day's chlorine supply remaining.
Three 150 lb chlorine cylinders are in storage. The plant uses an average of 28 pounds
of chlorine per day (lb/d).
How many days' supply of chlorine is available?
1. 13 days
2. 14 days
3. 15 days
4. 16 days - correct answer. 16 days
15. The range of turbidity removal effectiveness is
important because of the relationship between turbidity and _ - correct answer.
pathogenic organisms
16. Federal laws include sludge from a water
Treatment Plant as a _ waste that requires proper handling and disposal. - correct
answer. Industrial
17. What should an operator do promptly when a treatment process upset results in the
failure to meet a specific drinking water quality standard?
1. Apply to EPA for a waiver
2. Notify appropriate local health authorities
3. Stop operating process
4. Switch sources of raw water - correct answer. Notify appropriate local health
authorities
18. If a water treatment plant must be dewatered for emergency repairs, how would you
prepare for this event?
1. Empty all storage reservoirs before repairs
2. Fill all storage reservoirs by early evening
3. Rewrite preventive maintenance program
documents
4. Take photos of failed equipment - correct answer. Fill all storage reservoirs by early
evening
19. What kinds of records are operators required to keep on file for specified time
periods for regulatory compliance?
, 1. Annual vehicle mileage and maintenance
2. Breakroom and restroom cleaning schedules
3. 'Timesheets and retirement contribution records
4. Water quality analysis and customer complaints - correct answer. Water quality
analysis and customer complaints
20. What is one way of keeping track of how much time and money is spent doing
various types of
work?
Tablectronic timesheets
2. Operator diaries
3. Preventive maintenance program
4. Work order system - correct answer. Work order system
21. How can energy requirements for lighting be reduced in a water treatment plant?
1. Keep lights on in unoccupied spaces
2. Light all areas of the yard
3. Turn off lights in unoccupied spaces
4. Use mercury vapor lamps - correct answer. Turn off lights in unoccupied spaces
22. What regulations require that accurate records of water treatment plant operations
be maintained?
1. Americans with Disabilities Act
2. Freedom of Information Act
3. Occupational Safety and Health Act
4. Safe Drinking Water Act - correct answer. Safe Drinking Water Act
23. What contributes to most treatment plant accidents?
1. Application and knowledge of safe procedures
2. Availability and convenience of safety equipment
3. Carelessness and negligence
4. Plant design and construction - correct answer. Carelessness and negligence
24. What is the responsibility of water treatment plant operators?
1. Avoid boil-water orders
2. Minimize costs of producing drinking water
3. Produce safe and pleasant drinking water
4. Successfully pass operator certification
examinations - correct answer. Produce safe and pleasant drinking water
25. What do most states require for someone to work as a water treatment plant
operator?
1. College diploma
2. Driver's license
3. First-aid training
4. Operator certificate - correct answer. Operator certificate
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