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127 Cards in this Set
- Front
- Back
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What is a water system that provides water to atleast 15 service connections or 25 people for atleast 60 days per year? |
Public water system |
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Which of the following is a required component of a source water assessment (SWAP)? |
An inventory of all possible contaminating activities |
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Which of the following is not an element of a watershed survey? 1. Determines and identifies drinking water hazards 2. Determines factors that affect water quality 3. Selects treatment requirments 4. Determines the types and severity of PCAs |
Determines the types and severity of PCAs |
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What is the surface water right when property ownership is adjacent to the water source and diversion of the water is for reaonable use? |
Riparian
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What is the surface water right when diversion is based upon " beneficial" use? |
Appropriation |
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How often Should source water sanitary surveys be updated and submitted to the regulatory authorities? |
Every five years |
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How should organization decision making be established? |
As close to the operational action as possible |
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What must be established for employees with delegated responsibilities to be held responsible for their actions? |
The employee must be given direct authority to go along with the delegated responsibilities |
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What is a type of water service supplied to customers that is seasonal or interruptible? |
Non-firm |
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Which of the following would not be considered a tool for organizational control? 1. Control through procedure 2. Control through policy 3. Control through budget 4. Control through operations
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Control though operations |
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What is considered a good management tool when hiring new employees? |
Utilizing a probation period for all new employees |
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What is a key factor in establishing requirements and qualifications for a piticular job? |
Must be substantiated by the duties/responsibilities of the job |
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As a minimum, how many years is necessary for proper operational planning? |
10 |
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Which of the following would not typically be included in an organizational chart? |
Salaries |
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What does the term "span of control"refer to? |
Number of staff under direct supervision of a manager |
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what describes the functions, responsibilities, objectives, and limitations of authority? |
Job specifications |
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Which of the follwoing is not typically on of the initial steps for system planning? 1. Determining underghround utilities 2.Projecting current and futare populations 3. Determining groundwater sources 4. determining water consumption data |
determining undrgound utilities |
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When designing a water distribution system, what two types of flow rater are considered most important? |
Instantaneous/Daily average |
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What are costs that vary directly to the amount of water produced such as treatment chemicals? |
Commodity |
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What multiple-tier water rate is designed upon the concept of increased unit charges? |
Inverted-block |
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What are costs that involve the construction, replacement, repair, and major improvements of water facilities? |
Capital |
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Which map provides a detailed description of portion of the system generally with a scale of 50 to 200 feet per inch? |
Sectional map |
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Which of the following is a means of transmitting several signals over a single communications path? |
Polling |
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What record system is used by field crews to complete and submit information on work performed? |
Work orders |
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What is a means of recording information such as data base sets, land records, and facility assets into a "layared" format? |
AM/FM/GIS |
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What is the term to describe devices that measure process variables such as pressures and flows? |
Primary sensors |
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What does "SCADA" refer to? |
Supervisory Control and Data Acquisition |
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What is the study that determines the effect of an emergency? |
Vulnerability Assessment |
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Which of the following hazards is typically considered the most devestating and wide spread? 1. Tornado 2. earthquake 3.Flood 4. Hurricane |
Hurricane |
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Which of the following is considered the most critical component of any emergency plan 1. Proper utility insurance 2. Adequate financial resources 3. Quality personal 4. Proper equipment |
Quality personnel |
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What document lists the type of disasters and the magnitude of the hazards associated with them? |
Hazard Summary |
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Which of the following is not considered one of the three levels of emergency planning? 1. Strategic 2. Operational 3. Tactical 4. Managerial |
Managerial |
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Which of the following is not considered a basic principle of an emergency preparedness plan? 1. Be concise 2. Be union approved 3. Be coordinated with other agencies 4. Use or reference existing resources only |
Be union approved |
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Which of the following is not considered a critical criteria for evaluating acceptable performance and service levels for emergency preparedness planning? 1. Aesthetics must be maintained 2. Adequate quantities of water must be availble 3. Water must be delivered at sufficient pressure 4. Water must be safe to use |
Aesthetics must be maintained |
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Which of the Following would be considered a critical identification need for a Vulnerability Assessment?
1. What type of pipe material is utilized
2. critical components of a system 3. number of pressure zones 4. emergency response phone numbers |
Critical components of a system
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What is a key concept when determining potential threats to a water utility? 1. design-basis threat 2.design-template threat 3.design- forecast threat 4.design-basic threat |
design - basis threat |
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Which of the following would not be considered a component of a physical protection system? 1. Detection 2.Delay 3.Notification 4.Response |
Notification
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What is the definition of "defense in depth"? 1.Employing many security personal 2. Employing several different security contractors 3. Employing several different security consultants 4. Employing several different forms of physical security? |
Employing several different forms of physical security |
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The CDC has designated a hierarchy of "BSL" laboratories to respond to suspected bioterrorists events. What does "BSL" stand for |
BIO-Safety Level |
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If your utility receives a threatening phone call, what should you do as the receiver of the call? |
Try to keep the caller on line to obtain as much info as possible |
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What is most effective in preventing accidents? |
Employee attitudes |
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who is primary responsible for an individuals safety? |
The individual employee |
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What is the significance of the "LEL"? 1. Point where there is insufficient chlorine to didinfect 2.Condition of high levels of oxygen 3.Point where H2S is an issue 4. point where a CF explosive atmosphere exists |
Point where a CF explosive atmosphere exists |
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Which gas is considered the most hazardous? 1. Carbon dioxide 2. Hydrogen Sulfide 3. Carbon Monoxide 4. Methane |
Hydrogen Sulfide |
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Which of the following is not a division of responsibility within a safety program? 1. Employee responsibility 2. Supervisor responsibility 3. Managerial responsibility 4. Insurer responsibility |
Insurer responsibility |
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What is the most common cause of accidents? |
Poorly instructed or trained employees |
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At a minimum, what information must be included on a locked-out tag(LOTO)? |
Who locked it out and when |
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What program or document provides the employee with pertinent information of hazardous materials in the workplace? |
Material Safety and Data Sheets |
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What is the preferred course of action to take if a serious job safety violation is observed? 1. Continue work but make sure to report it at shift end 2. Discontinue work until the violation is corredcted 3. Report violation to the safety committee 4. contact OSHA
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Discontinue work until the violation is corrected |
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What is typically is required to be tested for when disposing of the old tank coating? 1. Silica and lead 2. Silica and asbestos 3. Silica and graphite 4. Silica and fluoride
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Silica and lead |
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What is the primary objective of a safety program? 1. To prevent accidents 2. To reduce the number of employee lost-work days 3. To maintain morale 4. To encourage safe working habits |
To prevent accidents |
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Who alone has the initial authority to release an injured worker back onto the job? 1. The immediate supervisory 2. The immediate mid-level manager 3. The General Manager 4. The physician |
The physician |
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What is the minimum amount of training required to qualify as an OSHA hazardous Materials Technician? 1. 4 Hours 2. 8 Hours 3. 16 Hours 4. 24 Hours |
24 Hours |
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At a minimum, how many attendants must be in place when working in a permit-required confined space? 1. 1 2. 2 3. 3 4. Does not matter
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1 |
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Which of the following is not used to determine effectiveness of a safety program? 1. Disabling frequency rate 2. Disabling Severity rate 3. Disabling Statistical rate 4. OSHA Incident rate |
Disabling Statistical rate |
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Which of the following would be considered a critical component of a safety program? 1. Monetary incentive program 2. Accident investigation policy 3. Hardcopy accidents reports 4. Establishment of a safety committee
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Establishment of a safety committee |
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What detection level of the "LEL" must always be employed when monitoring CF gasses? 1. 1% 2. 5% 3. 10% 4. 20% |
10% |
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What is the minimum distance between a well head and a significant source of contamination? 1. 25 feet 2. 50 feet 3. 100 feet 4. Minimum distance are determined locally and established on an individual basis |
Minimum distance are determined locally and established on an individual basis |
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What is a surface stream that flows throughout the year? 1. Perennial 2. Riparian 3. Intermittent 4. Ephemeral
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Perennial |
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What is a surface stream that flows only part of the year? 1. Perennial 2. Riparian 3. Intermittent 4. Ephrmeral
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Intermittent |
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What is a surface stream that flows typically only immediately following a rain storm? 1. Perennial 2. Riparian 3. Intermittent 4. Ephemeral |
Ephemeral |
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What is a means of refilling an aquifer? 1. Permeation 2. Adsorption 3. Re-storage 4. Recharge |
Recharge |
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Which of the following is not a means of measuring groundwater depth? 1. Steel tapes 2. Electrode 3. Air pressure 4. Water pressure |
Water pressure |
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What effect does algae have on dissolved oxygen in raw surface water?
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High DO during day/low DO during the night |
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What to the pH in raw surface water sources between day and night?
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Becomes more acidic at night |
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What element is associated with staining of porcelain fixtures when present in groundwater? |
Manganese |
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What is the drawdown of a well at a flow of 525 gpm if the drawdown is 125 at 350?
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Should be greater then 125 feet |
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What is "maximum safe yield"?
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amount of reliable water supply over a sufficient period of time |
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What is the top of the saturated zone called? |
Water Table |
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What is a water-bearing geological stratum(layer of sand,gravel, and other materials)called? |
Aquifer |
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Which of the following best describes a deep well? 1. High turbidities 2. Impacted by pathogens 3. Consistent water tempertures 4. High amounts of suspended particles
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Consistent water temperatures
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Which of the following is not part of the hydrological cycle? 1. Transpiration 2. Evaporation 3. Condensation 4. Emulsification
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Emulsification |
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What is a wells specific capacity performance?
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Well yield divided by the drawdown in feet |
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What is the primary purpose for concrete slurry being poured in the annular space between the well casing and the side wall of the bore hole? |
Prevents surface water and contaminant intrusion |
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What term is used to describe the ability of water to hydraulically move through an aquifer? |
Permeability |
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What are the primary components of hard water? |
Dissolved calcium and magnesium |
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What is a typical cause of colored water and dingy laundry complaints received from customers? |
Manganese & iron in the water |
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What is the primary concern regarding turbidity? |
It can inhibit disinfection |
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Which of the following is an example of a regulated radiological gas contaminant that is colorless, tasteless, and primary associated with groundwater? 1. Radium 2. Radan 3. Radian 4. Radon
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Radon |
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If a system collects fewer then 40 bacteriological samles per month, how many "present" results would result in a MCL violation? |
2 |
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The Total Coliform Rule (TCR) requires results to reported in what format? |
Presence/absence |
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Slimes in the distribution system are typically removed by what process? |
Scouring |
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A bacteriological sample collected in a set of three following a routine sample " present" result is labeled as what type of sample? |
Repeat |
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US/EPA & State secondary standards address what type of water quality issue? |
Taste, odor, & appearance |
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What is the MCLG for lead? |
ZERO |
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Along with the amount of background fluoride, what variable determines optimum fluoride dosage? |
Annual average maximum daily air temperature |
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What can be a temporary cloudiness in water? |
AIR |
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What can cause intestinal upsets? |
High level of TDS |
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How long after a bacteriological sample comes back positive must a repeat sample be taken? |
24 hours |
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What is the maximum hold time for a pH sample? |
6 Hours |
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When is a pH measurement best taken? 1. within 48 hours of the sample 2. Within 24 hours of the sample 3. Within 8 hours of the sample 4. At the time the sample is taken |
at the time the sample is taken |
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What is "Chlorine demand"? 1. Total amount of chlorine applied 2. remaining chlorine after disinfection has occured 3. Differential between the total and the residual 4. same as DPD |
Differential between the total and the residual |
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What effect does increased pH have on chlorine disinfection? 1. Decreases 2. Increases 3. Remains unchanged 4. Depends upon the TDS |
Decreases |
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What chemical is commonly used in the field to analyze for chlorine residual? 1. MMO-MUG 2. DDT 3. SPADNS 4. DPD |
DPD |
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What is the recommended mimimum chlorine residual that should be applied entering the system? 1. 0.2 ppm 2. 0.5 ppm 3. 1.0 ppm 4. 2.0 ppm |
0.2 ppm |
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What type of value is represented by "MPN"? 1. Actual count of colony formation numbers of coliforms 2. A statistical value of coliform colonies present 3. Concentration of coliforms in ppm equivalents 4. Concentration of coliforms in mg/L |
A statistical value of coliform colonies present |
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Which of the following is considered the most critical for a distribution system? 1. low turbidity levels 2. Acceptable nitrate levels 3. Acceptable levels of disinfection by-products 4. Absence of coliforms
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Absence of coliforms |
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What determines the number of monthly bacteriological samples that a utility must take? 1. |
Number of service connections or customers, which ever requires the greater number of samples |
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What is the minimum amount of time that bacteriological sample results must be maintained by the water utility? 1. 1 year 2. 3 years 3. 5 years 4. 10 years
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5 years |
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Which of the following is a true statement regarding chloramination? 1. Ammonia must be fed prior to the chlorine 2. A typical ratio of 3:1 of ammonia to chlorine is ideal 3. Chloramines require less contact time then chlorine 4. Chloramines require more contact time then chlorine
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Chloramines require more contact time then chlorine |
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Which chemical is commonly used as an algaecide? 1. Aluminum sulfate 2. Copper acetate 3. Copper sulfate 4. Aluminum |
Copper sulfate |
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Which of the following does not typically affect T&O? 1. minerals 2. Dissolved gasses 3. Algae 4. pathogens |
Pathogens |
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Which of the following chemical forms of disinfectant is most effective? 1. Hypochlorous acid 2. hydrochloric acid 3. hypochlorite ion 4. chloramine |
Hypochlorous acid |
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When considering taste & odor issues with disinfectant choices in the distribution system, which disinfectant would be the best choice? 1. Chloramines 2. chlorine 3. Ozone 4. UV |
Chloramines |
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Which of the following is the most reliable backflow device? 1. vacuum breaker 2. Double check valve 3. Air gap 4. Barometric |
air gap |
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What are the two conditions that will cause backflows to occur 1. Cavitation and water hammer 2. Backpressure and backsyphonage 3. Vacuum and backsyphoning 4. Back pressure and cavitation |
Backpressure and backsyphonage |
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What could be the cause of back-siphon? 1. down-stream conditions create increases system pressure 2. Up-stream conditions create increase system pressure. 3. System pressures drop below 35 PSI 4. System experiences a negative pressure condition |
System experiences a negative-pressure condition |
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Which of the following has the potential greatest affect on public health? 1. Disturbance of sediments 2. Ineffectual chlorination 3. Water hammer 4. Back-syphonage |
Back-syphonage |
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besides after installed or repaired, when must backflow devices be tested? 1. Annually 2. semi-annually 3. Monthly 4. weekly |
annually |
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What is the primary determining factor for selecting the proper backflow device? 1. the customer 2. the system pressure 3. The budget 4. the degree of hazard |
The degree of hazard |
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Which of the following is normally associated with red water complaints? 1. iron corrosion 2. Algae 3. Color and turbidity 4. soft water
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Iron corrosion |
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Which of the following would not normally be a factor associated with corrosion? 1. Low pH 2. low dissolved oxygen 3. high sulfates 4. High soil moisture |
Los dissolved oxygen |
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What type of corrosion is due to coupling dissimilar metals? 1. Internal 2. External 3. Galvanic 4. Stray-current |
Galvanic |
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In what manner do electrons flow in a corrosion cell? 1. From the anode to the cathode 2. From the cathode to the anode 3. From the inviter to the rectifier 4. From the rectifier to the inverter |
From the anode to the cathode |
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Which metal is higher on the galvanic series? 1. Zinc 2. lead 3. Iron 4. brass |
Zinc |
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what chemical is commonly used to reduce the corrosive nature of water by increasing the pH? 1. Copper sulfate 2. Aluminum Sulfate 3. sodium hypochlorite 4. sodium hydroxide |
Sodium hydroxide |
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wht device converts AC to DC? 1. inverter 2. Rectifier 3. Anode 4. Tranformer |
rectifier |
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Typically an impressed cathodic protection anode will last for at least how many years. 1. 5 years 2. 10 years 3. 20 years 4. 40 years |
10 years |
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What is a tier 1 notification |
Tier 1 is considered the most serious and has extensive notification requirements (acute) |
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How long do you have to notify the public for a tier one notification? |
24 hours |
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How long do you have to notify for a tier 2 violation? |
30 days |
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How long do you have to notify for a tier 2 violation? |
30 days |
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How long do you have to notify for a tier 3 violation? |
365 days |
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Hydrants should be capable of providing at least how much gpm |
600 |
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What are costs that involve the construction, replacement, repair, and major improvements of water facilities? |
Capital |
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What are centrifugal pump advantages? |
Compact Inexpensive Smooth flow characteristics Design efficiency @75-85% Operates against a closed head |
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Centrifugal pump disadvantages? |
Not self priming Suction lift has limitations(15-20/25 feet practical , 34 feet theoretically |
