ADEQ Wastewater Collections 2 Practice Test

These questions are part of the practice quiz. Start practicing

• In pipe terminology, what is the cylindrical portion of the pipe commonly called?
• Why is it important for utilities to maintain a good relationship with customers?
• The universal color yellow is used to designate which underground line?
• The invert of a pipe is?
• A multimeter can be used to measure which of the following sets of electrical quantities?
• To remove roots from a sewer pipe, which method is recommended?
• To be able to trouble shoot an operator should know how to ?
• Which Statement Correctly Defines GPM in the Context of Pump Performance?
• In wastewater collection terminology, which term is synonymous with a holding tank?
• Which action should you take when you observe an unsafe condition near workers?
• Which component stores wastewater at a collection site and helps regulate flow to downstream facilities?
• Which component acts as the prime mover of wastewater in a centrifugal type pump?
• The best way to track all maintenance is by?
• Which is the most common type of pump used for moving wastewater from a lift station?
• CMOM stands for which phrase?
• If a sewer main backs up, what will generally happen?
• A pump is leaking excessively around the packing gland. The operator should first try to?
• Two crewmembers work an 8 hour day, earn $20 an hour and work 200 days a year. What is their combined annual gross pay?
• The most likely reason pumps are primed is to?
• Which practice is recommended for pumps and motors to ensure reliable operation?
• Variable frequency drives (VFDs) are used when?
• When seeking guidance for installing a chlorine cylinder, which source provides the most authoritative instructions?
• Inspection duties that are performed weekly on a lift station include?
• The release of which gas must be controlled to prevent odor and corrosion in a wastewater collection system?
• When Using an Aluminum Contact, Why Would You Check More Often Than Copper?
• Which action at a lift station is commonly performed monthly?
• How often should manholes be inspected in sewer mains that are not cleaned annually?
• Which accessory on the jetter hose protects the nozzle and prevents it from turning in the hole?
• What is the primary purpose of the operation and maintenance program for the collections system equipment?
• Which equipment is used to remove blockages and clean sewer lines by high-pressure water jets?
• In wastewater terminology, fog refers to which combination?
• How many times can a lead gasket be reused when connecting a new chlorine cylinder?
• The best way to remove grease from a sewer line?
• A customer reports their sewer is plugged. What should you suggest first?
• The purpose of a wastewater system is to?
• What is the definition of a confined space?
• How much psi is required to lift wastewater at a lift station 42 ft?
• Before excavation when a break is identified, what precaution should be taken?
• A sanitary sewer line was cleaned and inspected by televised survey and found to be broken and needs repair. Which should be done first?
• If Rise Is 4 Feet Over a Run of 500 Feet, What Is the Slope Percentage?
• Manhole covers that are properly designed and periodically inspected will provide what outcome?
• Which test would indicate a leak around a newly installed manhole?
• In trench safety, which method is used to keep trench walls stable?
• What device is designed to prevent backflow from the sewer into a building?
• What is the psi corresponding to the 42 ft lift height?
• Which device is specifically used to remove grease from sewer lines?
• Part of the maintenance required for a lift station with tipping balls is to check the?
• Two types of collection system maintenance is preventative and?
• What is the function of lantern rings in a stuffing box?
• What is the reason for knowing the location of a cleaning tool inside a pipe as the line is being cleaned?
• The use of high velocity of water to clean a sewer is referred to as?
• A service tap refers to which feature of a sewer system?
• Which phrase correctly describes residential wastewater?
• Which item is part of a sewage lift level control system?
• Which tool is used with a power rodder to clear root obstructions?
• During a field test, where would hydrogen sulfide be found in a manhole?
• A pig is most likely used in which type of sewer?
• The bubbler tube open end is found in which wastewater equipment?
• Which of the following is a positive displacement pump?
• What term describes solids that settle at the bottom of a wet well?
• Which blueprint view would show if a sewer line goes beneath a feature like an inverted siphon?
• Which precaution is essential before performing lubrication on equipment?
• A multimeter can measure which quantities?
• Color coding for underground utilities commonly marks which utility with yellow?
• Backflow prevention is installed to prevent which problem after a backup in a home?
• If a sewer main backs up, which part of the system is likely to fill first?
• A Lift Station Basin Measures 10 by 30 Feet. If the Water Level Drops 3 Feet in One Hour, Approximately How Many Gallons Per Minute Is the Pump Moving?
• Which tool is used to verify the integrity of newly installed piping by pulling through during testing?
• When referring to a 15 in concrete or pvc pipe, the measurement represents which part of the pipe?
• If a tank contains 950 gallons of water, what is the weight of the water?
• During an air test on a new wastewater construction, which tool is used to check the pipe by pulling it through?
• If you are using a jetter to clean a line not much lower grade than the house, what could happen?
• If an Employee Refuses to Follow Safety Procedures, What Is the Appropriate Action?
• Flow can be expressed as?
• Which option best describes the primary goal of temporary traffic control in a work zone?
• Which poisonous gas is most commonly found in a lift station?
• When calibrating a gas meter, what oxygen level will be shown?
• Which of the following is part of the collections system?
• In a centrifugal wastewater pump, which component primarily transfers energy to the fluid?
• A portion of the sewer installed under an obstruction in which sewage is pushed under the obstacle is called what?
• If you notice a sudden drop in pressure in a force main, what is the likely cause?
• On a positive displacement pump, isolation valves on both sides are typically used for what?
• What is a wet well?
• A lead gasket used with a chlorine cylinder can be reused how many times?
• Dye testing in sewer systems is used to determine what?
• CMOM stands for which term?
• A potential source of inflow includes?
• The Run of a Pipe Is 200 Feet and It Drops 2 Feet. What Is the Rise Over Run Slope in Percent?
• Closing a hydrant valve too quickly can cause which effect in the water distribution system?
• In a wet well, electrode devices can lose conductivity due to coating by what substance?
• If a hydraulic Jetter truck has a 1,000 gallon water tank and delivers 25 gpm, approximately how long can the crew operate before refilling?
• A proper sewer tap enters the public sewer main at about which position?
• What Does Sonar Measure in a Lift Station?
• The level of the fluid that is being pumped is below the center line of the pump?
• How often should you check electrical connections at a lift station?
• During an air test on a new construction, which condition could cause the test to fail?
• What is a common consequence of hydraulic overload in a sewer system caused by infiltration and inflow?
• When using a high velocity cleaning machine, in which direction should the nozzle be pointed?
• What is the proper process to propose a more efficient way to handle a job?
• Which statement accurately reflects the benefit provided by well-designed manhole covers?
• Where is the bubbler tube open end found?
• Which method of inspecting new sewer lines uses bright light and mirrors?
• When calibrating a gas meter, which reading would you expect for oxygen?
• Which of the following is a common inflow source into a sewer system?
• What condition most commonly causes a lift station circuit breaker to trip?
• After a sewer blockage has been cleared, the sewer should be?
• What does the acronym SCADA stand for?
• What is the recommended action when you identify a more efficient method for a job?
• Under which condition would a disinfectant be applied to the work area?
• A common error that causes heat-related problems in maintenance pumps is which action?
• Which of the following is the most important safety consideration when servicing and underground electrical transmission lines?
• A wastewater collection operator should notify a downstream wastewater treatment plant when?
• What is the primary function of a main circuit breaker in a power distribution system?
• In pipe sizing, the measurement listed for a 15-inch pipe represents which dimension?
• Infiltration and inflow cause hydraulic overload; which outcome is most likely?
• On a blueprint, how would you tell if a sewer line goes under or over an inverted siphon?
• How Many Colors Are Used in Blue Stakes?
• How would an operator check a new manhole for leakage?
• Solids on the bottom of a wet well are called?
• What is the minimum flow needed to obtain a scouring velocity in a sewer line?
• Which testing device is used to verify sewer lines for deflection during construction?
• Wastewater sewer lines that have cracks, breaks, root intrusion and defects may allow which of the following?
• Which Method Is Used to Deploy a Kite or a Pig in a Sewer Line?
• If sewer lines are laid on ground that is too flat, the wastewater tends to become which?
• In wastewater collections, which part is associated with the most injuries?
• Which practice best describes a supervisor’s handling of field technicians’ paperwork and reports?
• Lantern rings in a stuffing box primarily accomplish which function?
• How many days can hydraulic shoring be used before hydraulic bleeds down?
• Why are protruding taps unwanted in a collection system?
• Residential waste is described as what type of wastewater?
• In sewer piping, the invert refers to which part?
• What would you use a laser for in a collections construction?
• Immunization recommended for collection system operators are typhoid, hep-b &?
• Which of the following is used for off hour calls as a quick and simple remedy for many?
• Which phenomenon results from rapid valve closure that creates a pressure surge in piping?
• Which issue is most likely to cause an air test failure in a new pipe?
• The least head loss in a pipeline is created by a fully open ?
• The primary purpose of temporary traffic control is?
• The purpose of the o&m program for the collections system equipment is to?
• All metal surfaces exposed to sewage should be painted to?
• Which of the following tools are used with a power rodder?
• In Lift Station Monitoring, What Measurement Does Sonar Provide?
• Which statement best describes a force main?
• What is the best course of action when a crew is observed working near an unsafe condition?
• Which source is best for information on maintaining a new piece of equipment?
• Which action at a lift station should be performed monthly?
• What is a common motor/pump used in a wastewater lift station?
• What term describes using water under pressure to clean a sewer?
• What Can Be Used in a Sewer to Help Prevent Odor?
• Why are metal surfaces exposed to sewage typically painted?
• Which Material Requires More Frequent Checks Due to Corrosion Risk in a Sewer Environment?
• In a wet well, electrode devices can be rendered ineffective due to which issue?
• What does SCADA stand for, and what does it do?
• In a jetting operation, into which manhole is the jetter typically lowered?
• Which method could be used to measure velocity in a wastewater system?
• In sewer maintenance, a 'pig' is most associated with which type of sewer operation?
• During field testing, hydrogen sulfide is found near which part of the manhole?
• Which observation helps maintain a durable maintenance history?
• When using a rodder machine, how should you operate it in the pipe?
• Who usually has responsibility for cleaning and maintaining grease traps and interceptors?
• The cylindrical part of the pipe is often called the?
• The top of the ladder must extend how many inches above the top of the trench?
• What effect do friction losses in a force main have on flow capacity?
• How many inches must the top of a ladder extend above the top of a trench?
• Maintenance required for pneumatic controllers include checking the?
• Which device in a sewage lift station is used to sense the liquid level and trigger pumping?
• What is the best way to clean a large line with heavy debris?
• What type of pump will be damaged if started with the discharge valve closed?
• Which Chemical Is Cited for Disinfection and Odor Control in Sewer Systems?
• What condition damages a pump impeller more than anything?
• The term fog refers to which of the following?
• Wear rings in a pump are used to achieve what practical effect?
• Which testing device is used to test new sewers for deflection and joints?
• What is the first step in lubricating an engine or pump?
• Cross connection between sanitary and storm water can be identified by?
• Which should be done on all pumps and motors?
• Which party is typically responsible for cleaning and maintaining grease traps and interceptors?
• Wearing rings are installed in a pump to?
• If packing fails on a submersible pump, what happens to the electric motor?