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WATER DISTRIBUTION D2 CALIFORNIA PRACTICE LATEST UPDATED 2025/2026 TEST WITH COMPLETE QUESTIONS AND SURE VERIFIED SOLUTIONS 100% GRADED AT A+ SCORE!! SURE GUARANTEED PASS!! 1. The Difference between the static ground water level and the pumping level is the - ANSWER drawdown 2. Contaminant monitoring requirements can depend on - ANSWER all of the above 3. Sodium hypochlorite is - ANSWER a compound that can be purchased in liquid solution and can be used for disinfection. ...

What term is used when a water utility divides its total operating expenses into the total revenue? a.) Debt ratio b.) Operating ratio c.) Credit ratio d.) Coverage ratio b.) Operating ratio

Wet tap A connection made into a main that is full or under pressure is a Cross connection A connection between a safe and an unsafe water supply is called a Is available for use without causing shortages during dry periods Safe yield of a water source is the quantity of water which:

The California Department of Public Health requires public notification when a primary contaminant like total exceeds the 80 required quarterly running average . This type of contaminant does not pose an immediate public health risk and requires PN within _____ days ? 30 days Which of the following are chlorine reducing elements and compounds ? Hydrogen sulfide, reduced manganese, ferrous iron

What do water distribution system operators have the responsibility for? The health and well-being of the community they serve Frequently the water supplier tries to maintain a specific minimum target __________________ throughput the distribution system. Water pressure (20 PSI minimum)

The only absolutely reliable method of backflow prevention is the use of Air Gap The bubbles formed in a positive multiple tube fermentation test are Carbon Dioxide The maximum rate of withdrawal of gas from a 150 lb chlorine cylinder in 24-hours is 40 lbs

New polyvinyl chloride pipe has a C value of about 150+ A plat is a Map The inlet thread on a standard AWWA corporation stop is called a _____ thread Mueller thread

What is the primary purpose of the SDWA? To create uniform national standards for drinking water quality Who sets Maximum Contaminants Levels (MCLs)? USEPA What are some of the duties of the EPA? Sets MCLs, delegates enforcement of SDWA to state agencies, provides grant funds, monitors state activities, provides continued research

The Difference between the static ground water level and the pumping level is the drawdown A customer complaint about the presence of brown floc in tap water can best be handled by investigating the problem as soon as possible