Water Distribution 2 California Practice test Exam

Water Distribution 2 California Practice test Exam The Difference between the static ground water level and the pumping level is the - CORRECT ANSWER-drawdown A customer complaint about the presence of brown floc in tap water can best be handled by - CORRECT ANSWER-investigating the problem as soon as possible The term "aquifer" relates to which one of the following ? - CORRECT ANSWERgroundwater One indication of corrosive water is a high concentration of - CORRECT ANSWERCarbon dioxide Catholic protection means protection against - CORRECT ANSWER-Corrosion The primary reason for the use of a dry barrel fire hydrant is to - CORRECT ANSWERkeep the hydrant from freezing The component parts of a well include all of the following except - CORRECT ANSWER-pressure switch At the same barometric pressure, the amount of dissolved oxygen in cold water tends to be ............ the amount of dissolved oxygen in the warm water - CORRECT ANSWERmore than Which of the following is the principal constituent in water that causes corrosion of metals? - CORRECT ANSWER-dissolved oxygen Which component of a centritugal pump moves the water? - CORRECT ANSWERimpeller A record containing the size, location, and ties of water mains; valves; hydrants; tanks; reservoirs; and pump stations is called a - CORRECT ANSWER-comprehensive map What term describes water that is suitable for drinking - CORRECT ANSWER-potable a pump delivering 288,000 gallons of water in 24 hours operates at what average flow rate? - CORRECT ANSWER-200 gallons per minute Velocity of flow in mains is usually expressed in terms of - CORRECT ANSWER-Feet per second A competent person at an excavation work site - CORRECT ANSWER-Is capable of identifying hazarda and has the authority to take corrrective measures. Hydrogen sulfide gas smells like - CORRECT ANSWER-rotten