69 When disinfecting a water storage tank, should the water in the tank lewe culinary purposes a. Yes h. Yes, only after

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69 When Disinfecting A Water Storage Tank Should The Water In The Tank Lewe Culinary Purposes A Yes H Yes Only After 1 (32.36 KiB) Viewed 15 times

69 When disinfecting a water storage tank, should the water in the tank lewe culinary purposes a. Yes h. Yes, only after a bacteria test c. Yes, on a case by case basis d. Never 70. What usually accounts for most of the energy used in water supply when gravity cannot be used? a. Pumping b. Lighting c. Valves d Fuel for backhoes 71 An old pipe should be cleaned if it shows signs of: Tuberculation + Iron bacteria b. High bacteria + good Ph C. Smooth interior d. Large leaks 72 What will high pressure cause? a. Appliance failures b. Hot water tank failures c. Leaks d. All of the above 73. Large motors are operated usually at: a. 470/490 b. 440/480 v c. 410/430 v d. 400/420 v