front 1 If the Total Hardness is greater than the total Alkalinity, the hardness is what? | back 1 Noncarbonate Hardness |
front 2 What Is a byproduct of Slaked Lime? | back 2 Heat |
front 3 What pretreatment in R.O. will NOT harm the membranes? | back 3 U.V. |
front 4 If you insert a Negatively charged probe into a water main what will happen to the water particles? | back 4 The Anodes will attract to it.... |
front 5 What is the most common cause of a Water Distribution Main failure? | back 5 Corrosion |
front 6 What is the best PH range in the coagulation process? | back 6 Depends on chemicals being used |
front 7 How is the 'C' factor calculated? | back 7 The inside rigidness of the pipe. |
front 8 Why are Tube Settlers highly recommended in the Sedimentation process? | back 8 Increase the capacity of removing sedimentation |
front 9 What is considered an advantage of using centrifuges to dewater sludge? | back 9 Sludge thickness can vary |
front 10 What is an Arch? | back 10 A bridge of caked chemical which prevent the chemical flow |
front 11 Annual quantity of water that can be taken from a water supply without depleting it? | back 11 Safe Yield |
front 12 What does Destratification accomplish? | back 12 Replaces D.O. |
front 13 A question on what tests would be beneficial to determine the best chemical dose to control a Taste and Odor problem? | back 13 A: Turbidity, Jar Test, Threshold Odor Number B: Chlorine Demand, Marble Test, Jar Test C: Chlorine, Turbidity, Jar ?????? |
front 14 When performing a Lab test the Titration is hard to view, what can be done to help gain results? | back 14 Add an Inhibitor Reagent |
front 15 What will insufficient backwashing of a filter will NOT cause? | back 15 Media Boils |
front 16 Which of these factors will influence corrosion? | back 16 I answered: A soft water with high D.O. (or something like this) |
front 17 When choosing source water, a high concern for treatment type is... | back 17 A: Fish life and Algae Life |
front 18 Have a filter that is (X) feet long, (X) feet wide, and (X) feet deep. If you pass water through it for 15 minutes at 15g/per min what is the total water flow? | back 18 83223 (x)x(x)x(x) = 1400 |
front 19 What test can be done to determine the correct chemical dosage? | back 19 Jar Test |