Stabilization Quiz 1) Is the following statement True or False ...
Stabilization Quiz 1) Is the following statement True or False ...
Stabilization Quiz 1) Is the following statement True or False ...
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<strong>Stabilization</strong> <strong>Quiz</strong>1) <strong>Is</strong> <strong>the</strong> <strong>following</strong> <strong>statement</strong> <strong>True</strong> <strong>or</strong> <strong>False</strong>? <strong>Stabilization</strong> is <strong>the</strong> process by which c<strong>or</strong>rosion problems <strong>or</strong>problems of deposits of scale on pipes and plumbing are reduced <strong>or</strong> eliminated.a. <strong>True</strong>b. <strong>False</strong>2) The term pH is an expression of <strong>the</strong> intensity of <strong>the</strong> __________ condition of a liquid.a. basic <strong>or</strong> acidb. chl<strong>or</strong>inec. contaminated. scaling3) Stable water has a pH of:a. 7.0b. 6.0c. 8.0d. 7.54) Water with a pH value higher than 7.0 is considered to be acidic.a. <strong>False</strong>b. <strong>True</strong>5) <strong>Is</strong> <strong>the</strong> <strong>following</strong> <strong>statement</strong> <strong>True</strong> <strong>or</strong> <strong>False</strong>? Water with a pH value lower than 7.0 is considered to beacidic.a. <strong>True</strong>b. <strong>False</strong>6) __________ water can result in complaints of "red" <strong>or</strong> "black" water.a. C<strong>or</strong>rosiveb. Carbonatedc. Potabled. Turbid7) Water is considered stable when it is saturated with ___________.a. calcium carbonateb. calcium chl<strong>or</strong>idec. hydrogen sulfided. hydrogen carbonate8) <strong>Is</strong> <strong>the</strong> <strong>following</strong> <strong>statement</strong> <strong>True</strong> <strong>or</strong> <strong>False</strong>? Raising <strong>the</strong> pH of water will decrease scale f<strong>or</strong>mation.a. <strong>False</strong>b. <strong>True</strong>9) The three basic methods of stabilization include all of <strong>the</strong> <strong>following</strong> EXCEPT:a. Aerationb. Orthophosphatesc. Protective coatingsd. pH adjustment10) <strong>Is</strong> <strong>the</strong> <strong>following</strong> <strong>statement</strong> <strong>True</strong> <strong>or</strong> <strong>False</strong>? It is possible to increase <strong>the</strong> pH of water by adding lime, sodaash, sodium bicarbonate, <strong>or</strong> caustic soda.a. <strong>True</strong>b. <strong>False</strong>
11) Which is not a c<strong>or</strong>rosion reduction strategy.a. Addition of Oxygenb. Removal of Carbon Dioxidec. PH adjustmentd. Deposition of protective coating such as sodium Silicate12) Cathodic Protection is always <strong>the</strong> best choice and preferred method of controlling chemical c<strong>or</strong>rosiona. <strong>True</strong>b. <strong>False</strong>13) The <strong>following</strong> metals are commonly used as expendable anodes in a Cathodic Protection system.a. Aluminumb. Magnesiumc. Copperd. Zinc14) The coating of metal surfaces to prevent c<strong>or</strong>rosion generally includes all but which of <strong>the</strong> <strong>following</strong>?a. Coal Tarb. Epoxy Resinc. In<strong>or</strong>ganic Zinc Silicate Paintd. Oil based paint containing high solids content15) The stabilization treatment required <strong>or</strong> most effective f<strong>or</strong> a particular water system depends on all butwhich of <strong>the</strong> <strong>following</strong> fact<strong>or</strong>s:a. water clarityb. o<strong>the</strong>r treatmentc. condition of <strong>the</strong> distribution systemd. water quality16) <strong>Is</strong> <strong>the</strong> <strong>following</strong> <strong>statement</strong> <strong>True</strong> <strong>or</strong> <strong>False</strong>? Many of <strong>the</strong> compounds used in stabilization can behazardous if <strong>the</strong>y contact <strong>the</strong> skin <strong>or</strong> respirat<strong>or</strong>y tract.a. <strong>True</strong>b. <strong>False</strong>17) Which of <strong>the</strong>se is not an indicat<strong>or</strong> used to determine c<strong>or</strong>rosion protection potential of a water.a. Ryzner Indexb. Titration Indexc. Langlier Indexd. Enslow Indicat<strong>or</strong>18) Lead based coatings are used to provide higher levels of c<strong>or</strong>rosion protection in water systems wheregalvanic action is high.a. <strong>True</strong>b. <strong>False</strong>19) Which of <strong>the</strong> <strong>following</strong> is not a characteristic of a copper leaching problem?a. Bitter metallic tasteb. Green stains on plumbing fixturesc. Wilson’s Disease in severe casesd. Increased blood pressure and interference with gestational period
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