Water distribution 2 Latest exam questions and answers
Water distribution 2 Latest exam questions and answers Plastic - CORRECT ANSWER-Most resistant to corrosion Chlorine gas - CORRECT ANSWER-heavier than air, extremely toxic, very corrosive to damp atmospheres Centrifugal pump - CORRECT ANSWER-Most common pump, used for high flow, and low pressure applications booster pumps Positive displacement pump - CORRECT ANSWER-For low flow, high pressure applications. Chemical feed pumps are this type Drawdown - CORRECT ANSWER-The difference in water levels from the point where the pump starts and stops. DC current - CORRECT ANSWER-Electric current used for cathodic protection. Suction head - CORRECT ANSWER-Vertical distance from the surface of water supply to the centerline of the pump Pathogenic bacteria - CORRECT ANSWER-Salmonella, shigella, bacillus, typhoid fever, cholera
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