Q. _______ is suited for open channel monitoring applications.

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Q. pH sensor must remain clean for an accurate reading.

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Q. Galvanizing is the process of applying _______ over steel.

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Q. What is the reduced potential required to prevent the corrosion of steel?

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Q. Which ions are used as cathodic inhibitors?

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Q. ______ are classified as dangerous inhibitors.

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Q. What is pH range for oxygen removal?

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Q. Stainless steel is protected by _______

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Q. Increase in __________ concentration usually gives an increase in corrosion rate.

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Q. What is pH below which pH increases?

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Q. The corroding piece of metal is described as a “mixed electrode”.

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Q. A loss in mechanical strength is due to ______

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Q. Which is the most widely used material in water conduits?

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Q. Corrosion is the deterioration of materials by chemical interaction with their environment.

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Q. What is the percentage of the world lacking access to toilets?

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Q. Flush toilets are said to be more sanitary than squat toilets.

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Q. Flush toilets work well because of a part called “the S bend” or “the siphon”.

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Q. What is the maximum amount of water consumption per flush to certify toilets in North America?

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Q. What is the duration of use of each UDDT chamber?

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Q. What is the number of chambers in UDDT toilets?

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