Q. The ions with opposite charge can be exchanged.

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Q. While designing the demineralisation plant what is considered as the weak acidic cation load?

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Q. While designing the demineralisation plant what is considered as the strong acidic cation load?

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Q. While designing the demineralisation plant what is considered as the strong basic anion load?

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Q. While designing the demineralisation plant what is considered as the weak basic anion load?

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Q. When is strong basic anion not necessary?

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Q. When the hardness and alkalinity are around 30% what should be used?

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Q. In case along with silica, there is high content in sulphide and chloride what should be used?

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Q. What is the preferred regenerant in case of cation exchanger?

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Q. What is the preferred regenerant in case of anion exchanger?

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Q. For obtaining Silica<5 ppm which of these should be utilized?

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Q. Amberjet 4400 has a total capacity of ________ in the chlorine form.

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Q. What is the percentage of swelling between the chlorine and the hydroxide forms?

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Q. The number of active groups in a resin sample fluctuates.

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Q. ______ is the value of the sieve opening through which exactly 50 % of the resin volume passes.

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Q. Mean diameter is also called as ______

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Q. What is the percentage of resin volume considered for the mean diameter?

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Q. What is the percentage of resin sample that is considered for effective size?

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Q. Total capacity is the number of exchangeable bi-valent ions.

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Q. ______ is the number of sites where exchange actually takes place during one cycle.

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