Q. What is the uniform coefficient of resin?

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Q. What is the specific gravity of anion resin?

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Q. What is the surface area of the gel resin?

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Q. The breakthrough curves for ion exchange column and adsorption column are dissimilar.

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Q. The area ________ the breakthrough curve is equal to the maximum amount of ions removed by the column.

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Q. Macroporous resins are required for demineralisation.

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Q. What is the acceptable pressure drop at maximum flow rate?

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Q. What is the minimum flow rate for SAC resins?

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Q. What is the maximum silica content in treated water from a regeneration system?

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Q. The production run should be _______ the regeneration process.

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Q. What is the minimum flow rate for water treatment?

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Q. What is the maximum operating flow for mixed bed units?

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Q. Which is the year zeolite was used as ion exchange water softeners?

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Q. _________resins can neutralize strong bases.

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Q. Calculate the amount of resin required for the following information.

Cation Load: 10 ppm as CaCO₃
Capacity: 47 Kg/m³
Correction factor: 0.9
Flow rate: 135 m³/hr
Operation hours: 20 hrs

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Q. Calculate the amount of resin required for the following information.

Cation Load: 30 ppm as CaCO₃
Capacity: 47 Kg/m³
Correction factor: 0.9
Flow rate: 135 m³/hr
Operation hours: 20 hrs

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Q. Calculate the amount of resin required for the following information.

Cation Load: 80 ppm as CaCO₃
Capacity: 47 Kg/m³
Correction factor: 0.9
Flow rate: 135 m³/hr
Operation hours: 20 hrs

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Q. Calculate the amount of resin required for the following information.

Cation Load: 100 ppm as CaCO₃
Capacity: 57 Kg/m³
Correction factor: 0.9
Flow rate: 135 m³/hr
Operation hours: 20 hrs

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Q. Calculate the SAC resin required for the following data. It should be noted that prior to the SAC, a WAC system is present.

M Alkalinity: 100 ppm as CaCO₃
P Alkalinity: 100 ppm as CaCO₃
EMA: 50 ppm as CaCO₃
Capacity: 57 Kg/m³
Correction factor: 0.9
Flow rate: 135 m³/hr
Operation hours: 20 hrs

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Q. The treatment system consists of a WAC, SAC which is followed by a WBA and SBA. Calculate the amount of WBA resin required for the following data.

M Alkalinity: 100 ppm as CaCO₃
P Alkalinity: 100 ppm as CaCO₃
EMA: 25 ppm as CaCO₃
Capacity: 37 Kg/m³
Correction factor: 0.9
Flow rate: 135 m³/hr
Operation hours: 20 hrs

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