Which of the following is an example of suspended matter?
a) mud
b) sand
c) organic material
d) A and B
e) All of the above
Answer: E
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Power Engineering Chapter 66
- Demineralizer anion exchanger takes acid containing water and exchanges it with?
- Demineralizer salts in the cation exchanger are converted into __ and __.
- Demineralizer cation exchanger removes calcium, magnesium and __ cations.
- Demineralizers cation exchanger takes water containing salts and exchanges it with?
- Sodium chloride is also known as?
- When the zeolite material has given up all its Na cations, regeneration is done by filling it with a ___ solution.
- The zeolite is charged with a large amount of ?
- Lime-Soda Softeners use ___ to add to the water causing the scale-forming dissolved solids:
- In a cartridge filter, when the pressure drop between the inlet and outlet reaches a specified maximum valve, the cartridge must be?
- In a tubular filter-aid filter, when the filter starts to clog and requires backwashing, inlet and outlet valves are __ and the drain valve is __.
- In a tubular filter-aid filter, cylindrical tubes are covered by socks made of __ filter cloth?
- In a pressure filter, any suspended matter in the water will be trapped by ___ material?
- Dissolved solids cannot be removed by?
- Bicarbonates and sulphates are undesirable because they will cause?
- If sulphates of calcium and magnesium are not removed, they will cause?
- If bicarbonates are not removed before the water enters the boiler, they will cause?
- Coagulants added to water
- Filters are used
- The capacity of a sodium zeolite softener will drop due to zeolite attrition at about
- Zeolite of a sodium zeolite softener may be discharged to the sewer during the
- The regenerant used to regenerate a cation demineralizer is
- The chemical equation which represents the modification of bicarbonates in hard water by the use of a zeolite softener is
- The result of adding Al2 (SO4)3 to the raw water is
- Feedwater for a high pressure boiler should be
- Permanent hardness is caused by?