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Questions and Answers
What is the measurement of detention time in activated carbon filtration called?
What is the measurement of detention time in activated carbon filtration called?
- Process velocity
- Filtration rate
- Empty bed contact time (correct)
- Molecular weight cutoff
What is a mixture of suspended particles in water known as?
What is a mixture of suspended particles in water known as?
- Saturated solution
- Homogeneous mixture
- Slurry (correct)
- Hydrophilic solution
What is PAC treatment commonly used to combat?
What is PAC treatment commonly used to combat?
- Pathogens
- Fluoride
- Phosphates
- Nitrates (correct)
Which material is commonly used as a filter medium for the removal of SOCs from drinking water?
Which material is commonly used as a filter medium for the removal of SOCs from drinking water?
What could be used as a source of carbon for manufacturing activated carbon?
What could be used as a source of carbon for manufacturing activated carbon?
What does the abbreviation GAC stand for in water treatment?
What does the abbreviation GAC stand for in water treatment?
Which of the following is a common means of transferring ozone gas into water?
Which of the following is a common means of transferring ozone gas into water?
What is the purpose of fluoride addition to drinking water?
What is the purpose of fluoride addition to drinking water?
What is the most common means to feed a liquid chemical solution into drinking water supplies?
What is the most common means to feed a liquid chemical solution into drinking water supplies?
What is the maximum concentration of a solute that can be dissolved within a solution known as?
What is the maximum concentration of a solute that can be dissolved within a solution known as?
Which of the following metal contaminants of drinking water could be present due to the effects of corrosion?
Which of the following metal contaminants of drinking water could be present due to the effects of corrosion?
Which of the following processes can cause the precipitation of dissolved manganese?
Which of the following processes can cause the precipitation of dissolved manganese?
What is the main concern with elevated levels of iron in drinking water?
What is the main concern with elevated levels of iron in drinking water?
Which of the following is the most likely result of raising the pH of water?
Which of the following is the most likely result of raising the pH of water?
Which of the following membrane processes will have the largest pore size?
Which of the following membrane processes will have the largest pore size?
Which of the following processes is capable of the direct removal of viruses without any coagulation/flocculation pretreatment?
Which of the following processes is capable of the direct removal of viruses without any coagulation/flocculation pretreatment?
Which of the following processes will use hollow fiber membranes?
Which of the following processes will use hollow fiber membranes?
Which of the following processes is capable of desalination?
Which of the following processes is capable of desalination?
What is the approximate reject rate for microfiltration and ultrafiltration?
What is the approximate reject rate for microfiltration and ultrafiltration?
Which of the following is a concern associated with hard water?
Which of the following is a concern associated with hard water?
Temporary hardness in water is also known as
Temporary hardness in water is also known as
Non-carbonate hardness is also known as
Non-carbonate hardness is also known as
