Plumbing Level 3 Potable Water Supply
Treatment
By the end of each workday, all installed pipes are - Answer- Capped
The aprx amount of water that a gallon bleach at a solution 1 part per million - Answer- 10k gallon
In addition to disinfectant properties, chlorine will - Answer- Remove iron and sulfur
Most residential pasteurized systems disinfect water at a slow hourly rate typically at - Answer-
20/24 gallons per hour
Purpose of quartz sleeve in UV system - Answer- Prevents water from disinfecting chamber from
cooling the lamp
Mineral salts dissolve in water from coating inside pipes - Answer- Scale
Public water utilities use lime in treatment process to remove - Answer- Acidity
Water that contains a high percentage of minerals is called - Answer- Hard water
Once a water softener is completed, the unit must be - Answer- Disinfected
An activated carbon filter will remove - Answer- Organic chemicals
Fine solid particles can be precipitated out of water by adding - Answer- Alum
Water under high pressureis forced through a membrane in - Answer- Reverse osmosis system
The percentage of impurities removed from water by a distillation system is - Answer- 99%
Water harness is measured in - Answer- Grains per gallon
Calcium and magnesium salts in water are the cause of - Answer- Hardness
Staining of plumbing fixtures may be caused by iron concentration of - Answer- 0.3pppm
A red slippery jelly on the side of the toilet tank is caused by - Answer- Iron eating bacteria
Acidity in the water can react with copper pipes that are - Answer- Green
To treat the salty flavor in the water, the usual method is to - Answer- Install a reverse osmosis
system
Turbitity in water is commonly treated by using a - Answer- Diatomaceous earth filter
Treatment
By the end of each workday, all installed pipes are - Answer- Capped
The aprx amount of water that a gallon bleach at a solution 1 part per million - Answer- 10k gallon
In addition to disinfectant properties, chlorine will - Answer- Remove iron and sulfur
Most residential pasteurized systems disinfect water at a slow hourly rate typically at - Answer-
20/24 gallons per hour
Purpose of quartz sleeve in UV system - Answer- Prevents water from disinfecting chamber from
cooling the lamp
Mineral salts dissolve in water from coating inside pipes - Answer- Scale
Public water utilities use lime in treatment process to remove - Answer- Acidity
Water that contains a high percentage of minerals is called - Answer- Hard water
Once a water softener is completed, the unit must be - Answer- Disinfected
An activated carbon filter will remove - Answer- Organic chemicals
Fine solid particles can be precipitated out of water by adding - Answer- Alum
Water under high pressureis forced through a membrane in - Answer- Reverse osmosis system
The percentage of impurities removed from water by a distillation system is - Answer- 99%
Water harness is measured in - Answer- Grains per gallon
Calcium and magnesium salts in water are the cause of - Answer- Hardness
Staining of plumbing fixtures may be caused by iron concentration of - Answer- 0.3pppm
A red slippery jelly on the side of the toilet tank is caused by - Answer- Iron eating bacteria
Acidity in the water can react with copper pipes that are - Answer- Green
To treat the salty flavor in the water, the usual method is to - Answer- Install a reverse osmosis
system
Turbitity in water is commonly treated by using a - Answer- Diatomaceous earth filter
