Name three sources of surface water
- Rivers, lakes and streams
- Rivers, lakes and wells
- Streams, rivers and bore holes
- Reservoirs, rivers and towns water
What problems will Iron (Fe) and Manganese (Mn) cause in the mill
- Corrosion
- Shade problems in the sheet
- Poor sheet tensile
- Increased growth of bactreia
What are the most likely water conntaminants to be found in water that passes through a mining area?
- Iron and manganese
- Suspended solids
- Bacteria
- Carbon Dioxide
Rotting vegetation results in the production of which gas in water?
- Methane
- Carbon Dioxide
- Oxygen
- Nitrogen
What sheet problem would be caused by small suspended solids?
- Poor optical properties
- An outbreak of slime
- Variable porosity
- Poor strength properties
Increased corrosion would be caused by which of the following two gasses?
- Oxygen and Methane
- Oxygen and Carbon Dioxide
- Methane and Carbon Dioxide
- Methane and Nitrogen
The presence of chloride ions in the water will have which effect?
- Increased bacteria
- Faster refining
- Change in the shade of the sheet
- Increased corrosion
The size of settleing tanks is governed by whos Law?
- Stoke
- Hook
- Fleming
- Newton
A mill that produces no liquid effluent is known as what type of mill?
- Open
- Internal
- Configured
- Closed
How would you remove temporary hardness in water
- Freeze it
- Boil it
- Add salt
- Filter it