Grade 7 Exam > Grade 7 Questions > Wastewater is passed through _____ to remove ...
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Wastewater is passed through _____ to remove large objects like rags and sticks.
- a)Filtration process
- b)Grit and sand removal tank
- c)Bar screens
- d)Water clarifier
Correct answer is option 'C'. Can you explain this answer?
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Wastewater is passed through _____ to remove large objects like rags a...
Understanding Wastewater Treatment
Wastewater treatment is a crucial process that ensures the safe disposal or reuse of water that has been contaminated by human activity. One of the initial steps in this process involves removing large objects from the wastewater.
Role of Bar Screens
- Bar screens are designed specifically for this purpose.
- They are made up of parallel bars that allow water to flow through while capturing larger debris like rags, sticks, and plastics.
- By removing these large objects, bar screens help prevent damage to downstream equipment, such as pumps and pipes.
Process Overview
- When wastewater enters a treatment facility, it first passes through the bar screens.
- The captured debris is often collected and disposed of separately, ensuring that the treatment process can proceed efficiently.
- This step is essential because large items can disrupt the entire treatment process if not removed early.
Comparison with Other Options
- Filtration Process: This typically refers to removing smaller particles and contaminants after initial screenings.
- Grit and Sand Removal Tank: This is used for settling heavier particles, but it does not specifically target large objects.
- Water Clarifier: This is a later stage in treatment where suspended solids are settled out, not for removing large debris.
By using bar screens, wastewater treatment facilities can effectively protect equipment and enhance the overall efficiency of the treatment process.
Wastewater treatment is a crucial process that ensures the safe disposal or reuse of water that has been contaminated by human activity. One of the initial steps in this process involves removing large objects from the wastewater.
Role of Bar Screens
- Bar screens are designed specifically for this purpose.
- They are made up of parallel bars that allow water to flow through while capturing larger debris like rags, sticks, and plastics.
- By removing these large objects, bar screens help prevent damage to downstream equipment, such as pumps and pipes.
Process Overview
- When wastewater enters a treatment facility, it first passes through the bar screens.
- The captured debris is often collected and disposed of separately, ensuring that the treatment process can proceed efficiently.
- This step is essential because large items can disrupt the entire treatment process if not removed early.
Comparison with Other Options
- Filtration Process: This typically refers to removing smaller particles and contaminants after initial screenings.
- Grit and Sand Removal Tank: This is used for settling heavier particles, but it does not specifically target large objects.
- Water Clarifier: This is a later stage in treatment where suspended solids are settled out, not for removing large debris.
By using bar screens, wastewater treatment facilities can effectively protect equipment and enhance the overall efficiency of the treatment process.
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Community Answer
Wastewater is passed through _____ to remove large objects like rags a...
Bar screens are used to remove large objects like rags, sticks, cans, and plastic packets from wastewater as it passes through them.
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Wastewater is passed through _____ to remove large objects like rags and sticks.a)Filtration processb)Grit and sand removal tankc)Bar screensd)Water clarifierCorrect answer is option 'C'. Can you explain this answer?
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