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ESE_CO3_PART 1_QUIZ
ESE_CO3_PART 1_QUIZ REVIEWER
| Question | Answer |
|---|---|
| removes dust and particles from dirty air using a combination of forces, such as centrifugal, gravitational, and inertial | Inertial Separators / Cyclone |
| Baghouse / Bagfilters physical separation process in which a gas containing solids fabric medium passes through a porous medium that retains the solids | Fabric Filters |
| is a mechanical system that removes pollutants from an air stream by bringing it in contact with a scrubbing liquid, most often water. | Wet Scrubbers |
| Uses electrostatic forces to separate dust particles from exhaust gases. It is used for high-efficiency, dry collection of particles from hot gas streams and is usually constructed of alternating plates and wires. | Electrostatic Precipitators |
| s a small air pollution control device used to collect dust right where it is made, like at a single machine or workstation. It's like having a mini vacuum cleaner that catches dust before it spreads. | Dust Unit Collectors |
| Types of wastewater: : kitchen, bathroom, laundry | gray |
| feces and urine | black |
| urine only | yellow |
| feces only | brown |
| Contaminated water that is unfit for human consumption | Unsafe Drinking Water |
| is the process of adding special chemicals (called coagulants, like alum) to water | Coagulation |
| is the process of gently mixing the water to help the micro- flocs form bigger clumps, called "flocs." | Flocculation |
| the water is left undisturbed in a large tank, giving these heavy flocs take time to sink to the bottom because of gravity. | Sedimentation |
| is the process of removing tiny particles from water by passing it through a filter, usually made of sand, gravel, or other special materials. | Filtration |
| is the process of killing or inactivating harmful microorganisms (like bacteria, viruses, and parasites) in water to make it safe to drink. Usually done by adding chlorine to water (residual chlorine) Ozone, UV, boiling (house-level) | Disinfection |
| Purpose: To remove big objects that can clog or damage equipment. Description: Wastewater enters the treatment plant and passes through screens and grit chambers. These remove sticks, plastics, sand, and stones. | 1. Preliminary Treatment |
| Purpose: To separate solid waste from liquid waste. Description: The water sits in large tanks, where heavy solids settle at the bottom (called sludge), and lighter materials like oil and grease float to the top. | 2. Primary Treatment |
| Purpose: To break down organic matter using bacteria. Description: The water goes into aeration tanks, where oxygen is added to help bacteria grow. These microbes consume the remaining organic waste | 3. Secondary Treatment |
| Purpose: To further improve water quality and remove nutrients or harmful chemicals. Description: This step may involve filtration, chemical treatment, or biological processes to remove nitrogen, phosphorus, and any remaining contaminants | 4. Tertiary Treatment (Optional) |
| Purpose: To destroy any remaining harmful bacteria or viruses. Description: The cleaned water is treated with chlorine, ozone, or ultraviolet (UV) light to disinfect it before it’s released into rivers, lakes, or reused. | 5. Disinfection (CONVENTIONAL APPROACH) |
| Purpose: To safely process the solids removed from earlier steps. Description: The sludge is thickened, digested by bacteria, and sometimes dried. It can be used as fertilizer, buried in landfills, or turned into energy. | 6. Sludge Treatment (Extra) |
| Also called a soundwall, noise wall, sound berm, noise mound, sound barrier, or acoustical barrier An exterior structure designed to protect inhabitants of sensitive land use areas from noise pollution | NOISE BARRIER |
| is a soil conservation practice where farmers plow, plant, and cultivate crops following the natural contours or curves of the land, instead of in straight lines up and down slopes. | Contour cultivation (or contour farming) |
| Farmers plant strips of erosion- prone crops (like corn or cotton) alongside erosion- resistant crops (like grass, legumes, or cover crops). | STRIP CROPPING: |
| is a natural and eco-friendly method of cleaning up polluted environments using plants. | Phytoremediation |
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