Waste Management Quiz

Question 1A town generates 800 tonnes of waste. Recycling collection receives 280 tonnes, of which 40 tonnes are rejected. Find usable material recovery as a percentage of waste generated, rounded to one decimal place.

Enter a number in %.

Answers within 0.05 % of the expected value are accepted.

Question 2Residents generate 630000 kg of waste in one year. The population is 9000. Find annual waste per person in kg/person, rounded to one decimal place.

Enter a number in kg/person.

Answers within 0.05 kg/person of the expected value are accepted.

Question 3A workshop can repair returned chairs or send their material for recycling. Which action sits higher in the waste hierarchy?

Repairing the chairs for another period of useGrinding the chairs into material feedstockBurning the chairs to recover useful heatBurying the chairs in an engineered landfill

Question 4Local collection vehicles unload into larger vehicles at a transfer station. What is the station’s main purpose?

Certifying the contents as recycled feedstockCombining loads for a more efficient longer tripConverting discarded material into new productsDestroying hazardous compounds by high-temperature treatment

Question 5Plastic fragments remain in a stream intended for composting. Which intervention addresses the source of the problem?

Increase the moisture until the plastic becomes organic matterClassify the finished mixture by its compost labelUse longer storage to convert synthetic fragments into nutrientsSeparate unsuitable material before biological treatment

Question 6An organic treatment vessel excludes oxygen and captures methane-rich gas. Which process does this describe?

Incineration of combustible material in excess airMechanical sorting by material size and densityAnaerobic digestion driven by decomposer communitiesAerobic composting supported by frequent turning

Question 7Electricity from a waste-to-energy plant supplies nearby users. What remains part of its management duties?

Converting the heat into a new stock of recyclable metalHandling ash and controlling stack emissionsReturning the original products unchanged to their ownersEnding disposal planning because combustion consumes the entire load

Question 8Inside a discarded electronic device is a damaged battery. Which route fits the material’s risks?

Compression with ordinary mixed waste to reduce its sizeMixing with food waste to dilute its hazardous contentOpen burning to separate the device’s useful componentsIdentified handling through a suitable specialist collection

Question 9At a border, a shipment is described as reusable equipment. What evidence is needed to assess its final destination?

Environmental performance proportional to the freight priceA foreign address proving that specialist capacity is availableCondition records and a traceable receiving operationThe declared category replacing inspection of the load

Question 10A proposed facility is close to housing already exposed to heavy truck traffic. What should the location assessment include?

Existing burdens alongside the additional movements and exposureEnvironmental effects confined to the land parcel inside the fenceThe facility’s name as the indicator of neighborhood riskThe nearest property price in place of traffic and exposure records

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Waste Management Quiz

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