TECHNICIAN EXAM QUESTIONS AND
CORRECT ANSWERS (VERIFIED
ANSWERS) PLUS RATIONALES 2026
Q&A | INSTANT DOWNLOAD
1. What is the primary goal of waste management?
a) To eliminate all waste
b) To reduce, reuse, and recycle waste effectively
c) To burn all waste products
d) To increase landfill size
The goal of waste management is to minimize waste through reduction,
reuse, and recycling before considering disposal options.
2. Which of the following is considered hazardous waste?
a) Paper
b) Plastic bottles
c) Used motor oil
d) Food scraps
Used motor oil contains harmful chemicals that can contaminate soil and
water, classifying it as hazardous waste.
3. The Resource Conservation and Recovery Act (RCRA) regulates what?
a) Air pollution
b) Water quality
c) Hazardous waste management
d) Noise pollution
RCRA governs the generation, transportation, treatment, storage, and
disposal of hazardous waste.
4. What is the main function of a landfill liner?
a) To keep trash in place
, b) To prevent leachate from contaminating groundwater
c) To separate recyclable materials
d) To absorb odors
Landfill liners are designed to protect groundwater by preventing leachate
migration.
5. What does “leachate” refer to in waste management?
a) Rainwater collected on site
b) Liquid that drains or ‘leaches’ from a landfill
c) Chemical used to treat waste
d) Runoff from compost piles
Leachate is the contaminated liquid that percolates through waste
materials and must be treated properly.
6. Which waste management hierarchy ranks the most preferred to least
preferred method?
a) Reduce, Reuse, Recycle, Recover, Dispose
b) Recycle, Reuse, Reduce, Recover, Dispose
c) Dispose, Recycle, Reuse, Reduce
d) Reuse, Recycle, Reduce, Dispose
The hierarchy emphasizes prevention first, followed by reuse, recycling, and
disposal as a last resort.
7. What is composting primarily used for?
a) Metal waste
b) Plastic recycling
c) Organic waste decomposition
d) Hazardous waste disposal
Composting is a biological process that breaks down organic materials into
nutrient-rich soil.
8. What is the main environmental risk of improper hazardous waste
disposal?
a) Air quality improvement
b) Soil and groundwater contamination
c) Faster waste decomposition
d) Land use optimization
, Improper disposal can lead to the contamination of vital soil and water
resources.
9. What is the main advantage of waste incineration?
a) No emissions
b) Total waste elimination
c) Volume reduction and energy recovery
d) Creates reusable ash
Incineration reduces waste volume and can generate energy through heat
recovery.
10.What type of waste is generated from hospitals and clinics?
a) Biomedical waste
b) Construction debris
c) Electronic waste
d) Agricultural waste
Biomedical waste includes sharps, pharmaceuticals, and contaminated
materials from healthcare facilities.
11.Which agency enforces federal waste management regulations in the U.S.?
a) OSHA
b) CDC
c) EPA
d) FDA
The Environmental Protection Agency (EPA) enforces national waste
management laws and regulations.
12.What does MSW stand for in waste management?
a) Managed Soil Waste
b) Material Storage Waste
c) Municipal Solid Waste
d) Manufactured System Waste
MSW includes everyday household and commercial waste collected by
municipalities.
13.Which type of landfill is designed for hazardous waste?
a) Industrial landfill
b) Secure landfill