Waste Managements Flashcards
Which of the following is a primary goal of sustainable waste management?
A) Increasing landfill use
B) Maximizing recycling
C) Minimizing production waste
D) Lowering costs
Maximizing recycling
What does ‘waste hierarchy’ prioritize first for waste handling?
A) Disposal
B) Recycling
C) Waste prevention
D) Energy recovery
Waste prevention
Which of the following can be considered as ‘green waste’?
A) Hazardous waste
B) Plastic waste
C) Organic waste
D) Electronic waste
Organic waste
How does a ‘circular economy’ approach differ from a traditional waste management approach?
A) It eliminates waste entirely
B) It emphasizes reuse and recycling of materials
C) It focuses on landfill disposal
D) It reduces recycling costs
It emphasizes reuse and recycling of materials
What is the purpose of Extended Producer Responsibility (EPR) in waste management?
A) To shift disposal costs to consumers
B) To encourage manufacturers to design for easier recycling
C) To increase landfill taxes
D) To promote energy recovery from waste
To encourage manufacturers to design for easier recycling
What kind of waste is primarily produced in construction and demolition activities?
A) Organic waste
B) E-waste
C) Solid waste
D) Construction and demolition (C&D) waste
Construction and demolition (C&D) waste
Why is ‘source separation’ important in waste management?
A) It improves the efficiency of incineration
B) It increases landfill capacity
C) It helps reduce contamination of recyclables
D) It eliminates the need for recycling
It helps reduce contamination of recyclables
What is an example of ‘hazardous e-waste’?
A) Old plastic containers
B) Broken glass
C) Lead-acid batteries
D) Cardboard packaging
Lead-acid batteries
What is ‘vermicomposting’?
A) Using worms to compost organic waste
B) Decomposing food waste with bacteria
C) Using high heat to break down organic waste
D) Mixing organic and inorganic waste
Using worms to compost organic waste
Why is it beneficial to reduce the use of single-use plastics?
A) They are cost-effective
B) They reduce overall waste
C) They promote better recycling
D) They eliminate waste completely
They reduce overall waste
Which of the following describes ‘closed-loop recycling’?
A) Recycling to create similar products
B) Recycling without energy loss
C) Creating different products from waste
D) Selling waste directly to consumers
Recycling to create similar products
What are ‘organics’ in the context of waste management?
A) Paper and cardboard
B) Biodegradable plant and food waste
C) Plastic and metals
D) Hazardous waste
Biodegradable plant and food waste
What is the main purpose of a material recovery facility?
A) It stores waste temporarily
B) It separates recyclables from waste
C) It manages landfill operations
D) It converts waste into energy
It separates recyclables from waste
Which waste treatment process uses microorganisms to break down organic material without oxygen?
A) Composting
B) Aerobic digestion
C) Incineration
D) Anaerobic digestion
Anaerobic digestion
What is a common byproduct of anaerobic digestion?
A) Oxygen
B) Methane
C) Carbon dioxide
D) Nitrogen
Methane
What does ‘landfill diversion rate’ measure?
A) Amount of waste recycled
B) Percentage of waste diverted from landfills
C) Amount of waste incinerated
D) Total waste disposed in landfills
Percentage of waste diverted from landfills
What is the purpose of a waste audit?
A) To measure the size of landfills
B) To assess types and volumes of waste generated
C) To record population statistics
D) To evaluate household income
To assess types and volumes of waste generated
How do landfill liners help in environmental protection?
A) They absorb leachate
B) They prevent contamination of soil and water
C) They make waste disposal faster
D) They increase landfill capacity
They prevent contamination of soil and water
What is the primary environmental concern with ‘open dumps’?
A) Pollution of soil and water
B) Greenhouse gas emissions
C) Increasing biodiversity
D) Costly to maintain
Pollution of soil and water
What type of waste includes household items like old batteries, fluorescent bulbs, and paint cans?
A) E-waste
B) Hazardous household waste
C) Food waste
D) Green waste
Hazardous household waste
What does ‘upcycling’ mean in waste management?
A) Reusing products without changing their form
B) Turning waste into new, high-value products
C) Decomposing waste for soil enrichment
D) Burning waste for energy
Turning waste into new, high-value products
What is ‘compost tea’, and how is it used in waste management?
A) A liquid fertilizer produced from compost
B) A tea substitute made from plants
C) Liquid extracted from e-waste
D) Wastewater treatment method
A liquid fertilizer produced from compost
Which plastic number represents the easiest type to recycle?
A) Plastic #1 (PET)
B) Plastic #3 (PVC)
C) Plastic #5 (PP)
D) Plastic #6 (PS)
Plastic #1 (PET)
Which process is commonly used for ‘dewatering’ sludge in wastewater treatment?
A) Aeration
B) Incineration
C) Anaerobic digestion
D) Filter press
Filter press
