Environmental Engineering interview questions
500 questions with model answers, in four levels. Start with Basic, check yourself honestly, then move up.
Basic questions
- Water Quality & Treatment (13)
- Wastewater Treatment (13)
- Air Pollution & Control (13)
- Solid & Hazardous Waste Management (13)
- Noise Pollution (12)
- Environmental Chemistry & Microbiology (13)
- Environmental Impact Assessment (12)
- Environmental Laws & Standards (13)
- Climate Change & GHG Accounting (12)
- Sustainability & Life Cycle Assessment (12)
- Groundwater & Soil Remediation (12)
- Environmental Monitoring & Modeling (12)
Intermediate questions
- Water Quality & Treatment (13)
- Wastewater Treatment (13)
- Air Pollution & Control (13)
- Solid & Hazardous Waste Management (13)
- Noise Pollution (12)
- Environmental Chemistry & Microbiology (13)
- Environmental Impact Assessment (12)
- Environmental Laws & Standards (13)
- Climate Change & GHG Accounting (12)
- Sustainability & Life Cycle Assessment (12)
- Groundwater & Soil Remediation (12)
- Environmental Monitoring & Modeling (12)
Advanced questions
- Water Quality & Treatment (11)
- Wastewater Treatment (11)
- Air Pollution & Control (11)
- Solid & Hazardous Waste Management (10)
- Noise Pollution (10)
- Environmental Chemistry & Microbiology (10)
- Environmental Impact Assessment (10)
- Environmental Laws & Standards (10)
- Climate Change & GHG Accounting (11)
- Sustainability & Life Cycle Assessment (10)
- Groundwater & Soil Remediation (11)
- Environmental Monitoring & Modeling (10)
Tricky questions
- Water Quality & Treatment (7)
- Wastewater Treatment (6)
- Air Pollution & Control (7)
- Solid & Hazardous Waste Management (6)
- Noise Pollution (6)
- Environmental Chemistry & Microbiology (6)
- Environmental Impact Assessment (6)
- Environmental Laws & Standards (6)
- Climate Change & GHG Accounting (7)
- Sustainability & Life Cycle Assessment (6)
- Groundwater & Soil Remediation (6)
- Environmental Monitoring & Modeling (6)
Sample questions
- What is potable water?
- What are typical uses of treated wastewater?
- What is vermicomposting?
- How do CFCs deplete stratospheric ozone?
- What was the Kyoto Protocol?
- What is ESG?
- What is the chemistry of alum coagulation?
- What is the typical sludge treatment train?
- What criteria are used to select a landfill site?
- What were the Minamata and Itai-itai diseases?
- What is Zero Liquid Discharge (ZLD)?
- What is industrial symbiosis?
- Size a circular clarifier for 10 MLD at an overflow rate of 30 m³/m²·d and 3 m depth.
- An ESP has collection area 5000 m², gas flow 250 m³/s and drift velocity 0.1 m/s. Find efficiency and the area needed for 99%.
- Why do small openings ruin an acoustic enclosure?
- Why is the Vellore Citizens' Welfare Forum case (1996) important?
- How would you assess the sustainability of a wastewater treatment plant?
- "If water looks crystal clear, it is safe to drink." True?
- "Waste-to-energy electricity is fully renewable." True?
- "Is the greenhouse effect bad?"