NivaarExam Prep

18-Env-A1 Principles of Environmental Engineering

Worked solutions to 12 past sittings (2013–2019), 84 questions. Pick a sitting, or start from a topic below.

Topics across the sittings

Topics that come up in more than one sitting, taken from the headings of our worked solutions. A topic counts once per sitting.

Questions by sitting

December 2019

  1. Question 1: Mass Balance, Contaminant Partitioning and Disinfection
  2. Question 2: Engineering Ethics and Water/Wastewater Source Design Principles
  3. Question 3: Particle Characteristics, Water Hardness and Thermal Pollution
  4. Question 4: Population, Economic Growth and Energy Use as Causes of Environmental Pollution
  5. Question 5: Environmental Impact Assessment, Sustainable Development and Life Cycle Analysis
  6. Question 6: Air Toxics Control, Solid Waste Management and Environmental Standards/Guidelines
  7. Question 7: Water Resource Management, Greenhouse Effect, Noise Pollution and Environmental Principles

December 2018

  1. Question 1: Mass Balance, Partitioning and Disinfection
  2. Question 2: Sustainable Development Ethics and Water/Wastewater Treatment
  3. Question 3: Particle Characteristics, Water Hardness and Thermal Pollution
  4. Question 4: Population, Urbanization and Energy Use as Causes of Environmental Pollution
  5. Question 5: Life Cycle Analysis, Ground-Level Ozone and Photochemical Smog
  6. Question 6: Air Toxics Control, Environmental Standards and Solid Waste Management
  7. Question 7: Water Resource Management, Greenhouse Effect and Noise Pollution

May 2018

  1. Question 1: Mass and Energy Balance, Mixture Properties and Ecological Engineering
  2. Question 2: Environmental Impact Assessment and Acid Precipitation
  3. Question 3: Environmental Ethics and Water Treatment
  4. Question 4: Particle Characteristics, Chemistry of Solutions and Thermal Pollution
  5. Question 5: Urbanization, Energy Use and Industrialization as Causes of Environmental Pollution
  6. Question 6: Air Toxics Control, Solid Waste Management and Environmental Quality Objectives
  7. Question 7: Water Resource Management, the Greenhouse Effect and Regulatory Principles

December 2017

  1. Question 1: Mass and Energy Balance, Contaminant Partitioning and Microbiology
  2. Question 2: Environmental Impact Assessment, Sustainable Development and Life Cycle Analysis
  3. Question 3: Environmental Ethics and Water and Wastewater Treatment
  4. Question 4: Particle Characteristics, Chemistry of Solutions and Thermal Pollution
  5. Question 5: Population, Economic Growth and Industrialization as Causes of Environmental Pollution
  6. Question 6: Air Pollution Control of Air Toxics, Solid Waste Management and Environmental Quality Objectives, Standards and Guidelines
  7. Question 7: Water Resource Management, Greenhouse Effect, Noise Pollution and Technical/Non-Technical Environmental Principles

May 2017

  1. Question 1: Mass and Energy Balance, Contaminant Partitioning and Microbiology
  2. Question 2: Environmental Ethics and Water/Wastewater Treatment
  3. Question 3: Particle Characteristics, Chemistry of Solutions and Thermal Pollution
  4. Question 4: Population, Economic Growth and Urbanization as Causes of Environmental Pollution
  5. Question 5: Sustainable Development and Life Cycle Analysis
  6. Question 6: Air Toxics Control, Environmental Quality Standards/Guidelines and Solid Waste Management
  7. Question 7: Water Resource Management, Greenhouse Effect, Noise Pollution and Environmental Principles

December 2016

  1. Question 1: Mass and Energy Balance, Contaminant Partitioning and Microbiology
  2. Question 2: Environmental Ethics and Water/Wastewater Treatment Operations
  3. Question 3: Population, Wastewater and Industrial Growth as Drivers of Environmental Pollution
  4. Question 4: Environmental Impact Assessment, Sustainable Development and Life Cycle Analysis
  5. Question 5: Air Toxics Control, Solid Waste Management and Environmental Standards
  6. Question 6: Water Resource Management, Greenhouse Effect, Noise Pollution and Technical/Non-Technical Principles
  7. Question 7: Particle Characteristics, Chemistry of Solutions and Thermal Pollution

May 2016

  1. Question 1: Mass and Energy Balance, Contaminant Partitioning and Microbiology
  2. Question 2: Environmental Ethics and Water/Wastewater Treatment Design
  3. Question 3: Particle Characteristics, Water Chemistry and Thermal Pollution
  4. Question 4: Environmental Impacts of Population, Economic Growth and Industrialization
  5. Question 5: Environmental Impact Assessment, Sustainable Development and Life Cycle Analysis
  6. Question 6: Air Pollution Control, Solid Waste Management and Environmental Controls
  7. Question 7: Water Resource Management, Greenhouse Effect, Noise Pollution and Environmental Principles

December 2015

  1. Question 1: Mass Balance, Disinfection, and Contaminant Partitioning
  2. Question 2: Environmental Impact Assessment, Sustainable Development, and Noise Pollution
  3. Question 3: Particle Characteristics, Wastewater Treatment, Greenhouse Effect, and Photochemical Smog
  4. Question 4: Population, Urbanization, and Energy Use Impacts
  5. Question 5: Air Toxics Control, Solid Waste Management, and Environmental Standards
  6. Question 6: Water Resource Management, Greenhouse Effect, and Noise Pollution
  7. Question 7: Engineering Ethics and Air Pollution Control Approaches

May 2015

  1. Question 1: Mass and Energy Balance, Contaminant Partitioning and Microbiology
  2. Question 2: Environmental Ethics and Water/Wastewater Treatment Design Principles
  3. Question 3: Particle Characteristics, Water Chemistry and Thermal Pollution
  4. Question 4: Population, Economic Growth and Industrialization as Causes of Pollution
  5. Question 5: Environmental Impact Assessment, Sustainable Development and Life Cycle Analysis
  6. Question 6: Air Toxics Control, Solid Waste Management and Environmental Guidelines vs. Standards
  7. Question 7: Water Resource Management, Greenhouse Effect, Noise Pollution and Technical/Non-Technical Principles

December 2014

  1. Question 1: Mass and Energy Balance, Contaminant Partitioning and Microbiology
  2. Question 2: Environmental Impact Assessment, Sustainable Development and Life Cycle Analysis
  3. Question 3: Particle Characteristics, Chemistry of Solutions and Thermal Pollution
  4. Question 4: Population Intensification and Industrialization as Causes of Environmental Pollution
  5. Question 5: Air Toxics Control, Solid Waste Management and Environmental Quality Objectives
  6. Question 6: Environmental Ethics and Water/Wastewater Treatment Design Principles
  7. Question 7: Water Resource Management, Greenhouse Effect and Noise Pollution

May 2014

  1. Question 1: Mass and Energy Balance, Contaminant Partitioning and Microbiology
  2. Question 2: Environmental Impact Assessment, Sustainable Development and Life Cycle Analysis
  3. Question 3: Particle Characteristics, Water Chemistry and Thermal Pollution
  4. Question 4: Population, Economic Growth and Industrialization as Causes of Pollution
  5. Question 5: Air Toxics Control and Solid Waste Management Planning
  6. Question 6: Environmental Ethics and Water/Wastewater Treatment Design Principles
  7. Question 7: Water Resource Management, Greenhouse Effect and Noise Pollution

December 2013

  1. Question 1: Industrialization, Population and Energy Use as Causes of Pollution
  2. Question 2: Material and Energy Balances — Steady and Unsteady State
  3. Question 3: Solid Waste Management, Environmental Impact Assessment and Ethics
  4. Question 4: Consulting Engineering Advice — Air Toxics, Sustainability and LCA
  5. Question 5: Contaminant Partitioning, Equilibrium Chemistry and Reactor Balances
  6. Question 6: Disinfection Kinetics, Ecology and Treatment Principles
  7. Question 7: Thermal Pollution, Noise, Greenhouse Gases and Acid Precipitation