Environmental Science and Engineering ENS 233

Questions and Answers

What is the primary goal of the Ecological Solid Waste Management Act of 2000?

To establish hazardous waste facilities

To promote commercial waste management

To eliminate all types of waste

To achieve 25% waste reduction (correct)

Which of the following principles is emphasized by the Ecological Solid Waste Management Act?

3Rs: reduce, reuse, and recycling (correct)

Development of new waste treatment technologies

Landfill expansion to accommodate waste

Incineration as a primary waste disposal method

Who is mandated to implement the integrated solid waste management plans according to the Act?

Local government units (LGUs) (correct)

Private corporations only

National government only

International environmental organizations

The Ecological Solid Waste Management Act aims to minimize reliance on which of the following practices?

Disposal of waste in open dumps Signup and view all the answers

Which of the following is NOT a focus of the Ecological Solid Waste Management Act?

Setting up incineration plants Signup and view all the answers

What happens when gases mix with the air?

They contaminate the air, leading to poor quality. Signup and view all the answers

What immediate action do people often take in response to poor air quality?

They seek solutions to improve air quality. Signup and view all the answers

What is the primary purpose of establishing air quality goals?

To prevent toxic air from being inhaled. Signup and view all the answers

What is necessary after identifying air quality goals?

Create laws and regulations to achieve those goals. Signup and view all the answers

How can the effectiveness of laws and regulations be achieved?

Through rigorous enforcement and action. Signup and view all the answers

What is the impact of better waste management on the environment?

It reduces pollution and provides economic benefits. Signup and view all the answers

What is one reason air resource management programs are initiated?

To manage increasing waste generation and its effects. Signup and view all the answers

What stage begins the solid waste management process?

Waste generation Signup and view all the answers

What are the two major sources of water?

Surface Water and Groundwater Signup and view all the answers

What is the primary focus of environmental engineering?

To protect human health and the natural environment Signup and view all the answers

Why is it important to estimate average daily water consumption?

To assess the water source's ability to meet demands Signup and view all the answers

Which factor is NOT mentioned as influencing per capita water consumption?

Population Density Signup and view all the answers

Which term was originally used to describe the field now known as environmental engineering?

Sanitary Engineering Signup and view all the answers

What has driven the expansion of environmental engineering since the mid-1960s?

Legislation and growing environmental awareness Signup and view all the answers

What is the purpose of a wastewater treatment plant?

To remove contaminants from wastewater Signup and view all the answers

What is the primary source of waste according to the content?

Human activities Signup and view all the answers

Which of the following is NOT considered an important project in environmental engineering?

Urban Planning Signup and view all the answers

What do water treatment systems primarily aim to achieve?

Prevent contamination and ensure water quality Signup and view all the answers

What effect do liquid and solid waste have on air quality?

They emit harmful gases that affect air quality Signup and view all the answers

Which process is emphasized to reduce per capita water consumption?

Regular leak inspections Signup and view all the answers

Which of the following describes an aspect of air pollution control in environmental engineering?

Reducing emissions from factories and vehicles Signup and view all the answers

What is the main goal of air resource management?

To balance cost and benefit for air quality Signup and view all the answers

Which of the following best defines the current scope of environmental engineering?

Integration of multidisciplinary solutions for sustainability Signup and view all the answers

What is one of the primary challenges that environmental engineers address?

Addressing resource depletion Signup and view all the answers

What is the primary purpose of environmental protection laws?

To safeguard the environment and public health Signup and view all the answers

Air quality standards regulate pollutants to improve which environmental aspect?

Air quality Signup and view all the answers

What is a key objective of pollution control regulations?

To control release of harmful substances Signup and view all the answers

Why is chemical and toxic substance control regarded as critical?

It ensures safety and public health. Signup and view all the answers

Which of the following is NOT a focus of waste management regulations?

Increased waste production Signup and view all the answers

Natural resource management laws aim to prevent which issue?

Overexploitation of natural resources Signup and view all the answers

What health issues can exposure to toxic chemicals increase the risk of?

Respiratory effects and cancer Signup and view all the answers

Which method is emphasized in pollution prevention strategies?

Modification of production processes Signup and view all the answers

Study Notes

Introduction to Environmental Engineering

Environmental engineering focuses on protecting human health and the natural environment through sustainable solutions addressing pollution, waste, and resource depletion.
Evolved from "Sanitary Engineering" in the mid-1960s to encompass broader issues like climate change and ecosystem protection.
Integrates multidisciplinary approaches to ensure human health and environmental sustainability.

Important Projects of Environmental Engineers

Water Treatment Systems: Design systems for treating drinking water, wastewater, and stormwater to ensure safe water quality.
Air Pollution Control: Develop technologies to reduce emissions from various sources, including factories and vehicles.
Solid Waste Management: Create efficient systems for the collection, treatment, recycling, and disposal of waste materials.

Major Sources of Water

Surface Water: Obtained from streams, lakes, and rivers.
Groundwater: Accessed through wells.

Importance of Estimating Water Consumption

Assess the capability of water sources to meet demand during low flow periods.
Determine peak demand rates for proper plumbing and storage needs.

Factors Influencing Per Capita Water Consumption

Industry activities and their demand for water.
Water pricing strategies.
System management practices, including effective water metering to encourage conservation.

Wastewater Disposal Subsystem

Wastewater Treatment Plants are designed to remove contaminants, ensuring safe discharge or reuse of treated water.
Proper disposal of human waste is crucial to prevent contamination of drinking water and related health risks.

Air Resource Management

Aims to balance costs and benefits to achieve desired air quality.
The cycle of waste management emphasizes the interconnectedness of waste generation, air quality, environmental impacts, and regulatory frameworks.

Steps in Air Quality Management

Identify sources of waste generated by human activities.
Recognize various types of waste, including liquid and solid, and their impact on air quality.
Establish air quality goals and develop laws to achieve these objectives, followed by enforcement and community engagement.

Solid Waste Management Process

Starts with waste generation, emphasizing the need for responsible management.
Involves comprehensive environmental legislation to safeguard public health and environmental integrity.

Key Environmental Legislation Areas

Environmental Protection Laws: Focus on air and water quality and soil protection.
Pollution Control Regulations: Aim to limit harmful substance release into the environment.
Chemical and Toxic Substance Control: Minimize harmful chemical exposure to protect public health and ecosystems.
Waste Management Regulations: Ensure proper handling and disposal of waste, emphasizing recycling and reduction.

Ecological Solid Waste Management Act of 2000

Encourages local government units to achieve a 25% waste reduction through integrated management plans based on reducing, reusing, and recycling.

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Description

This quiz covers the fundamental concepts of Environmental Engineering as part of ENS 233 at Negros Oriental State University. It is designed for BSCE-II students and touches upon critical topics essential for understanding environmental science in civil engineering.