This set of Basic Civil Engineering Questions and Answers for Aptitude test focuses on “Impact Assessment”.
1. How many types of impact assessments are there?
Explanation: The four key types are global assessments, policy impact assessment, strategic environmental assessment and environmental impact assessment.
2. Environmental impacts can of _________ types
Explanation: They may be primary or direct and secondary or indirect. The primary impacts are the first round impacts like pollution, displacement of people, etc. The ones that extend from these are secondary impacts.
3. A short-term environmental impact assessment (EIA) has a time period of:
a) 2-5 years
b) 10-15 years
c) 5-10 years
d) 5-7 years
Explanation: EIA can be classified as short term and long term. 5-10 years time period denotes short term and above 50 years is long term.
4. EIAs commenced in the year:
Explanation: In 1960s, when environmental depletion was on a hike, to create awareness and check the environmental deterioration, EIAs were formulated.
5. How many stages are there in EIA?
Explanation: There are four stages or levels in EIA. They are local level, regional level, national level and global level.
6. Domestic demand for water can be assessed using:
Explanation: Water quality is an important part to be checked in EIA. It can be a domestic and commercial use of water. X stands for litres of water per capita, Y for number of people per household and Z for number of dwelling units.
7. _________ divided methodologies for EIA into ___________ categories.
a) Warner, 4
b) Bisset, 4
c) Warner, 5
d) Bisset, 5
Explanation: Any methodology can be used to perform EIA. Warner in 1973, divided available methodologies into 5 categories. They are ad hoc, overlay techniques, checklists, matrices and networks.
8. Water Act is a main law in action used for EIA formulated in __________
Explanation: The Ministry of Environment, Forest and Climate Change (MoEFCC) of India has some main laws in action for EIA. They are Water Act, Air Act, Wildlife Act, Environmental Act and Biological Diversity Act.
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