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UPSC 1995: Consider the table given below providing details of traffic volume per hour for four locations (showing total traffic volume, % of heavy vehicles, average noise level in dB(A) and noise-pollution level in dB(A)). When the total traffic volume is the same, the factor(s) which affect(s) the noise-pollution level is/are
(a)% of heavy vehicles
(b)noise-pollution level and average noise level
(c)average noise level and % of heavy vehicles
(d)indeterminable on the basis of details given
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Not attemptedCorrect Answer: (a) % of heavy vehicles
Comparing locations I and III (identical total traffic and identical average noise level), the location with the higher percentage of heavy vehicles shows the higher noise-pollution level, isolating ‘% of heavy vehicles’ as the determining factor. Average noise level is already held constant, so option (a) alone fits. ([licchavilyceum.com](https://licchavilyceum.com/upsc-civil-services-prelims-1995-solved-question-paper/?utm_source=openai))
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Frequently Asked Questions
What is the correct answer to this UPSC 1995 Environment & Ecology question?▼
The correct answer is option (a): % of heavy vehicles. Watch the detailed video explanation in our Sherlocking Prelims course on UnlockIAS.
Which year was this Pollution & Waste Management question asked in UPSC Prelims?▼
This question was asked in UPSC CSE Prelims 1995, GS Paper 1, as Question 145. It falls under Environment & Ecology > Pollution & Waste Management.
What is the difficulty level of this UPSC question?▼
This question is rated "moderate". It requires sound conceptual understanding of the topic.
How many UPSC Prelims questions have been asked from Pollution & Waste Management?▼
UPSC has asked 38 questions from Pollution & Waste Management (under Environment & Ecology) across multiple years. Visit the topic page to see the full list and year-wise trends.