{"id":89543,"date":"2025-06-01T10:06:40","date_gmt":"2025-06-01T10:06:40","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=89543"},"modified":"2025-06-01T10:06:40","modified_gmt":"2025-06-01T10:06:40","slug":"green-muffler-is","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/green-muffler-is\/","title":{"rendered":"Green Muffler is"},"content":{"rendered":"

Green Muffler is<\/p>\n

[amp_mcq option1=”a technology for reducing air pollution” option2=”a method of afforestation” option3=”plantation along roadsides to reduce noise pollution” option4=”a process of reducing vibration” correct=”option3″]<\/p>\n

\n
\n
This question was previously asked in<\/div>\n
UPSC CAPF – 2012<\/div>\n<\/div>\n
Download PDF<\/a>Attempt Online<\/a><\/div>\n<\/div>\n
\nThe correct answer is C) plantation along roadsides to reduce noise pollution.
\n<\/section>\n
\nThe term “Green Muffler” refers to the concept of using trees and shrubs planted in strategic locations, often in multiple rows along roads, highways, and industrial areas, to absorb and dissipate sound waves, thereby reducing noise pollution. The dense foliage acts as a barrier and a sound-absorbing medium.
\n<\/section>\n
\nWhile trees contribute to reducing air pollution (A) and are part of afforestation efforts (B), the specific term “Green Muffler” is predominantly associated with noise reduction through vegetation. It does not relate to reducing vibration (D).
\n<\/section>\n","protected":false},"excerpt":{"rendered":"

Green Muffler is [amp_mcq option1=”a technology for reducing air pollution” option2=”a method of afforestation” option3=”plantation along roadsides to reduce noise pollution” option4=”a process of reducing vibration” correct=”option3″] This question was previously asked in UPSC CAPF – 2012 Download PDFAttempt Online The correct answer is C) plantation along roadsides to reduce noise pollution. The term “Green … <\/p>\n

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