GATE Questions & Answers of Measurement of noise and control of noise pollution

What is the Weightage of Measurement of noise and control of noise pollution in GATE Exam?

Total 2 Questions have been asked from Measurement of noise and control of noise pollution topic of Noise Pollution subject in previous GATE papers. Average marks 2.00.

The equivalant sound power level (in dB) of the four sources with the noice levels of 60 dB, 69 dB, 70 dB and 79 dB is ____________

A noise meter located at a distance of 30 m from a point source recorded 74 dB. The reading at a distance of 60 m from the point source would be _________