Two weeks ago, I went to Rajasthan for official work. When I return back from Rajasthan, I didn't get the train ticket. So, I decided to travel by bus. The plan is that I have to take a bus from Kota to Indore , Indore to Bangalore and Bangalore to Chennai . Kota to Indore - 320 Kms Indore to Bangalore - 1500 kms Bangalore to Chennai - 350 kms From Kota to Indore, I took a normal AC private bus and from Indore to Bangalore, there is only one bus available which is a VOLVO Multiaxle Sleeper bus. I never traveled in VOLVO buses before that. So, I was in a hurry to travel by that bus. It was around 25 hours journey. The bus started at 2.00 PM from Indore. I noticed that noise coming inside the bus. Before that I thought, VOLVO buses won't give the noise inside the bus. I took my tool that is the measurement microphone which I always kept inside my bag Since I am an acoustics engineer. I took the reading of the spectrum of noise coming inside the bus. I noticed t...
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