Exam (elaborations)
Building Utilities Exam Questions with Complete Solutions
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Sound - Answer-"Is a physical wave, a mechanical vibration, a series of pressure variations, in an elastic medium " 20 to 20000 HZ - Answer-A healthy pair of human ear has a detection range of. 344 m/ sec. - Answer-Sound travels in air, at sea level, in ____ m/sec. Frequency - Answer-"The...
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