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  • Philippine Mechanical Code mentions the use of noise control on machines housed in industrial buildings for compliance to noise standards. In relation to this, answer the following questions: 
  • 1. What causes noise in machines?
  • 2. Give at least three (3) examples of engineering noise control measures for machines.
  • 3. What standard(s) in the Philippines defines acceptable noise levels from industrial buildings, and which government agencies set and regulate these standards?
  • 4. What is the difference between ambient noise standards and workplace noise standards?
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Answer rating: 100% (QA)

1The main sources of noise in electrical machines are time change of the electromagnetic fields nois... View the full answer