CAOHC: Workplace Noise: Measurement and Controls Exam With Complete Solutions

CAOHC: Workplace Noise: Measurement and Controls Exam With Complete Solutions (3) What are the 3 charactersictics of sound? - answer1. Frequency 2. Amplitude 3. Temporal/Time What is the unit of measurement for frequency? - answerHertz or Kilohertz (Hz or kHz) This is referred as pitch? - answerFrequency (2) What are the descriptions of frequency? - answer1. high-pitched 2. low-pitch This is a description of frequency when it's like a train whistle. - answerhigh-pitched sound This is a description of frequency when it's like a rumble of thunder. - answerlow-pitched sound What is the description of sound when the frequency greater than 2000 Hz? - answerhigh- pitched sound What is the description of sound when the frequency less than 500Hz? - answerlow-pitched sound This is referred as intensity or loudness? - answerAmplitude What is the unit of measurement for Amplutude? - answerdecibels (dB) This can be described as "The louder the sound, the higher the decibel number". - answerAmplitude What is this that explains how sound changes over a period of time? - answerTemporal/Time (6) What are the technical terms listed used for Temporal/Time? - answer1. Continuous 2. Steady/State 3. Intermitent 4. Varying 5. Impact 6. Impulse What is this that explains amplitude like a jack hammer? - answerIntermittent sound This term in Temporal/Time is described as START STOP START - answerIntermittent sound What is this that explains temporal/time like grinding? - answerVarying sound What is the change in amplitude over time? - answerVarying sound What is this that explains sound like a pile driver? - answerImpact or impulse sound This is the sound that are intense but are short in duration lasting less than one second. - answerImpact or impulse sou