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An air-pressure signal at 9 bar and 30C is fed through a 6.0-mm-diameter line having a length of 1m, and is connected to a transducer

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An air-pressure signal at 9 bar and 30C is fed through a 6.0-mm-diameter line having a length of 1m, and is connected to a transducer volume of 15cm3. Calculate the natural frequency and damping ratio of this system. By how much will a pressure signal having a frequency one-half the natural frequency be attenuated? [8 marks]

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