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  • 16-11-2022
  • Engineering
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An air tank of volume 3. 3 m3 i at 980 kPa and 20°C when it begin exhauting through a converging nozzle to ea-level condition. The throat area i 0. 75 cm2. Calculate the time to blow down to 500 kPa and the time when the nozzle ceae being choked

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