What is the maximum pressure drop allowed

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Reference no: EM131241087

1. To cool a given room it is necessary to supply 4 f^t3 /s of air through an 8-in.-diameter pipe. Approximately how long is the entrance length in this pipe?

2. Water flows through a horizontal 1-mm-diameter tube to which are attached two pressure taps a distance 1 m apart. What is the maximum pressure drop allowed if the flow is to be laminar?

Reference no: EM131241087

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