(Answered) A liquid flows through a 2-cm-diameter pipe at a rate of 20

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A liquid flows through a 2-cm-diameter pipe at a rate of 20 L every minute. Assume a laminar flow and estimate the pressure drop over 20 m of length in the horizontal pipe for

(a) water at 40-C,

(b) SAE-10 oil at 20-C, and

Decide if a laminar flow is a reasonable assumption.

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