Question: SAE 30W oil at 20°C flows through the 9-cm-diameter pipe in Fig. P4.87 at an average velocity of 4.3 m/s (a) Verify that the flow

SAE 30W oil at 20°C flows through the 9-cm-diameter pipe in Fig. P4.87 at an average velocity of 4.3 m/s
(a) Verify that the flow is laminar.
(b) Determine the volume flow rate in m3/h. (c) Calculate the expected reading h of the mercury manometer, in cm.

D 9 cm V SAE 30W Oil Hg 2.5 m

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