Question: Two oil tanks are connected by two 9-m-long pipes, as in Fig. P6.30. Pipe 1 is 5 cm in diameter and is 6 m

Two oil tanks are connected by two 9-m-long pipes, as in Fig.

Two oil tanks are connected by two 9-m-long pipes, as in Fig. P6.30. Pipe 1 is 5 cm in diameter and is 6 m higher than pipe 2. It is found that the flow rate in pipe 2 is twice as large as the flow in pipe 1. (a) What is the diameter of pipe 2? (b) Are both pipe flows laminar? (c) What is the flow rate in pipe 2 (m/s)? Neglect miner losses. - 22 m SAE 30 W oil at 20 C P6.30 D - 5 cm D L-9m 26 = 15 m 6 m

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