A 1.5-m long pipe with an inside diameter of 2.00 cm carries air at a rate of 0.015 kg/sec (P = 3.0 atm). Steam condenses on the outer surfac of the pipe which maintains the inside wall temperature at a nearly constant temperature of 121.1 °C. The air enters at 27.0 °C and exits at 48. °C. 15. Is the flow laminar, transition, or turbulent? a. Laminar b. Transition c. Turbulent d. Not enough data 16. What is the value Reynold's number? a. 50.259.49 b. 5377.1 c. 2303.54 d. 943.33 17. What is the approximate value of the Nusselt number? a. 235.33 b. 94.41 C. 12.23 d. 2.98 18. What is the value of the convective heat transfer coefficient? a. 317.70 W/m2.°C b. 127.46 W/m2.°C C. 16.51 W/m2.°C d. 4.02 W/m2.°C

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