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Refrigerant 134a enters a horizontal pipe operating at steady state at 50C, 450 kPa and a velocity of 45.6 m/s. At the exit, the

Refrigerant 134a enters a horizontal pipe operating at steady state at 50C, 450 kPa and a velocity of 45.6 m/s. At the exit, the temperature is 60 C and the pressure is 220 kPa. The pipe diameter is 0.06 m. Determine the rate of heat transfer between the pipe and its surroundings, in Watts.

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