Find the heat transfer from the refrigerant per unit mass

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Reference no: EM131276387

1. Steam enters a long, horizontal pipe with an inlet diameter of D1 = 16 cm at 2 MPa and 300°C with a velocity of 2.5 m/s. Farther downstream, the conditions are 1.8 MPa and 250°C, and the diameter is D2 = 14 cm. Determine

(a) the mass flow rate of the steam and

(b) the rate of heat transfer.

2. Refrigerant-134a enters the condenser of a refrigerator at 900 kPa and 60°C, and leaves as a saturated liquid at the same pressure. Determine the heat transfer from the refrigerant per unit mass.

Reference no: EM131276387

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