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Steam enters a long, horizontal pipe with an inlet diameter of d1 = 16 cm at...

Steam enters a long, horizontal pipe with an inlet diameter of d1 = 16 cm at 2 MPa and 300 degrees Celsius with a velocity of 2.5 m/s. Farther downstream, the conditions are 1.8 MPa and 250 degrees Celsius, and the diameter is d2 = 14 cm. Determine (a) the mass flow rate of the steam and (b) the rate of heat transfer.
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