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10 March, 13:59

Problem 2.1 (closed system) a piston-cylinder device contains 25 g of saturated water vapor that is maintained at a constant pressure of 300 kpa. a resistance heater within the cylinder is turned on and passes a current i) of 0.2 a for 5 min for a 120 v source. at the same time, a heat loss of 3.7 kj occurs. determine the final temperature of the steam.

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  1. 10 March, 15:01
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    The final temperature of steam in this cylinder is 200 (degrees) celcius. This is because at pressures 300 kPa and h2 = 2865.2kJ/kg from superheated water tables
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