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On a hot summer day, a student turns his fan on when he leaves his dorm room in the morning. The dorm is well insulated but not air conditioned, and all of the doors and windows are closed.
a. Draw a simple picture of this room after the student leaves it, showing all significant mass and energy flows into an out of the room.
b. When the student returns to his room in the evening, will the room be warmer or cooler than the neigh boring rooms? Why?
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The total hot water flow rate is 10 gal/min which is equally divided among 16 plates. The average temperature of hot water is 80C. Calculate the pressure drop.
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the collecting panels of a solar boiler receive energy as heat at the rate of approximately 300 btuhr-ft2 of collecting
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