Water flowing at a rate of 0.667 kg/s enters a countercurrent heat exchanger at 308 k and is heated by an oil stream entering at 383 k at a rate of 2.85 kg/s (c) = 1.89 kj/kg-k). the overall u = 300 w/m²-k and the area is 15.0 m². a. what is the heat transfer effectiveness? b. what is the heat transfer rate

hurricanes form when warm, moist air from the ocean surface quickly rises into the atmosphere and forms storm clouds and rain. when the clouds are formed, heat is released which warms the cool air in the upper regions of the atmosphere so that the cycle can continue. which two phases of the water cycle are repeated in this process?

metric time was an attempt to create a standard unit of time based off of 10, but it never took off an is not included in the metric system (si)