The Baruch IT Department is looking to update their computer systems for associates in their NVC building. Originally, they were considering going with high-tech laptops made by a company in Germany. However, as they wanted a more local option to receive tech support, they went with a computer company based just a few blocks from the NY office. Which quality dimension were they going with?

Athin walled concentric tube exchanger is used to cool engine oil from 160°c to 60°c with water that is available at 25°c acting as a coolant. the oil and water flow rates are each at 2 kg/s, and the diameter of the inner tube is 0.5 m and the corresponding value of the overall heat transfer coefficient is 250 w/m2. oc. how long must the heat exchanger be to accomplish the desired cooling? cpwater=4.187 kj/kg-candcpengine el=2.035 kj/kg·°c, oil . 120]