Jake and Sarah have an assignment of writing the history of American independence as a team. They divided their work in half and decided to exchange and check their work for quality and grammatical errors. Jake found some factual errors in Sarah’s work. What are the steps that Jake needs to take to insert a comment? Press the Ctrl+Alt+N keys.
Place the cursor where he wants the comment to appear.
Write his comment in the comment box.

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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]