What minimum radius of curvature may be designed for safe operation of vehicles at 70 mi/hr if the maximum rate of superelevation (e) is 6% and the maximum coefficient of side friction (f) is 0.10?

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]

How to increase the thermal officiency of an ideal simple rankino cycle? among these methods, which one is the best and why?

In general, how do thermosetting plastics compare to thermoplastics in mechanical and physical properties?