Un motor eléctrico de cd tiene una potencia de 5 hp opera con una eficiencia de 75% ¿Cual es la potencia de entrada? Si el voltaje aplicado es de 220 v ¿Cual es la corriente de entrada?

When using the ohmmeter function of a digital multimeter, the leads are placed in what position relative to the component being tested? a. parallel b. control c. series d. line

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]

What is the major difference between thermoplastics and thermosetting plastics from the polymerization structure point of view?