¿En qué operación crees que la herramienta de corte debe soportar mayores temperaturas, en fresado o torneado? Razona la respuesta.

The y form of iron is known as: a) ferrite b) cementite c) perlite d) austenite

Heat is added to a piston-cylinder device filled with 2 kg of air to raise its temperature 400 c from an initial temperature of t1 27 cand pressure of pi 1 mpa. the process is isobaric process. find a)-the final pressure p2 b)-the heat transfer to the air.

Vibration monitoring this technique uses the noise or vibration created by mechanical equipment and in seme cases by plant systems to detemine their actual condtion. a)- true b)- false