question The following data describe the magnetization of a silicon steel. Calculate the initial permeability and maximum permeability. H (A/m) B(Tesla) 0 0 20 0.08 40 0.30 60 0.65 80 0.85 100 0.95 150 1.10 250 1.25

Which of the following controllers anticipates the future from the slope of errors over time? a)-proportional b)-on/off c)-integral d)-derivative.

Which one from below is not one of the reasons of planning failures? (clo3) a)-planner is careless. b-planner spend less time in the field but more time on the desk c)-planner is not qualified d)-planner does not have sufficient time to properly plan

What is creep? what is stress relaxation?