Knowing that the tension in clable ad is 405n, determine: (a)
the angle between cable ad and the boom ab, (b) the projection on
ab of the force exrted by cable ac at point a.

On a average work day more than work place firs are reorted

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 from the following instrument is commonly used to detect the high pitch butzing sound in bearings? [clo4] a)-digital ultrasonic meter b)-infrared camera c)-spectroscopic d)-vibrometer