Course: Vibration Question: A workshop technician used an Ingersoll Rand impact wrench to tighten and loosen tyre nut fo

[answerhappygod]

Course: Vibration
Question:
A workshop technician used an Ingersoll Rand impact wrench totighten and loosen tyre nut for an accumulation of 15 minutesper day. The hand arm vibration level meter indicates values of ax= 3 m/s2 , ay = 6 m/s2 and az = 7 m/s2 . Normal working hoursfor the technician are 8 hours per day.
(i) Calculate the vibration total value, ahv and techniciandaily vibration exposure, A(8).
(ii) Compare the technician daily vibration exposure withvibration A(8) limit values and give a recommendation.