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A workshop technician used an Ingersoll Rand impact wrench to tighten and loosen tyre nut for an accumulation of 15 minutes per day. The hand arm vibration level meter indicates values of ax = 3 m/s2 , ay = 7 m/s2 and az = 5 m/s2.Normal working hours for the technician are 8 hours per day. -Calculate the vibration total value, ahv and technician daily vibration exposure, A(8). -Compare the technician daily vibration exposure with vibration A(8) limit values and give a recommendation.

A workshop technician used an Ingersoll Rand impact wrench to tighten and loosen tyre nut for an accumulation of 15 minutes per day. The hand arm vibration level meter indicates values of ax = 3 m/s2 , ay = 7 m/s2 and az = 5 m/s2.Normal working hours for the technician are 8 hours per day. -Calculate the vibration total value, ahv and technician daily vibration exposure, A(8). -Compare the technician daily vibration exposure with vibration A(8) limit values and give a recommendation.

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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A workshop technician used an Ingersoll Rand impact wrench to tighten and loosen
tyre nut for an accumulation of 15 minutes per day. The hand arm vibration
level meter indicates values of ax = 3 m/s2 , ay = 7 m/s2
and az = 5 m/s2.Normal working hours for the technician are 8 hours per day.

-Calculate the vibration total value, ahv and technician daily vibration
exposure, A(8).

-Compare the technician daily vibration exposure with vibration A(8) limit
values and give a recommendation.

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