Two handed process chart of signing a latter, Operation Research

Two Handed process Chart of Signing a Latter

    A multiple  activity  chart  records the related  sequence of activities  of more  than one subject, men  and / or  machine  on a common time scale showing the relationship between  them. By  recording their  activities  separately  , it is possible  to depict on the chart  the periods of working and non working  on the part  of any of the subjects during a cycle  of the process. A  study  of the chart  would bring to light the activity  interference or the ineffective  utilization  of men and/ or  machine  and action  can be  taken  to rearrange  the activities  to eliminate  or reduce the idleness or ineffective time.

The activities  of different  workers  and machines  are recorded against a common  time  scale in  sequence in terms  of working  time and  idle time by drawing respective bars. These timings can be  observed by an  ordinary wristwatch  or a stopwatch according to the accuracy required and the  duration  of each activity. Timings can also  be built up from  previous  measurements.

The  inactive  activity  is left  blank, whereas the  active  one is  normally  shaded. Sometimes the followings shadings are also used to represent each activity.

Blank rectangle or space is used  to show that one of the two  i ,e , man or Machine  is idle.

Dark colored rectangular space shows position/ period  of independent Activity  or man/ machine  is busy.

Stripped space shows when  both  man and  machine are working  Together i ,e, combined  activity.



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