2 Machine flow

marlas
14.
 
 
 

The times required to complete each of eight jobs in a two-machine flow shop are shown in the table that follows. Each job must follow the same sequence, beginning with machine A and moving to machine B.


 

 

TIME (hours)

JobMachine AMachine B
a16        5        
b3        13        
c9        6        
d8        7        
e2        14        
f12        4        
g18        14        
h20        11        


 

a.Determine a sequence that will minimize makespan time.


 

  The sequence is .


 

b.Find machine B’s idle time.


 

  Idle time[removed] hrs  


 

c.

For the sequence determined in part a, how much would machine B's idle time be reduced by splitting the last two jobs in half?


 

  New idle time [removed] hrs, savings of [removed] hrs.

    • 11 years ago
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