14. The times required to complete each of eight jobs in a two-machine flow shop are shown in the ta

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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)

Job Machine A Machine B
a 16         5        
b 3         13        
c 9         6        
d 8         7        
e 2         14        
f 12         4        
g 18         14        
h 20         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.

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