Sue Helms Appliances wants to establish an assembly line to manufacture its new

Question

Sue Helms Appliances wants to establish an assembly line to   manufacture its new product, the Micro Popcorn Popper. The   goal is to produce five poppers per hour. The tasks, task times, and   immediate predecessors for producing one Micro Popcorn   Popper are as follows: Task Time (min) Immediate   Predecessors A 10 ---- B 12 A C 8 A,B D 6 B,C E 6 C F 6 D,E a) What is   the theoretical minimum for the smallest number of workstations that Helms   can achieve in this assembly line? b) Graph   the assembly line and assign workers to workstations. Can you assign them   with the theoretical minimum? c) What is   the efficiency of your assignment? Sue Helms Appliances wants to establish an assembly line to   manufacture its new product, the Micro Popcorn Popper. The   goal is to produce five poppers per hour. The tasks, task times, and   immediate predecessors for producing one Micro Popcorn   Popper are as follows: Task Time (min) Immediate   Predecessors A 10 ---- B 12 A C 8 A,B D 6 B,C E 6 C F 6 D,E a) What is   the theoretical minimum for the smallest number of workstations that Helms   can achieve in this assembly line? b) Graph   the assembly line and assign workers to workstations. Can you assign them   with the theoretical minimum? c) What is   the efficiency of your assignment?

Explanation / Answer

(C.)

Efficiency=Tasks times total/# of workstations*largest assigned cycle time

(10+12+8+6+6+6)/(5*12)=0.8

0.8*100=80%

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