The manufacturing of a clock is comprised of six steps. Each step is staffed by
ID: 384873 • Letter: T
Question
The manufacturing of a clock is comprised of six steps. Each step is staffed by one worker. The table shows the tasks performed by each worker and the corresponding processing time: Step Tasks Processing Time (seconds) Preparation 1. Heat-stake lens to bezel 2. Inspect bezel 3. Clean switch holes 4. Install set switch in bezel Total time for A Preparation 2 5. Check switch travel 6. Clean inside bezel 7. Install module In bezel Total time for B Battery Installation 8. Install battery clip on module 9. Heat-stake battery clip on module 10. Install two batteries in module 11. Check switch Total time for C 2AN Band Installation 12. Install band 13. Inspect band Total time for D 19 AWG Packaging Preparation 14. Cosmetic Inspection 15. Final test Total time for E Watch packaging 16. Place watch and cuff in display box 17. Place cover in display box base 18. Place owner's manual and box Into tub Total time for F 64 If an external supplier suggests shipping the battery module with preinstalled batteries, thereby eliminating the need for step 10, What is process capacity in clock per hour?Explanation / Answer
Th Step 10 is "Install two batteries in the module" which if gets eliminated, the revised processing time of Step C will be = 70 - 22 = 48 seconds
Upon achieving above, the processing time of each step as follows :
Step A = 68 seconds
Step B = 60 seconds
Step C = 48 seconds
Step D = 58 seconds
Step E = 65 seconds
Step F = 64 seconds
The Bottlneck step ( with maximum processing time ) will thus will be Step A which will decide capacity of the process
Thus , it can be concluded that the process can manufacture 1 clock every 68 seconds
Hence, process capacity (i.e, clock per hour ) = 3600 seconds/ 68 seconds = 52.94
PROCESS CAPACITY IS 52.94 CLOCKS PER HOUR
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