Question: 20. A time study analyst conducted a time study and calculated OT as 30 minutes for a process. The analyst also measured Activity Factor (AF)

20. A time study analyst conducted a time study and calculated OT as 30 minutes for a process. The analyst also measured Activity Factor (AF) as 110% or 1.1. What is the Standard Time (ST) for this process if Allowance (A) is 15%?

a. 35 minutes

b. 27.33 minutes

c. 37.96 minutes

d. 26.79 minutes

21. If operating time of a machine is 500 minutes and total break down time is only 12 minutes, what is the Mean Time Between failures?

a. 50 minutes

b. Cannot be calculated with the information provided

c. 40 minutes

d. 23.5 minutes

22. If operating time of a machine is 250 minutes and total break down time is only 12 minutes, what is the MTTR?

a. 40 minutes

b. 50 minutes

c. 60 minutes

d. Cannot be calculated with the information provided

23. The setup time for a batch of 300 products is 30 minutes while the production time is 15 minutes for each product. What will be the product manufacturing time for each unit?

a. 15.1 minutes

b. 12 minutes

c. 22 minutes

d. 14 minutes

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