Question: Please explain step by step and where the numbers come from to make the calulation. 4. An assembly line with 28 activities is to be
Please explain step by step and where the numbers come from to make the calulation.
4. An assembly line with 28 activities is to be balanced. The total amount of time required for all 28 activities is 88 minutes. The longest activity is 2.2 minutes and the shortest is 0.8 minutes. The line will operate for 450 minutes per day. Using a cycle time of 60 seconds, determine an assembly-line balance by selecting the longest-processing-time task available. Compute the total idle time and assembly-line efficiency. The total idle time is _____ seconds.
a. more than 30 but less than or equal to 40
b. more than 40 but less than or equal to 50
c. less than or equal to 20
d. more than 20 but less than or equal to 30
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