Question: Industrial Work Measurement 9. The continuous timing method was used to measure the observed times of a task. The observed times are shown in the

Industrial Work Measurement

9. The continuous timing method was used to measure the observed times of a task. The observed times are shown in the table below. In this one cycle, elements a, b, c, and e are worker-controlled elements. Element d is machine controlled. Elements a, b and e are external element, while element c is internal. There are no irregular elements. Performance rating for worker-controlled elements is 90%. The PFD allowance is 13% and the machine allowance is 18%. Determine (a) the normal time, and (b) standard time for this cycle. (c) If worker efficiency - 100%, how many units will be produced in one 9-hour shift? (d) If the shift involves two breaks of 15 min each, the worker performance = 120%, how many units would be produced? Worker element(min) Machine element(min) a (0.85) b (1.90) (3.50) d (5.25) e (6.45)

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