Total work content for a product assembled on a manual production line is 33.0 min and the production rate of the line must be 47 units/hr. work units are attached to a moving conveyor whose speed = 7.5 ft/min. Repositioning time per worker is 6 sec, and uptime efficiency of the line is 94%. Owing to imperfect line balancing, the number of workers needed on the line must be two more workers than the number required for perfect balance. Assume the manning level is 1.6 .(a) How many workers are required on the line? (b) How many workstations are on the line? (c) What is the balance delay for this line?
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