Production and Operations Management Practice exercises

1.2 Chuck Sox makes wooden boxes in which to ship motorcycles Chuck and his three employees invest a total of 40 hours per day making the 120 boxes a) What is their productivity? b) Chuck and his employees have discussed redesigning the process to improve efficiency If they can increase the rate to 125 per day, what will be their new productivity? c) What will be their unit increase in productivity per hour? d) What will be their percentage change in productivity? Answer: a Their productivity: b Their new productivity: c Their unit increase in productivity per hour: d Their percentage change in productivity: 1.4 Carbondale Casting produces cast bronze valves on a 10-person assembly line On a recent day, 160 valves were produced during an 8-hour shift a) Calculate the labor productivity of the line b) John Goodale, the manager at Carbondale, changed the layout and was able to increase production to 180 units per 8-hour shift What is the new labor productivity per labor hour? c) What is the percentage of productivity increase? a The labor productivity of the line: b The new labor productivity per labor hour: c The percentage of productivity increase: