2008+First+Exam

# 2008+First+Exam - Exam 2 Practice Test Starting Lump of...

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Exam 2 Practice Test Starting “Lump of Stuff” Questions Consider a manufacturing process that makes “Lumps of Stuff”. The making of Stuff requires a three step process; Tossing, Washing and Flossing. Raw materials enter the process as a giant lump weighing exactly 100 pounds. Tossing takes 2 minutes per lump, washing takes 1.5 minutes per lump and flossing takes 2 minute per lump. Each work station is staffed by one trained technician. During the Tossing task, on average 5 pounds of stuff breaks off the lump and must be discarded. During the Washing task, on average 2 pounds of stuff is lost down the drain. During Flossing, the most dangerous task, on average 8 pounds of stuff is scraped off and is lost. 1) From the data above, the throughput time for producing a finished “Lump of Stuff” is: A) 4 minutes or less B) Between 4 minutes and 5 minutes C) 5 minutes or more 2) From the data above, the cycle time per lump for the process is: A) Less than 1 minute B) 1 minute C) Between 1 minute and 2 minutes D) 2 minutes 3) From the data above, the scrap-rate associated with the Tossing task is: A) 5% B) 10% C) 15% D) Greater than 15% 4) From the data above, the yield of the entire process for producing a finished “Lump of Stuff” is: A) Less than 81% B) Between 81% and 84% C) Between 84% and 87% D) Between 87% and 90% E) Greater than 90% End “Lump of Stuff” Questions 5) A small income tax service operated by Wilson and Wu processes simple tax forms. On average, either of the two tax preparers can complete a customer’s tax return in 1.5 hours. Assuming Wilson and Wu’s preparers work 18 hours per day, how many returns can be processed per day? A) 6 returns per day B) 12 returns per day C) 18 returns per day D) 24 returns per day E) less than 6 or more than 24 returns per day Begin Amanda and Kate’s Cobbler Shop Questions Amanda and Kate’s Cobbler Shop (shoe repair) is open eight hours per day five days per week. The shop repairs both men and women’s shoes. The most common repair at the shop, 55% of all repairs, is replacing soles on men’s shoes. The other 45% are equally divided among replacing men’s heels, replacing or repairing women’s heels, and repairing straps on women’s shoes. Replacing the sole on a shoe takes about 30 minutes and customers are charged \$35. Men’s or women’s heels are similar, each taking about 20 minutes, but men are charged \$20 and women \$15. Repairing women’s straps requires 15 minutes and customers pay \$15. 6) What is the capacity, in customers per hour, for each cobbler on duty? A) Less than 2.5 customers per hour B) Between 2.5 and 3.0 customers per hour C) Between 3.0 and 3.5 customer per hour D) Between 3.5 and 4.0 customers per hour E) More than four customers per hour

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7) What is the average revenue per customer? A)
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2008+First+Exam - Exam 2 Practice Test Starting Lump of...

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