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Part II. Calculations. Single Answer Questions (Select one answer only) - [45 marks] 1. Irish New Pride Bakeries has, on average, 600 loaves of bread in production in its bakery at any particular time (this is the average inventory in the process). The loaves stay 2 hours in the oven, and it takes another hour for final packaging (3 hours total processing time). How many loaves per hour does the bakery produce? A. 300 B. 200 C. 3/600 D. 1800 2. Brenan's Bakeries claims to produce loaves of bread at a faster flow time and rate than Irish New Pride Bakeries. Brenan's Bakeries has an oven which reduces the baking time compared to Irish New Pride Bakeries by 20% and hires more employees, which reduces the packaging time compared to Irish New Pride Bakeries by 60%. For Irish New Pride Bakeries, the loaves stay 2 hours in the oven, and it takes 1 hour for final packaging (3 hours total processing time). There are also, on average, 600 loaves of bread in production in the Brenan's Bakeries bakery at any particular time. What is the rate of production at Brenan's Bakeries? A. The production rate at Brenan's Bakeries is the same as at Irish New Pride Bakeries. B. 600 loaves per hour C. 300 loaves per hour D. 64 loaves per hour 3. A car wash company is trying to reduce the average time customers spend in the car wash. What is the average time a customer spends in the car wash if there is on average, 147 customers at the car wash at any particular time and if 306 customers go through the checkout lanes every hour? A. 5.1 minutes B. 2.45 minutes C. 28.82 minutes D. 35.83 minutes 4. If the checkout rate increases to 327 customers going through the checkout lanes every hour, but the average number of customers in the car wash does not change (this remains 147 customers on average), which of the following about the new average time customers spend at the car wash is TRUE? A. The time stays the same. B. The time reduces by 7%. C. The time increases by 7%. D. The time reduces by 14%. 5. Smokey's Cafe takes 2 minutes to prepare a coffee and 15 coffees are ordered per hour on average. How many coffees are in preparation on average at Smokey's Caf? A. 1 B. 0.5 C. 30 D. 15 6. The demand at Smokey's Caf has increased to 30 coffees per hour on average. Smokey's Caf is able to meet all the demands. The coffee still takes on average, 2 minutes to prepare. On average, how many coffees are in preparation now? A. 0.5 B. 15 C. 1 D. 30 7. A bakery with a weekly demand of 2000 loaves of bread normally works 5 days a week from 6:00 am to 6:00 pm with a lunch break of 2 hours. Which of the following is the correct Takt Time for the bakery? A. 60 seconds B. 90 seconds C. 120 seconds D. 30 seconds 8. At a customer complaints center, the following information was collected. Average processing time to handle a complaint, p=6 minutes. Utilization of the center, u = 40%. Variability factor, v= 1.1. What is the average waiting time I wwir in the queue? A. 2.64 minutes B. 4.4 minutes C. 3.96 minutes D 2.4 minutes 9. What is the average time a customer spends in the system? A. 6 minutes B. 10.4 minutes C. 6.64 minutes D. 9.96 minutes 27% 45% 1200 210 1200 1150 1100 1050 1000 950 900 850 800 750 110 25% 36 880 70 774 35 700 714 56 659 659 600 550 500 450 400 350 300 250 200 150 100 50 Planned Unscheduled Time Scheduled Fun Breakdowns Changeovers Run Tme Non Sloppages Reduced Throughout Run Used Run Out of Spec Batches Elective Production Time production Time Time Figure 1 Information for answering questions 28 10 30 10. Using the information from Figure I, please calculate the Availability Rate to two decimal places. A. 0.73 B. 0.67 C. 0.88 D. 0.95 11. Using the information from Figure 1, please calculate the Performance Rate to two decimal places. A. 0.87 B. 0.92 C. 0.84 D. 0.63 12. Using the information from Figure 1, please calculate the Quality Rate to two decimal places. A. 0.92 B. 0.77 C. 0.54 D. 0.80 13. Using the answers above from Part II Questions 10 to 12, please calculate the Overall Equipment Effectiveness (OEE) to one decimal place. A. 0.8 B. 0.7 C. 0.6 D. 0.5 14. Consider the following situation: Demand is 8000 units per month. There are 20 working days per month. There are 2 shifts per day and 8 hours per shift. Please calculate the flow rate to two decimal places in units/min and choose the correct answer. A. 0.42 units/min B. 4.00 units/min C. 6,67 units/min D. 0.83 units/min 15. Consider the following situation: Demand is 8000 units per month. Of the 8000 units demanded per month, 2000 units are type A 2000 units are Type B, and 4000 units are Type C. The production sequencing used is C-A-C-B-C-A-C-B-C-A-C- B... There are 20 working days per month. There are 2 shifts per day and 8 hours per shift. What is the rate of production, on average, for each particular type? A. Type A: 2.4 minutes, Type B: 2.4 minutes, Type C: 4.8 minutes B. Type A: 9.6 minutes, Type B: 9.6 minutes, Type C: 4.8 minutes C. Type A: 2.4 minutes, Type B: 2.4 minutes, Type C: 9.6 minutes D. Type A: 9,6 minutes, Type B: 4,8 minutes, Type C: 4,8 minutes