MGT 3900 Exam 2 QUESTIONS AND ANSWERS/ STUDY NOTES 1. There can be no more than two firms on the efficient frontier. False
2. If the takt time is shorter
... [Show More] than the cycle time, the process needs to run faster. True
3. When an operation improves its efficiency, its revenue will always stay constant while its costs will go down. False.
4. You and three of your friends run a car wash for a fundraiser. Between interior and exterior cleaning, you spend about 40 minutes per vehicle. You are so successful that the next day, you invite four more friends to help. How does this impact the labor content? The labor content stays the same.
5. The capacity of a nonbottleneck resource is the capacity of the process. Larger than.
6. The of a resource is how long that particular resource takes to complete one flow unit. Processing time.
7. A resource with a utilization of less than 100% is never the bottleneck. False.
8. A bottleneck resource in a process has the least idle time. True
9. Which of the following statements about process analysis is true? Process analysis helps one analyze all the activities involved in providing one unit of supply.
10. In a process with rework, we find the bottleneck as the resource with the highest implied utilization. True
11. A suburb of Dayton, Ohio, has four local dry cleaners which compete with each other on the basis of price and service speed. Each of them can perform the same basic services at the same level of quality. The table below provides the price that each dry cleaner charges to clean a two-piece suit as well as the quoted number of days that the service will take. Which of these dry cleaners are not on the efficient frontier? (B)
12. The resource with the largest total demand rate is the bottleneck. False.
13. A group of workers works really hard. In fact, they work so hard that one of them claims to have an average labor utilization of 120%. Is that possible? No
14. Little’s Law describes the relationship between the following metrics EXCEPT: flow unit.
a. It does involve flow time, flow rate, inventory.
15. A non-bottleneck worker currently has an idle time of 20 seconds per unit. Because of the large demand, the company improves the process by adding more capacity to the bottleneck. How does this impact the idle time of the worker? The idle time would decrease.
16. The process capacity determines the a process can provide per unit of time. Maximum flow rate
17. What is the highest possible yield a process can obtain? 100%
18. From the perspective of a cashier in a supermarket, the appropriate level for the process scope is: the customer checkout process.
19. How does the target manpower change as the demand rate increases? The target manpower increases.
20. You are sitting in a restaurant and the waiter brings you the food that you ordered a while ago. If you think about you being the flow unit in the process of the restaurant - which step of this process will be downstream relative to your current position in the process? Paying the bill.
21. A process has a yield of 50%. How many units are needed as inflow to create an outflow of 40 units per day? 80
22. You observe a vehicle registration department at your local township. Assume that all employees are ready to work at 9 a.m. You arrive at 9 a.m. sharp and are the first customer. Is your time through the empty process longer or shorter or equal to the flow time averaged across all customers that arrive over the course of the day? Shorter than average time.
23. Specialization increases the costs of labor as specialists will command a higher wage rate.
False
24. Customers are driving away after failing to find a place to park at a supermarket. The process currently is: capacity constrained.
25. Rework can increase the costs of an operation, but has no impact on the capacity of the process. False.
26. Inventory is shown as in a process flow diagram. Triangles
27. Resources are shown in a process flow diagram as: Boxes
28. CodeDesk Inc matches programmers with freelance jobs. They have 30 employees who staff their online chat room. They receive on average 250 chat requests per hour and the average chat session takes 3 minutes to complete (i.e. from start to finish).
On average how many chat sessions are active (i.e., started but not completed)? (Round to nearest integer) 13 chat session.
29. LaVilla is a village in the Italian Alps. Given its enormous popularity among Swiss, German, Austrian, and Italian skiers, all of its beds are always booked in the winter season and there are on average 1050 skiers in the village. On average, skiers stay in LaVilla for 11 days. H ow many new skiers are arriving – on average – in LaVilla every day? (Round to nearest integer) 95 skiers.
30. The table below provides the time stamps for the 8 people who called a reservation desk for a ferry service between 8:00 am and 8:20 am. Based on the data in the table, what is the flow rate of callers? 0.4 per minute. [Show Less]