exam 3 homework questions
A work system has five stations that have process times of 5, 9, 14, 9, and 8. What is the bottleneck time? A. 14 B. 9 C. 18 D. 45 E. 35
A
Consider consecutive processes Aminus−Bminus−C, where process A has a capacity of 20 units per hour, process B has a capacity of 25 units per hour, and process C has a capacity of 30 units per hour. Where would an operations manager want any inventory? A. in front of process A. B. in front of process C. C. in front of process B. D. Inventory should not exist anywhere.
A
Effective capacitytimes ×Efficiency equals: A. expected output. B. efficient capacity. C. utilization. D. actual capacity. E. design capacity.
A
Productivity increases when A. inputs decrease while outputs remain the same. B. inputs and outputs increase proportionately. C. inputs increase while outputs remain the same. D. outputs decrease while inputs remain the same.
A
The ratio of all resources to the goods and services produced is referred as A. multifactor productivity. B. productivity growth. C. labor productivity. D. single-factor productivity.
A
The third step in Theory of Constraints application, "subordinate all other decisions to Step 2," means that: A. the analyst should schedule nonminus−bottleneck processes to support the bottleneck schedule. B. the analyst should seek to increase capacity of both the bottleneck and nonminus−bottleneck resources. C. the analyst should wait for authorization before proceeding with any systemminus−wide changes. D. the analyst should seek to increase capacity of only the bottleneck resources.
A
There are three consecutive steps in a customer service process. The first two steps are each capable of serving 25 customers per hour while the third step can process only 20 customers per hour. Which of the following statements regarding this system is true? A. If the first two steps are run at full capacity, then the third step has a waiting line. B. There are floating bottlenecks in the system. C. The first and second steps are bottlenecks for the system. D. The entire system is capable of processing 25 customers per hour.
A
Work should be released into the system: A. when the bottlenecks need work. B. when a customer order is received. C. when the first step in the process is idle. D. when a customer order is completed.
A
A work system has five stations that have process times of 5, 9, 4, 6, and 8. What is the throughput time of the system? A. 35 B. 32 C. 9 D. 7 E. 18
B
Effective capacity is the: A. average output that can be achieved under ideal conditions. B. capacity a firm expects to achieve given the current operating constraints. C. sum of all of the organization's inputs. D. maximum output of a system in a given period. E. minimum usable capacity of a particular facility.
B
Which of the following is NOT a valid principle of bottleneck management? A. Lost time at the bottleneck represents lost capacity for the whole system. B. Increasing the capacity of a non-bottleneck station increases the capacity for the whole system. C. Increasing the capacity of a non-bottleneck station is a mirage. D. Release work orders to the system at the pace set by the bottleneck's capacity.
B
Which of the following is one of the four principles of bottleneck management? A. Increased non-bottleneck capacity is increased system capacity. B. Release work orders to the system at the bottleneck's capacity pace. C. Bottlenecks should be moved to the end of the system process. D. Increasing capacity at bottleneck stations is a mirage. E. Lost time at a non-bottleneck is lost system capacity.
B
Which of the following is the fourth step in the theory of constraints? A. Focus resources on accomplishing the plan. B. Reduce the effects of the constraints by offloading work or by expanding capability. C. When one set of constraints is overcome, go back and identify new constraints. D. Develop a plan for overcoming the identified constraints.
B
The second step in Theory of Constraints application, "exploit the bottleneck(s)," means that the analyst should: A. schedule nonminus−bottleneck resources to support the bottleneck. B. repeat the analysis process to look for other bottlenecks. C. create a schedule that maximizes the throughput of the bottlenecks. D. consider increasing capacity of the bottleneck.
C
Utilization will typically be lower than efficiency because: A. expected output is less than rated capacity. B. expected output is less than actual output. C. effective capacity is less than design capacity. D. effective capacity is greater than design capacity. E. effective capacity equals design capacity.
C
The Theory of Constraints (TOC) strives to reduce the effect of constraints by: A. offloading work from constrained workstations. B. increasing constrained workstation capability. C. changing workstation order to reduce throughput time. D. A and B E. A, B, and C
D
What is the theoretical maximum output of a system in a given period under ideal conditions? A. utilization B. effective capacity C. efficiency D. design capacity
D
Which of the following techniques is NOT a technique for dealing with a bottleneck? A. Increase the capacity of the constraint. B. Have cross-trained employees available to keep the constraint at full operation. C. Schedule throughput to match the capacity of the bottleneck. D. Develop alternate routings. E. All are techniques for dealing with bottlenecks.
E
Design capacity is the theoretical average output of a system in a given period under ideal conditions. True False
False
