question archive 1) Two types of customers are served by a two-step process
1) Two types of customers are served by a two-step process
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1) Two types of customers are served by a two-step process. Each resource is staffed by one employee. Customer A spends two minutes at resource X and five minutes at resource Y. Customer B spends five minutes at resource X and two minutes at resource Y. The demand rate per hour is 10 customer A and 15 customer B. What is the workload for resource X across all customer types?
a. 70 minutes per hour
b. 80 minutes per hour
c. 95 minutes per hour
d. 105 minutes per hour
2) Two types of customers are served by a two-step process. Each resource is staffed by one employee. Customer A spends two minutes at resource X and five minutes at resource Y. Customer B spends five minutes at resource X and two minutes at resource Y. The demand rate per hour is 10 customer A and 15 customer B. What is the workload for resource Y across all customer types?
A. 70 minutes per hour
b. 80 minutes per hour
c. 95 minutes per hour
d. 105 minutes per hour
3. Two types of customers are served by a two-step process. Each resource is staffed by one employee. Customer A spends two minutes at resource X and five minutes at resource Y. Customer B spends five minutes at resource X and two minutes at resource Y. The demand rate per hour is 10 customer A and 15 customer B. Where in the process is the bottleneck and what is its implied utilization?
a. Resource X, 1.58
b. Resource X, 1.33
c. Resource Y, 1.33
d. Resource Y, 1.58
4. Two types of customers are served by a two-step process. Each resource is staffed by one employee. Customer A spends two minutes at resource X and five minutes at resource Y. Customer B spends five minutes at resource X and two minutes at resource Y. The demand rate per hour is 10 customer A and 15 customer B. What is the flow rate for customer A holding the mix of A and B constant?
a. Cannot be determined
b. 6.3 customers per hour
c. 7.5 customers per hour
d. 9.5 customers per hour
5. Two types of customers are served by a two-step process. Each resource is staffed by one employee. Customer A spends two minutes at resource X and five minutes at resource Y. Customer B spends five minutes at resource X and two minutes at resource Y. The demand rate per hour is 10 customer A and 15 customer B. What is the flow rate for customer B holding the mix of A and B constant?
a. Cannot be determined
b. 6.3 customers per hour
c. 9.5 customers per hour
d. 11.25 customers per hour
6. Rework is a of activities that must be completed by a
flow unit to be restored to a good flow unit.
a. reduction, defective
b. reduction, nondefective
c. repetition, defective
d. repetition, nondefective
7. Which of the following statements concerning rework is TRUE?
a. Rework does not involve performing an extra set of activities.
b. Rework does not involve inventories.
c. Rework can never return a process yield to 100%.
d. Rework increases the demand rate for a resource.
8. Which of the following statements concerning rework is TRUE?
a. Rework involves only bottleneck resources.
b. Rework does not affect overall process capacity.
c. Rework leads a lower overall process yield than scrap.
d. Rework leads to a higher overall process yield than scrap.
Answer:
Rework attempts to restore the overall process yield to 1. Scrap, on the other hand, simply exits the process according to the yield at a resource.
9 Students who failed a course last semester are retaking it this semester. This is an example of .
a. attrition loss
b. rework
c. compliance
d. process reengineering
10. refers to a of activities or an extra set of activities that must be completed by a defective unit to be restored to a good flow unit.
a. Rework, removal
b. Reduce, removal
c. Rework, repetition
d. Reduce, repetition
11. A four-step process is used to make a product. The first resource takes 8 minutes per unit, the second takes 7 minutes per unit, the third takes 2 minutes per unit, and the fourth takes 10 minutes per unit. 20% of all units must be reworked. For that, they must revisit the third and fourth resources. Each resource is staffed by one worker. Rework takes the same processing times as the first pass and always fixes the problem. Where is the bottleneck?
A. Resource 1
B. Resource 2
C. Resource 3
D. Resource 4
12. A four-step process is used to make a product. The first resource takes 8 minutes per unit, the second takes 7 minutes per unit, the third takes 2 minutes per unit, and the fourth takes 10 minutes per unit. 20% of all units must be reworked. For that, they must revisit the third and fourth resources. Each resource is staffed by one worker. Rework takes the same processing times as the first pass and always fixes the problem. What is the capacity of the process in units per minute?
A. 0.08
B. 0.125
C. 0.143
D. 0.417
