For an activity in a CPM analysis the Early Finish time is 20 and the Late Finish time is
20. Which of the following statements is TRUE?
A. The activity’s late start must happen before its early start
B. The activity is on the critical path
C. The slack for this activity is 20
D. The duration of this task is zero
E. The duration of this task is 20
Answer:
Facility location analysis considers the competitive imperative to be close to customers
as to timeliness of deliveries.
Answer:
Safety stock can be defined as the amount of inventory carried in addition to the
expected demand.
Answer:
A department of 25 machines is kept running by three operators who respond to
randomly occurring equipment problems. An analyst wanting to know whether to add a
fourth operator or downsize to two operators would be helped by using queuing theory
analysis.
Answer:
Aggregation in sales and operations planning is by groups of customers on the supply
side and by product families on the demand side of the firm’s supply chain.
Answer:
“Quality at the source” refers to the degree to which a product or service design
specifications are met.
Answer:
The aggregate operations plan translates annual and quarterly business plans into broad
labor and output plans for the intermediate term of 3 to 18 months.
Answer:
Price-break models deal with the fact that the selling price of an item varies with the
order size.
Answer:
One of the basic purposes of inventory analysis in manufacturing and stockkeeping
services is to determine the level of quality to specify.
Answer:
As lean production methods reduce changeover and setup times and thus enable smaller
economic lot sizes and less work-in-process inventory, is the importance of quality
increased or decreased? Why?
Answer:
Activity-system maps are useful in understanding how well a system of activities fits
the overall company’s strategy.
Answer:
The objective of strategic capacity planning is to provide an approach for determining
the overall capacity level of labor-intensive resources.
Answer:
Two common measures to evaluate supply-chain efficiency are the inventory turnover
and weeks-of-supply ratios.
Answer:
If demand for an item is normally distributed we plan for demand to be twice the
average demand and carry 2 standard deviations worth of safety stock inventory.
Answer:
One-hundred percent inspection is justified when the cost of inspection is low.
Answer:
One of the many lean techniques that have been successfully applied in service firms is
leveling facility load.
Answer:
The ultimate in plant flexibility is a one-hour-changeover time plant.
Answer:
A Kanban control system uses a signaling device to regulate JIT flows.
Answer: