In lean operations, input resources arrive for processing only after the preceding batch has been completed.. If a firm's product mix is 60% of product A and 20% each of products B and C
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1. In lean operations, input resources arrive for processing only after the preceding batch has been completed. True False
True False
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True False
10. Valuestream mapping is a technique focused on finding new ways of adding value for critical stakeholders such as customers.
True False
11. If a firm's product mix is 60% of product A and 20% each of products B and C, an optimal mixmodel production schedule would be successive sequences of AAABC.
True False
12. Quality and highly capable production systems are requirements for the successful implementation of lean operations.
True False
13. The small lotsizing policy works well in a situation where both holding costs and setup costs are high. True False
Trang 321. "Autonomation" indicates that the firm is attempting to reduce its dependence on automated equipment. True False
22. "Preventive maintenance" is additional maintenance done immediately after a breakdown has occurred to help prevent any further breakdowns.
True False
23. In the lean approach, inventories are reduced gradually, instead of eliminating inventories as rapidly as possible.
True False
24. One problem with lean operations is that they can lead to much frustration and disappointment of people on the shop floor due to the need for continuously monitoring and expediting resource availability.
True False
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30. In lean operations, when work is completed at one work center, it is important to immediately move the completed work to the next work center to minimize idle time.
True False
31. In a "pull system," a quantity of inventory in front of a workstation indicates problems at that workstation. True False
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41. A benefit of the lean philosophy is the flexibility to respond quickly to changing customer requirements. True False
Trang 650. For a company with a product mix of 40% of product A and 30% each of products B and C, which of the following mixedmodel sequences most reflects the lean philosophy?
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an average of 40 pieces per hour of a certain part. Standard containers hold 10 parts. The cycle time for parts containers is about 36 minutes. Management has assigned an efficiency factor of .20 to this work center. How many containers should be used to support this operation?
Trang 1486. Having a vendor be responsible for managing the restocking of inventory is what is meant by the term _.
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1. In lean operations, input resources arrive for processing only after the preceding batch has been completed. TRUE
Trang 164. The ultimate goal of lean operations is a system characterized by the smooth, rapid flow of materials. TRUE
Trang 178. The four building blocks of lean operations are: product design, process design, personnel/organizational elements, and manufacturing planning and control.
Trang 1811. If a firm's product mix is 60% of product A and 20% each of products B and C, an optimal mixmodel production schedule would be successive sequences of AAABC.
Trang 2121. "Autonomation" indicates that the firm is attempting to reduce its dependence on automated equipment. FALSE
Trang 2224. One problem with lean operations is that they can lead to much frustration and disappointment of people on the shop floor due to the need for continuously monitoring and expediting resource availability.
Trang 24FALSE
Work is only moved downstream when such work has been authorized; thus it is important to move finished work downstream because the downstream operation might be starved for inputs
Trang 2533. Engineering changes can be very disruptive to smooth operations and should not be made in the six month period following introduction of a new product.
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FALSE
Lean operations limit contact to only a first tier of suppliers. These are then responsible for sourcing at the second tier and beyond
Trang 3254. Building up an inventory of standard parts or modules instead of immediately producing the finished end items is the essence of:
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80. The All Seasonings Company uses 3,200 glass jars at one of its jarfilling workstations each eight hours of production. The cycle time for a standard container, which holds 90 jars, averages 45 minutes. If management uses an efficiency factor of twenty percent, how many containers should be used?
Trang 42an average of 40 pieces per hour of a certain part. Standard containers hold 10 parts. The cycle time for parts containers is about 36 minutes. Management has assigned an efficiency factor of .20 to this work center. How many containers should be used to support this operation?