bozhantifch16.docx

1、bozhantifch16Chapter 16 JIT/Lean ProductionTRUE/FALSE1. The just-in-time philosophy applies only to the production floor of a manufacturing company.Answer: FalseReference: IntroductionDifficulty: EasyKeywords: JIT, just-in-time, manufacturing2. Just-in-time production is the same thing as lean produ

2、ction.Answer: TrueReference: IntroductionDifficulty: EasyKeywords: JIT, just-in-time, manufacturing, lean3. Companies employing the lean philosophy use only kanban as a production control method.Answer: FalseReference: IntroductionDifficulty: ModerateKeywords: JIT, just-in-time, manufacturing, kanba

3、n4. Since a JIT manufacturer has very little inventory, it is vital that all incoming parts receive a thorough inspection.Answer: FalseReference: The Lean Perspective on WasteDifficulty: ModerateKeywords: JIT, just-in-time, waste5. Transportation is waste according to the lean philosophy.Answer: Tru

4、eReference: The Lean Perspective on WasteDifficulty: EasyKeywords: JIT, just-in-time, waste, transportation6. A reduction in inventory levels forces a company to improve manufacturing practices.Answer: TrueReference: The Lean Perspective on InventoryDifficulty: EasyKeywords: JIT, just-in-time, inven

5、tory7. A two-card kanban system is a planning tool that links production and movement of units at two work centers.Answer: FalseReference: Kanban SystemsDifficulty: EasyKeywords: JIT, just-in-time, inventory8. The cards employed in a two card kanban system are the production card and the move card.A

6、nswer: TrueReference: Kanban SystemsDifficulty: EasyKeywords: JIT, just-in-time, kanban, production, move, card9. A pull system is a production system in which actual downstream demand sets off a chain of events that pull material through various steps in the production process.Answer: TrueReference

7、: Kanban SystemsDifficulty: EasyKeywords: JIT, just-in-time, kanban, pull system10. The forecast for next month is 200 units so the manufacturer gathers materials for this anticipated level of production activity. This is an example of pull production.Answer: FalseReference: Kanban SystemsDifficulty

8、: ModerateKeywords: JIT, just-in-time, kanban, pull system11. The greater the demand, the more kanbans are needed.Answer: TrueReference: Kanban SystemsDifficulty: ModerateKeywords: JIT, just-in-time, kanban, demand12. An increase in the safety factor results in an increase in the amount of inventory

9、 in the system.Answer: TrueReference: Kanban SystemsDifficulty: ModerateKeywords: JIT, just-in-time, kanban, safety factor, inventoryAACSB: Analytic Skills13. For a kanban system to work properly, demand rates must be relatively stable, and interruptions must be minimized.Answer: TrueReference: Kanb

10、an SystemsDifficulty: ModerateKeywords: JIT, just-in-time, kanban, demand, interruption14. Some companies have found it beneficial to combine the planning capabilities of kanban with the control capabilities of MRP.Answer: FalseReference: Kanban SystemsDifficulty: ModerateKeywords: JIT, just-in-time

11、, kanban, MRP, planning, controlMULTIPLE CHOICE15. JIT can be used in:a. repetitive production.b. job shop production.c. many service industries.d. All of these settings are appropriate for JIT.Answer: dReference: IntroductionDifficulty: EasyKeywords: JIT, just-in-time, service, manufacturing16. Whi

12、ch of the following is NOT an element of just-in-time manufacturing?a. to have only the required inventory when neededb. to increase queue lengthsc. to improve quality to zero defectsd. to reduce setup timesAnswer: bReference: IntroductionDifficulty: EasyKeywords: JIT, just-in-time, queue length17.

13、Inflexible or unreliable processes that cause organizations to produce goods before they are required are called:a. excess motion.b. inappropriate processes.c. overproduction.d. defects.Answer: cReference: The Lean Perspective on WasteDifficulty: ModerateKeywords: JIT, just-in-time, waste, overprodu

14、ction18. Scrap or rework are examples of the JIT waste recognized as:a. defects.b. inappropriate processing.c. unnecessary motion.d. waiting.Answer: aReference: The Lean Perspective on WasteDifficulty: ModerateKeywords: JIT, just-in-time, waste, defects19. In the water and rocks analogy for JIT:a. w

15、ater represents problems.b. water represents inventory.c. rocks represent inventory.d. water wears away rocks gradually just like continuous improvement programs improve quality.Answer: bReference: The Lean Perspective on InventoryDifficulty: ModerateKeywords: JIT, just-in-time, inventory, rocks, wa

16、ter20. A kanban can be:a. a container.b. a card.c. a visual cue.d. All of these can be kanbans.Answer: dReference: Kanban SystemsDifficulty: ModerateKeywords: JIT, just-in-time, kanban, card, container21. In a two-card kanban system:a. each box of finished goods has a move card so it can be sent to

17、the next step.b. each box of raw material has a production card so it can be made into finished goods.c. a downstream station pulls finished material out of a production area.d. demand for more raw materials pushes finished goods to the finished goods area.Answer: cReference: Kanban SystemsDifficult

18、y: ModerateKeywords: JIT, just-in-time, kanban, two-card, kanban, production, move22. In a single-card kanban system: a. the single card is the production card.b. the empty container serves as the production card.c. the single card is the move signal.d. None of the above is correct in a single-card

19、system.Answer: aReference: Kanban SystemsDifficulty: ModerateKeywords: JIT, just-in-time, kanban, single-card, kanban, production, move23. Liversuch Industries uses a kanban system to manage production of the J-15 sub-assembly. They have an hourly demand for 250 units and use containers that can hol

20、d 50 units each. It takes 90 minutes to fill and move a container of parts to the right place on the J-15 line that is currently rated at a 20% safety factor. How many production cards are needed?a. 540b. 100c. 9d. 1.5Answer: cReference: Kanban SystemsDifficulty: ModerateKeywords: JIT, just-in-time,

21、 kanbanAACSB: Analytic Skills24. Livermore Industries uses a kanban system to manage production of the KR-9 sub-assembly. In a ten hour day they use 1500 units and use containers that can hold 50 units each. It takes 45 minutes to fill and move a container of parts to the right place on the KR-9 lin

22、e that is currently rated at a 15% safety factor. How many production cards are needed?a. 3b. 26c. 82d. 155Answer: aReference: Kanban SystemsDifficulty: ModerateKeywords: JIT, just-in-time, kanbanAACSB: Analytic Skills25. Livernonions Industries uses a kanban system to manage production of the BR-54

23、9 sub-assembly. In an eight hour day they use 900 units and use containers that can hold 30 units each. It takes 120 minutes to fill and move a container of parts to the right place on the BR-549 line that is currently rated at a 15% safety factor. How many production hours of inventory are needed?a

24、. 18.4b. 7.6c. 4.3d. 2.4Answer: dReference: Kanban SystemsDifficulty: ModerateKeywords: JIT, just-in-time, kanban, inventoryAACSB: Analytic Skills26. Which of the following statements regarding supply chain synchronization using kanbans is best?a. An interruption in the flow of goods within a suppli

25、ers assembly operations will have no effect on final assembly downstream in the supply chain.b. For the system to work properly demand rates must be relatively stable and interruptions must be minimized.c. If final assembly demand doubles, there is no need to change kanban counts at each of the supp

26、liers.d. Final assembly demand may rise or fall, but the sum of the kanbans among all suppliers in the supply chain will remain constant.Answer: bReference: Kanban SystemsDifficulty: ModerateKeywords: JIT, just-in-time, kanban, supply chain27. When using MRP and kanban together:a. the control capabi

27、lities of MRP are used instead of those from kanban.b. the planning capabilities of kanban are used instead of those from MRP.c. the demand rate should be variable in order to derive the greatest benefit from the MRP portion of the system.d. the number of kanbans is recalculated from the MRP systems

28、 order changes throughout the horizon.Answer: dReference: Kanban SystemsDifficulty: ModerateKeywords: JIT, just-in-time, kanban, MRPFILL IN THE BLANK28. Just-in-time production is also referred to as _.Answer: lean production or the Toyota Production SystemReference: IntroductionDifficulty: EasyKeyw

29、ords: JIT, just-in-time, lean, Toyota production system, TPS29. Any activity that does not add value to the good or service in the eyes of the consumer is _.Answer: waste or mudaReference: The Lean Perspective on WasteDifficulty: EasyKeywords: JIT, just-in-time, waste, value30. A(n) _ is a productio

30、n control approach that uses containers, cards, or visual cues to control production and movement of goods throughout the supply chain.Answer: kanban systemReference: Kanban SystemDifficulty: EasyKeywords: JIT, just-in-time, kanban31. Under two-card kanban system rules, each box of raw material must

31、 have a(n) _, while each box of finished goods must have a(n) _.Answer: move card, production cardReference: Kanban SystemDifficulty: ModerateKeywords: JIT, just-in-time, kanban, production card, move card32. A manufacturer waits to produce until they have an order from a customer. This type of production system is called _.Answer: pull productionReference: Kanban SystemDifficulty: ModerateKeywords: pull system, pull production33. The number of kanbans in a production syste