Just in Time

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  • Topic: Kanban, Lean manufacturing, Toyota Production System
  • Pages : 9 (1870 words )
  • Download(s) : 214
  • Published : May 31, 2012
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Site Title:| Operations Management, 9/e and Principles of Operations Management, 7/e| Book Title:| Operations Management, 9/e and Principles of Operations Management, 7/e| Location on Site:| Chapter 16: Just-in-Time and Lean Operations > Self-Study Quizzes > Multiple Choice| Date/Time Submitted:| May 5, 2012 at 4:33 PM (UTC/GMT)|

| Summary of Results|
24% Correct of 17 Scored items: 4 Correct:|  24%|
13 Incorrect:|  76%|
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More information about scoring|
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1.| | JIT is a philosophy of Your Answer:| variability increase.| | Correct Answer:| waste reduction.| |
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 | INCORRECT. JIT advocates a reduction in variability.| |
2.| | When using kanbans Your Answer:| the kanban cards provide a direct control on the amount of work-in-process between cells.|
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 | CORRECT.|
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3.| | This action tends to reduce variability. Your Answer:| Production personnel make product before specifications are complete.| | Correct Answer:| Customer demands are made clear.| |

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 | INCORRECT. This action would tend to increase variability.| |
4.| | An effective JIT effort should result in increased Your Answer:| quality.|
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 | CORRECT.|
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5.| | Goals of JIT partnerships include Your Answer:| elimination of all activities.| | Correct Answer:| elimination of in-transit inventory.| |
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 | INCORRECT. JIT strives to eliminate unnecessary activities.| |
6.| | Characteristics of just-in-time suppliers do NOT include Your Answer:| minimal release paperwork.| | Correct Answer:| short-term contract agreements.| |
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 | INCORRECT. This is a characteristic of a JIT supplier.| |
7.| | A key to just-in-time production is Your Answer:| to rely very heavily upon purchased items rather than in-house production.| | Correct Answer:| the elimination of all inventories.| |

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 | INCORRECT. Make-or-buy is not a major issue with JIT production.| |
8.| | The prime advantage of a just-in-time inventory system lies in the Your Answer:| increased production rates.| | Correct Answer:| exposure of problems in the production/distribution system.| |

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 | INCORRECT. This is not necessarily a result.|
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9.| | Which of the following is a JIT layout tactic? Your Answer:| Decreased flexibility so processes can be done only one way and machines are dedicated to a single product or model.| | Correct Answer:| Sequential operations are adjacent to each other.| |

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 | INCORRECT. Increased flexibility is desirable.|
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10.| | Which of the following is NOT a JIT inventory tactic? Your Answer:| reduce variability| | Correct Answer:| consistently receive and store deliveries at the same point in the warehouse| |

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 | INCORRECT. Variability reduction is a key JIT tactic.| |
11.| | Which of the following is a JIT scheduling tactic? Your Answer:| produce in large batches| | Correct Answer:| level schedules| |
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 | INCORRECT. JIT emphasizes use of small batch sizes.|
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12.| | A production facility wants to determine the number of kanbans necessary for one of the parts used to make its most popular model of razor. This part's daily demand is 200; it has a production lead time of 1/2 day; its safety stock is 1/4 day, and the container size is 10. How many kanbans are needed? Your Answer:| 5| | Correct Answer:| 15| |

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 | INCORRECT. Reexamine the formula.|
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13.| | JIT has an internal focus and Lean Production begins with an external focus on Your Answer:| design.| | Correct Answer:| customers.| |
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 | INCORRECT. Design, if external, is not the focus.|
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14.| | JIT, Lean Production, and the Toyota Production System (TPS) all emphasize continuous improvement, but what makes the TPS unique is its emphasis on Your Answer:| supplier relationships.| | Correct Answer:| learning and employee empowerment.| |

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