bozhantifch15.docx

1、bozhantifch15Chapter 15 Managing Production Across the Supply ChainTRUE/FALSE1. Material requirements planning is performed over a shorter time frame and greater level of detail than master scheduling.Answer: TrueReference: IntroductionDifficulty: EasyKeywords: MRP, material requirements planning, m

2、aster scheduling2. Since the booked orders figure represents actual customer demand in a master schedule, that value is always less than or equal to forecasted demand.Answer: FalseReference: Master SchedulingDifficulty: ModerateKeywords: forecasted demand, booked orders, master scheduling3. Througho

3、ut every MRP record, ending inventory is equal to the ending inventory from the previous period, plus the master production schedule quantity, minus the orders booked for that period.Answer: FalseReference: Master SchedulingDifficulty: ModerateKeywords: MRP, ending inventory, orders booked, MPS quan

4、tityAACSB: Analytic Skills4. Available to promise inventory is always zero for the first week in the master schedule record.Answer: FalseReference: Master SchedulingDifficulty: ModerateKeywords: ATP, available to promise, master schedulingAACSB: Analytic Skills5. The longer the production and suppli

5、er lead times, the longer the MRP records planning horizon needs to be.Answer: TrueReference: Master SchedulingDifficulty: ModerateKeywords: MRP, planning horizon, lead time6. Material requirements planning is used to manage independent demand inventory.Answer: FalseReference: Material Requirements

6、PlanningDifficulty: EasyKeywords: MRP, material requirements planning7. MRP uses backward scheduling.Answer: TrueReference: Material Requirements PlanningDifficulty: EasyKeywords: MRP, material requirements planning, backward scheduling8. Gross requirements in an MRP record can be met by inventory f

7、rom previous weeks, scheduled receipts, or planned receipts.Answer: TrueReference: Material Requirements PlanningDifficulty: ModerateKeywords: MRP, material requirements planning, gross requirements, inventory9. In a bill of material, a parent may have many children but a child may have only one par

8、ent.Answer: FalseReference: Material Requirements PlanningDifficulty: DifficultKeywords: MRP, material requirements planning, BOM, bill of material, parent, child10. MRP nervousness refers to the notion that a small change at the top of a bill of material can have drastic effects on items farther do

9、wn the bill of material.Answer: TrueReference: Material Requirements PlanningDifficulty: DifficultKeywords: MRP, material requirements planning, BOM, bill of material, nervousness11. If a job has a negative critical ratio then it must be early.Answer: FalseReference: Production Activity Control and

10、Vendor Order Management SystemsDifficulty: DifficultKeywords: critical ratio, late, job sequencingAACSB: Analytic Skills12. RFID tags can be used instead of a bar code system to trace the movement and location of materials.Answer: TrueReference: Production Activity Control and Vendor Order Managemen

11、t SystemsDifficulty: EasyKeywords: RFID, radio frequency identification13. Distribution requirements planning is used to synchronize supply chain partners at the production activity control level.Answer: FalseReference: Synchronizing Planning and Control Across the Supply ChainDifficulty: ModerateKe

12、ywords: DRP, distribution requirements planning14. Distribution requirements planning is identical to material requirements planning except instead of gross requirements, a DRP record shows forecasted demand.Answer: TrueReference: Synchronizing Planning and Control Across the Supply ChainDifficulty:

13、 ModerateKeywords: DRP, distribution requirements planning, forecast, gross requirements, MRPMULTIPLE CHOICE15. Which step comes first in sales and operations planning?a. Master schedulingb. Material requirements planningc. Production activity controld. Vendor order managementAnswer: aReference: Int

14、roductionDifficulty: EasyKeywords: master scheduling, sales, operations planning16. Which of the following statements regarding master production scheduling calculations is best?a. Forecasted demand always exceeds booked orders.b. Booked orders always exceed forecasted demand.c. If booked orders are

15、 greater than forecasted orders, there must be a master production schedule for that period.d. If ending inventory is greater than or equal to zero, there is no master production schedule quantity for that period.Answer: dReference: Master SchedulingDifficulty: ModerateKeywords: master scheduling, e

16、nding inventory, MPS, master production schedulingAACSB: Analytic Skills17. Given the forecast and booked orders shown in the table, and a beginning inventory of 25, what is the master production schedule quantity for period 4?Period1234ForecastedDemand70656055Booked Orders80503010Projected ending i

17、nventoryMaster production schedule55Available to Promise0a. 35b. 40c. 55d. 70Answer: cReference: Master SchedulingDifficulty: ModerateKeywords: master scheduling, ending inventory, MPS, master production schedulingAACSB: Analytic Skills18. Given the forecast and booked orders shown in the table, and

18、 a beginning inventory of 20, what is the available to promise inventory for the first period? There are no LOT quantity constraints.Period1234ForecastedDemand200220240200Booked Orders190803010Projected ending inventoryMaster production scheduleAvailable to Promisea. 0b. 10c. 20d. 40Answer: bReferen

19、ce: Master SchedulingDifficulty: ModerateKeywords: master scheduling, ATP, available to promise, MPSAACSB: Analytic Skills19. Given the forecast and booked orders shown in the table, and a beginning inventory of 0, what is the available to promise inventory for the period 3? There are no LOT quantit

20、y constraints.Period1234ForecastedDemand1001009090Booked Orders103875421Projected ending inventoryMaster production scheduleAvailable to Promisea. 0b. 12c. 24d. 36Answer: dReference: Master SchedulingDifficulty: DifficultKeywords: master scheduling, ATP, available to promise, MPSAACSB: Analytic Skil

21、ls20. The planning technique that uses the master production schedule to monitor key resource requirements is:a. rough-cut capacity planning.b. horizon planning.c. resource planning.d. handfield planning.Answer: aReference: Material Requirements PlanningDifficulty: ModerateKeywords: rough-cut capaci

22、ty planning, MPS21. If a manufacturer had no inventory of any kind but had orders for 10 finished units of their sole product, their buyer would know what parts to order if they were supplied with a:a. backward schedule.b. bill of material.c. rough-cut capacity plan.d. planning horizon order sheet.A

23、nswer: bReference: Material Requirements PlanningDifficulty: ModerateKeywords: bill of material, BOM22. With the product structure tree shown and a beginning inventory of zero for all components and finished items, how many assembly As are needed to produce 25 product Xs?a. 125b. 250c. 325d. 400Answ

24、er: cReference: Material Requirements PlanningDifficulty: ModerateKeywords: product structure treeAACSB: Analytic Skills23. With the product structure tree shown and a beginning inventory of zero for all components and finished items, how many assembly Es are needed to produce 20 product Xs?a. 180b.

25、 220c. 260d. 300Answer: dReference: Material Requirements PlanningDifficulty: ModerateKeywords: product structure treeAACSB: Analytic Skills24. With the product structure tree shown and an inventory as shown in the table, how many assembly Es are should be produced or purchased to produce 15 product

26、 Xs?ItemXABCDEInventory515208617a. 91b. 147c. 193d. 225Answer: aReference: Material Requirements PlanningDifficulty: DifficultKeywords: product structure treeAACSB: Analytic Skills25. Using this MRP record and a lead time of 3 weeks, what should the planned orders be in week 1?12345Gross Requirement

27、s400500300Scheduled receipts00000Projected endingInventory100100Net RequirementsPlannedReceipts300Planned Ordersa. 200b. 300c. 400d. 500Answer: dReference: Material Requirements PlanningDifficulty: ModerateKeywords: MRP, material requirements planning, planned ordersAACSB: Analytic Skills26. There i

28、s no beginning inventory. What are the net requirements in week 4 if there is a scheduled receipt of 100 units each week and a two week production lead time?12345Gross Requirements500450400500300Scheduled receipts100100100100100Projected endingInventoryNet RequirementsPlannedReceipts450400300300Plan

29、ned Orders300300a. 250b. 300c. 350d. 400Answer: bReference: Material Requirements PlanningDifficulty: DifficultKeywords: MRP, material requirements planning, net requirementsAACSB: Analytic Skills27. There are 200 units in inventory at the start of week 1. What are the net requirements in week 4 if there is a scheduled receipt of 100 units every other week and a two week production lead time?12345Gross Requirements550450400400500Scheduled receipts10001000100Projected endingInventoryNet RequirementsPlannedReceipts350450Planned Orders350300a. 250b. 300c. 350d. 400Answ