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Consider the bill of material for Product J and the data given in the following table. The gross requirements for J are 200 units in week 6 and 250 units in week 8. Develop the MRP tables for each item for an 8-week planning period. Use the lot-for-lot lot-sizing rule. Consider the bill of material for Product J and the data given in the following table. The gross requirements for J are 200 units in week 6 and 250 units in week 8. Develop the MRP tables for each item for an 8-week planning period. Use the lot-for-lot lot-sizing rule. \begin{array}{|c|c|c|c|} \hline \text { Item } & \text { Lead Time } & \text { Quantity on Hand } & \text { Scheduled receipts } \\ \hline \mathrm{J} & 1 & 0 & \\ \hline \mathrm{K} & 2 & 20 & 30 \mathrm{in} \text { week 2 } \\ \hline \mathrm{L} & 2 & 0 & \\ \hline \mathrm{I} & 1 & 20 & 10 \mathrm{in} \text { week 1 }\\\hline \end{array}  Item  Lead Time  Quantity on Hand  Scheduled receipts J10K22030in week 2 L20I12010in week 1 \begin{array}{|c|c|c|c|}\hline \text { Item } & \text { Lead Time } & \text { Quantity on Hand } & \text { Scheduled receipts } \\\hline \mathrm{J} & 1 & 0 & \\\hline \mathrm{K} & 2 & 20 & 30 \mathrm{in} \text { week 2 } \\\hline \mathrm{L} & 2 & 0 & \\\hline \mathrm{I} & 1 & 20 & 10 \mathrm{in} \text { week 1 }\\\hline\end{array}

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In continuous (stock-to-forecast) operations, the master production schedule is usually expressed in terms of


A) end items
B) modules
C) kits
D) customer orders
E) warehouse orders

F) B) and E)
G) A) and E)

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An engineering change notice is used to change a(n)


A) MRP
B) MPS
C) ERP
D) BOM
E) none of the above

F) A) and D)
G) C) and E)

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Time fences divide that segment of the MPS that can be revised from that section that is "frozen."

A) True
B) False

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Which of the following statements regarding Wheeled Coach is False?


A) Wheeled Coach has found competitive advantage through MRP.
B) Wheeled Coach builds ambulances in a repetitive process.
C) Wheeled Coach's MRP system allowed the company to meet tight schedules, but caused inventory to rise.
D) Wheeled Coach's MRP system maintains excellent record integrity.
E) Low inventory and high quality are two positive outcomes of Wheeled Coach's use of MRP.

F) D) and E)
G) A) and C)

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In MRP, the number of units projected to be available at the beginning of each time period refers to


A) net requirements
B) scheduled receipts
C) the projected usage of the item
D) the amount projected to be on hand
E) the amount necessary to cover a shortage

F) B) and D)
G) B) and C)

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The supply-chain systems that result from using ERP in the grocery industry are called efficient consumer response (ECR) systems.

A) True
B) False

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__________ is a lot-sizing technique that generates exactly what is required to meet the plan.

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By convention, the top level in a bill of material is designated level 1.

A) True
B) False

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A master production schedule contains information about


A) quantities and required delivery dates of all subassemblies
B) quantities and required delivery dates of final products
C) inventory on hand for each subassembly
D) inventory on hand for each final product
E) scheduled receipts for each final product

F) B) and E)
G) A) and D)

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Material requirements plans specify


A) the quantities of the product families that need to be produced
B) the quantity and timing of planned order releases
C) the capacity needed to provide the projected output rate
D) the costs associated with alternative plans
E) whether one should use phantom bills of material or not

F) All of the above
G) A) and B)

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Each X requires 2 of component Y and 1 of part W. Each Y requires 10 of Z. Each W requires 3 of Q and 2 of R. Lead times are X = 1 week, Y = 1 week, W = 2 weeks, R = 1 week, Z = 3 weeks, and Q = 3 weeks. a. Construct the time-phased product structure. b. Construct the bill of material.

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A very simple product (A) consists of a base (B) and a casting (C). The base consists of a plate (P) and three fasteners (F). There are currently 30 castings and 100 bases on hand. Final assembly takes one week. The casting has a lead time of three weeks. All other parts have one week lead times. There are no scheduled receipts. All components are lot-for-lot. The MPS requires 80 units of product A in week 5 and 120 in week 8. Produce the MRP for the upcoming eight weeks. Produce a list of all planned order releases.

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When safety stock is deemed absolutely necessary, the usual policy is to build it into which category of the MRP logic?


A) Gross Requirements
B) Scheduled Receipts
C) Projected On Hand
D) Net Requirements
E) Planned Order Receipts

F) C) and E)
G) B) and C)

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What information is necessary for an operations manager to make effective use of a dependent inventory demand model?

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The information necessary for an operati...

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By convention, the top level in a bill of material is


A) level 0
B) level 1
C) level T
D) level 10
E) level 100

F) A) and E)
G) C) and D)

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The bill of material contains information necessary to


A) place an order to replenish the item
B) calculate quantities on hand and on order
C) convert net requirements into higher level gross requirements
D) convert gross requirements into net requirements
E) convert (explode) net requirements at one level into gross requirements at the next level

F) None of the above
G) D) and E)

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"Phantom bills" are bills of material for subassemblies that do not exist in reality.

A) True
B) False

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Compare MRP in services to MRP in manufacturing. Utilize a simple example in your comparison.

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Services can exhibit dependent demand, j...

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Which portion of the master production schedule is normally fixed, frozen, or firm?


A) the entire schedule
B) only the aggregate schedule
C) only the middle of the schedule
D) only the near-term portion
E) only the far-term portion

F) A) and B)
G) A) and E)

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Showing 61 - 80 of 169

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