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Exam 12: Managing Production Across the Supply Chain

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Question 51

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-According to the table above.What are the net requirements Front Leg Assemblies in Week 4

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Question 52

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Gross requirements in an MRP record can be met by inventory from previous weeks, scheduled receipts, or planned receipts.

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Question 53

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Consider the product structure tree shown below: With a beginning inventory of twenty for all components on level one, five for all components on level two, and zero for all components on level three and finished items, how many more K's than F's are needed to produce 25 product X's?

Which step in the top down model of manufacturing planning and control system comes after sales and operations planning?

Which of these correctly explains the relationship between available to promise inventory and the master production schedule for any week beyond the first week of the schedule when production is scheduled? Note that ATP is available to promise, MPS is master production schedule, EI is ending inventory, and OB is orders booked.

________ translates the master schedule for final products into detailed material requirements.

There are 50 units in inventory at the start of week 1 for this company, which runs a lot-for-lot MRP system. There is a one week lead time for all shipping and production quantities regardless of volume. What are the quantities of the planned orders for this item for the first six weeks? $\begin{array} { | l | c | c | c | c | c | c | c | c | } \hline & 1 & 2 & 3 & 4 & 5 & 6 & 7 & 8 \\\hline \text { Gross Requirements } & 50 & 20 & 30 & & 40 & & & \\\hline \text { Scheduled receipts } & & & & & & & & \\\hline \text { Projected ending } & & & & & & & & \\\hline \text { Inventory } & & & & & & & & \\\hline \text { Net Requirements } & & & & & & & & \\\hline \text { Planned Receipts } & & & & & & & & \\\hline \text { Planned Orders } & & & & & & & & \\\hline\end{array}$

There are six jobs that are awaiting processing at a machining center. The jobs are shown in the table with their processing time and scheduled completion time. Schedule the jobs by earliest due date and the critical ratio rule and calculate average lateness for all the jobs. Which scheduling technique performs BEST? $\begin{array} { | c | c | c | } \hline \text { Job } & \text { Process Time } & \text { Due Time } \\\hline \text { A } & 12 & 25 \\\hline \text { B } & 8 & 32 \\\hline \text { C } & 15 & 40 \\\hline \text { D } & 10 & 15 \\\hline \text { E } & 20 & 27 \\\hline \text { F } & 17 & 46 \\\hline\end{array}$

Given the forecast and booked orders shown in the table, and a beginning inventory of 0, what is the available to promise inventory for period 3? There are no LOT quantity constraints. $\begin{array} { | l | c | c | c | c | } \hline \text { Period } & 1 & 2 & 3 & 4 \\\hline \text { Forecasted Demand } & 100 & 100 & 90 & 90 \\\hline \text { Booked Orders } & 103 & 87 & 54 & 21 \\\hline \text { Projected ending inventory } & & & & \\\hline \text { Master production schedule } & & & & \\\hline \text { Available to Promise } & & & & \\\hline\end{array}$

The table shows a master schedule for end item Z that is produced according to the product structure tree shown below. Beginning inventories and lead times for components of Z are given in the table. The lot sizes for A, B, and C are 100 units and an L4L rule for E. Complete a materials requirement plan for components A, B, and C. $\begin{array} { | l | c | c | c | c | c | c | } \hline \text { Period } & 1 & 2 & 3 & 4 & 5 & 6 \\\hline \text { MPS Qty } & 0 & 0 & 0 & 250 & 275 & 275 \\\hline\end{array}$ $\begin{array} { | l | c | c | c | c | c | } \hline \text { Component } & \text { A } & \text { B } & \text { C } & \text { D } & \text { E } \\\hline \text { Lead Time } & 1 & 2 & 2 & 2 & 1 \\\hline \text { Beginning Inv } & 50 & 75 & 100 & 15 & 40 \\\hline\end{array}$

Determine a schedule for these jobs using the critical ratio criterion and calculate the average lateness. Then develop an earliest due date sequence and calculate average lateness. $\begin{array} { | c | c | c | } \hline \text { Job } & \text { Process Time } & \text { Due Date } \\\hline \text { Job 1 } & 15 & 23 \\\hline \text { Job 2 } & 7 & 15 \\\hline \text { Job 3 } & 12 & 34 \\\hline \text { Job 4 } & 17 & 28 \\\hline \text { Job 5 } & 11 & 27 \\\hline\end{array}$

-According to the table above.What is the planned order for whiskers in Week 2?

A time-phased planning approach that uses planned orders at the point of demand to determine forecasted demand at the source level is:

Using this MRP record and a lead time of 3 weeks, what should the planned orders be in week 1? $\begin{array} { | l | c | c | c | c | c | } \hline & 1 & 2 & 3 & 4 & 5 \\\hline \text { Gross Requirements } & & & 400 & 500 & 300 \\\hline \text { Scheduled receipts } & 0 & 0 & 0 & 0 & 0 \\\hline \text { Projected ending Inventory } & 100 & 100 & & & \\\hline \text { Net Requirements } & & & & & \\\hline \text { Planned Receipts } & & & 300 & & \\\hline \text { Planned Orders } & & & & & \\\hline\end{array}$

Consider the product structure tree shown below: With a beginning inventory of ten for all components on level one, five for all components on level two, and zero for all components on level three and finished items, how many assembly E's are needed to produce 20 product X's?

With an inventory as shown in the table, how many assembly E's should be produced or purchased to produce 15 product X's with this product structure tree? $\begin{array} { | l | c | c | c | c | c | c | } \text { Item } & \mathrm { X } & \mathrm { A } & \mathrm { B } & \mathrm { C } & \mathrm { D } & \mathrm { E } \\\hline \text { Inventory } & 5 & 15 & 20 & 8 & 6 & 17 \\\hline\end{array}$