There are six wires which need to be attached to a circuitboard. A robotic device will attach the wires. The wires can beattached in any order, and the production manager wishes todetermine which order would be fastest for the robot to use.Use the multiplication rule of counting to determine thenumber of possible sequences of assembly that must betested. (Hint: There are six choices for the first wire, five for thesecond wire, four for the third wire, etc.)

An assembly sequence refers to the particular way in which components or parts are assembled to form…

Answered: There are six wires which need to be…

Practical Management Science

6th Edition

ISBN:9781337406659

Author:WINSTON, Wayne L.

Publisher:WINSTON, Wayne L.

Chapter2: Introduction To Spreadsheet Modeling

Section: Chapter Questions

Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...

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c) Compute the net quantities needed if there are 25 of the base and 75 of the clamp in stock. Base: ? Spring: ? Clamp: ? Housing: ? Handle: ? Casting: ? Bearing: ? Shaft: ?
Suppose a final assembly is produced by assembling two components. THE The first component, A, is produced internally and goes through three process steps, which are stamping, forging and machining, with scrap estimates of 10%, 15% and 25%, respectively. For every three produced units of component A, two are used in the final assembly and one is separate to meet spare parts needs. The second component, B, which is used exclusively in final assembly, is purchased from a supplier external and inspected on arrival; 2% do not pass inspection. A unit of the component purchased is required for each final assembly. The final assembly process produces 5% of scraps. Spare parts demands for component A and final Su assembly match to 1,000 and 5,000 units, respectively. How many input units are needed for produce component A, and how many units of component B should the firm buy?
(a) T. Smunt Manufacturing Corp. has the process displayed below. The drilling operation occurs separately from and simultaneously with the sawing and sanding operations. The product only needs to go through one of the three assembly operations (the assembly operations are "parallel"). ASSEMBLY SAWING SANDING 78 min/unit 15 min/unit 15 min/unit WELDING ASSEMBLY DRILLING 25 min/unit 78 min/unit 27 min/unit ASSEMBLY 78 min/unit 1. Which operation is the bottleneck? 2. What is the throughput time for the overall system? 3. If the firm operates 8 hours per day, 22 days per month, what is the monthly capacity of the manufacturing process? 4. Suppose that a second drilling machine is added, and it takes the same time as the original frilling machine. What is the new bottleneck time of the system? 5. Suppose that a second drilling machine is added, and it takes the same time as the original drilling machine. What is the new throughput time?
This four-step process loop is termed a machine cycle. Most individuals prioritise which machine cycle factors? Should I worry about replacing worn machine cycle parts? Can increasing the number of modules simplify switching between them?
Box plots – Analyze each of these cycle time data but on the same chart: C7, C8, C9. That means one chart showing three different box plots, with a single conclusion which addresses all three.
A U.S. Postal Service supervisor is looking for ways to reducestress in the sorting department. With the existing arrange-ment, stamped letters are machine-canceled and loaded intotubs with 375 letters per tub. The tubs are then pushed topostal clerks, who read and key zip codes into an automatedsorting machine at the rate of 1 tub per 375 seconds. To over-come the stress caused when the stamp canceling machineoutpaces the sorting clerks, a pull system is proposed. Whenthe clerks are ready to process another tub of mail, they willpull the tub from the canceling machine area. How manytubs should circulate between the sorting clerks and thecanceling machine if 90,000 letters are to be sorted during an8-hour shift, the safety stock policy variable, a, is 0.18, andthe average waiting time plus materials handling time is25 minutes per tub?
What kind of information is stored in the various fields of a process control block?
JCL Inc. is a major chip manufacturing firm that sells its products to computer manufacturers like Dell, Gateway, and others. In simplified terms, chip making at JCL Inc. involves three basic operations: depositing, patterning, and etching. • Depositing: Using chemical vapor deposition (CVD) technology, an insulating material is deposited on the wafer surface, forming a thin layer of solid material on the chip. Patterning: Photolithography projects a microscopic circuit pattern on the wafer surface, which has a light-sensitive chemical like the emulsion on photographic film. It is repeated many times as each layer of the chip is built. • Etching: Etching removes selected material from the chip surface to create the device structures. The table below lists the required processing times and setup times at each of the steps. There is unlimited space for buffer inventory between these steps. Assume that the unit of production is a wafer, from which individual chips are cut at a later…
Quasi-Tech Corporation produces specially machined parts. The parts are produced in batches in one continuous manufacturing process. Each part is custom produced and requires special engineering design activity (based on customer specifications). Once the design is completed, the equipment can be set up for batch production. Once the batch is completed, a sample is taken and inspected to see if the parts are within the tolerances allowed. Thus, the manufacturing process has four activities: engineering, setups, machining, and inspecting. Costs have been assigned to each activity using direct tracing and resource drivers as follows: Activity Expected Cost Activity Driver Activity Capacity Engineering $1,000,000 Engineering hours 5,000 hours Setups 900,000 Setups 200 setups Machining 2,000,000 Machine hours 25,000 machine hours Inspection 800,000 Inspection hours 2,500 inspection hours Quasi-Tech produces two models: Model C and Model D. The following table…
These four phases make up a machine cycle, which is also known as a process loop. What percentage of a machine's cycle time do you value the most? Should I be concerned about replacing parts of the machine cycle when they wear out? Does the implementation of a second module resolve the problem of toggling between them?
Using the given information, calculate the gross requirementsfor each of the components when the company plans to build100 of its Q Models if you have these inventories: 150 units ofcomponent T and 200 units of component R
The assembly time of a certain mechanism is a v.a. uniform in the range of 30 to 60 seconds. Determine:a. The expected time (in hours) to assemble 9000 parts

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