Using the FCFS rule for scheduling, the sequence is 1-2-3 3-2-1 1-3-2 2-1-3 2-3-1 3-1-2 Sunny Park Tailors has been asked to make three different types of wedding suits for separate customers. The table below highlights the time taken in hours for cutting and sewing (process 1) and delivery (process 2) of each of the suits. Times Taken for Different Activities (hours) Cut and Sew Suit 1 2 3 4 7 Deliver 2 7 5 Assume that orders for suits have been listed in the above table in the order in which they were received
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- Three products go through a two step process of pre-production and final assembly. The processing time is given in hours for each of the three products through the two processes is given in the table below. Using Johnson's rule, determine the sequence of the products through the production facility, and the completion time for pre-production and final assembly for the three products. Product Pre-Production Final Assembly A 4.1 3.6 B 2.5 3.8 C 4.9 4.3 Production sequence (letters only, no blanks or other separators): Pre-production end time (one decimal place): Final assembly completion time (one decimal place):A company is setting up an assembly line to produce 90 units per hour. The table below identifies the work elements, times, and immediate predecessors. Work Element Time (Sec.) Immediate Predecessor(s) A 25 - B 18 A C 20 A D 5 B, C E 12 C F 8 E G 16 D, F H 12 G Use one of the heuristic decision rules described in Table below to balance the assembly line so that it will produce 90 units per hour. Clearly state the decision rule you use and complete the below table using the selected rule. Decision Rule Logic Longest work element Picking the candidate with the longest time to complete is an effort to fit in the most difficult elements first, leaving the ones with short times to “fill out” the station. Shortest work element This rule is the opposite of the longest work element rule because it gives preference in workstation assignments to those work elements that are quicker. It can be tried…William Beebe owns a small shoe store. He has 10 pairs of shoes that requireresoling and polishing. He has a machine that can resole one pair of shoes at atime, and the time required for the operation varies with the type and condition of theshoe and the type of sole that is used. Shoes are polished on a machine dedi-cated tothis purpose as well, and polishing is always done after resoling. His assistant generally does the polishing while Mr. Beebe does the resoling. The resoling and polishingtimes (in minutes) are Shoes Resoling Time Polishing Time1 14 32 28 13 12 24 6 55 10 106 14 67 4 128 25 89 15 510 10 5In what order should the shoes be repaired in order to minimize the total makespanfor these 10 jobs?
- A process improvement team is working to improve the production output at the Johnson Manufacturing plant’sHeader Cell that manufactures a key component, headers, used in commercial air conditioners. A header is partof the circulatory system of a commercial air conditioner that moves coolant between various components suchas the evaporator coil and the condenser coil. Currently, the header production cell is scheduled separately fromthe main work in the plant. Often, individual headers are not sequenced to match the product they go into on thefinal assembly line in a timely fashion, and so the product can sit in queue waiting for a headerList the four criteria for determining the effectiveness of ascheduling decision. How do these criteria relate to the fourcriteria for sequencing decisions?Sunny Park Tailors has been asked to make three dif-ferent types of wedding suits for separate customers. The table below highlights the time taken in hours for (1) cutting and sewingand (2) delivery of each of the suits. Which schedule finishes sooner:first come, first served (123) or a schedule using Johnson’s rule?Times Taken for Different Activities (hours)SUIT CUT AND SEW DELIVER14 227 736 5
- How do scheduling activities differ for projects, mass pro-duction, and process industries?Using the FCFS rule for scheduling, the sequence is Sunny Park Tailors has been asked to make three different types of wedding suits for separate customers. The table below highlights the time taken in hours for cutting and sewing (process 1) and delivery (process 2) of each For the schedule developed using the FCFS rule, the total length of time taken to complete the three suits (including of the suits. delivery) = hours (enter your response as a whole number). Times Taken for Different Activities (hours) Deliver Suit Cut and Sew Using Johnson's rule for 2-machine scheduling, the sequence is 1 2. For the schedule developed using the Johnson's rule, the total length of time taken to complete the three suits 3 (including delivery) = hours (enter your response as a whole number). Assume that orders for suits have been listed in the above table in the order in which they were received. Of the two developed schedules, V rule gets the schedule finished sooner.1 Cara's clients, Emily and Dave, have just had a baby and she would like to do something nice for them. She signs them up for a baby registry that sends them a small gift. Emily and Dave will be sent information and service lists that are geared toward helping new parents. She provided their names, address and phone numbers so that they will not miss any of the activities provided in the package. Has Cara dealt with her clients appropriately? NUYLOTNQhObm1bEVKUTO90 a0 Cara did not protect her clients' privacy when she shared their personal information with the baby registry. O Cara should not make this a regular practice. Her clients will begin to expect gifts and she will not be able to sustain this. CO Cara should have set up an appointment to re-evaluate her clients' needs now that they have had a baby. 40 Cara's gift is very thoughtful and will help to build a relationship with her clients. NUTYks10TNRUQ2h0bmkbEVKUTO90
- What is the aim of a scheduling planning and monitoring system?5. During the construction of a house, six joists of 24 ft each must be trimmed to the correct length of 23 ft. The operations for cutting a joist involve the following sequence: Operation 1. Place joist on saw horses 2. Measure correct length (23 ft) 3. Mark cutting line for circular saw 4. Trim joist to correct length 5. Stack trimmed joist in a designated area Time (seconds) 15 5 5 20 20 Three persons are involved: Two loaders must work simultaneously on operations 1,2, and 5, and one cutter handles operations 3 and 4. There are two pairs of saw horses on which untrimmed joists are placed in preparation for cutting, and each pair can hold up to three side-by-side joists. Suggest a good schedule for trimming the six joists.Describe scheduling needs in job shops.