IE 424/524 Spring 2022 Instructions: This examination has three or four questions of equal point value. Please answer th

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IE 424/524 Spring 2022 Instructions: This examination has three or four questions of equal point value. Please answer three questions (IE 424) or four questions (IE 524). This examination is open book and notes. You must do your own work. Show all work to insure partial credit. If you use a computer, explain all calculations carefully 1. Valles Galactic Industries (VGI) is developing a new automobile for urban exploring. The VGI VaRarido is shown in exploded view on the next page. Some facts about the product: Body Shell Purchase from Pininfarina, Italy and 8 weeks delivered by ship plus two weeks shipping Tires Michelin Engine Assembled at VGI Engines, Del Rio TX. 6 weeks Engine Electric Parts Purchased and then assembled in house Average = 8 two weeks before chassis assembly. weeks Cylinder Block Manufactured at VGI Engines, Del Rio TX. 2 weeks Trim Made in house from purchased materials. 1 week Any raw materials Purchased six-month supply at a time. Scheduled with vendors Electrical parts Ordered six months ahead from vendor. Scheduled with vendors
a) VGI believes they can sell 175,000 VaRapidos a quarter over the next three years increasing by 25,000 a quarter after one year. Develop a master production schedule. b) Develop a structured bill of material for the VaRapido, c) When is the earliest VGI can actually deliver a car to one of the VGI dealerships if final assembly and test takes two weeks? Assume Monday, May 2, is day 1 of starting to order components. d) Final assembly is done at the VGI plant located in El Segundo, CA. Currently, electrical parts (ordered from various manufacturers in east Asia) are running six to nine months delivery behind schedule. What might VGI do to address this problem?
Body Shell Electrical System Trim Engine Chassis System Fueling, Exhaust and Turbo Cylinder Head Assembly Cylinder Block Accomhle Engine Electrics
2. Another division of Valles Galactic Industries (VGI) is getting ready to market their internet- based party planning service. One of the menu items is a kabob. The kabob was designed to have four vegetable chunks and three chunks of protein: beef, chicken, shrimp or tofu. On average, any vegetable will yield 5 chunks suitable for a kabob. One of any ten vegetables will be of poor quality and cannot be used. In presenting a menu and budget to a party-thrower, VGI recommends two kabobs per person. A) How should VGI plan their kabob assembly? Develop a sketch of the workplace. B) For a 200-attendee party, how many vegetables must be purchased? C) VGI also offers a statistical modeling program that prevents food waste. They have data that recommends a mean number of party attenders as well as metrics on variability. Imagine you are planning an event with VGI. They suggest the number of party-attenders for a 200 person party estimate is actually distributed N(150, 1225). They also recommend using a probability of 90 percent for attendees. If VGI charges a customer $135 per attendee, how much does their recommendation save? D) Referring to C above, would you take their recommendation? Why or why not? I 3. Please do problem 9-41 from your text. 4. IE 524 students only: The SohnCo Baby Products Division plant in lowa City, IA has two CNC machines that must be scheduled. In any given day, there are six jobs that require sequencing. For some unknown reason, jobs must go to machine 2 before machine 1. Wolverine Rattle 1.2 1.9 Hawkeye Rattle 2.3 Buckeye Mobile .8 3.2 Cyclone Bottle .5 1.2 Badger Mobile 1.45 2.4 Gopher Bottle 2.8 3.7 Machine 1 Machine 2 .9 Develop the sequence that will minimize the total time required to finish all jobs.