How many workstations are required by your design? A. 7 B. 5 C. 4 D. 6 E. 3
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A company needs to design an assembly line to produce portable electric generators. They plan to use the assembly-line 6 hours each day to produce 2160 generators daily. The following table describes the tasks involved in the assembly of portable electric generator:
IMMEDIATE
TASK PREDECESSORS TIME (seconds)
==== =========== ==============
a none 3
b none 5
c a,b 6
d none 7
e c,d 9
Use the Longest Processing Time Rule (LPT) to design this assembly line.
How many workstations are required by your design?
A. | 7 | |
B. | 5 | |
C. | 4 | |
D. | 6 | |
E. | 3 |
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- Esc Hg Time: 1 hour, 51 minutes, 08 seconds. * Question Completion Status: 1 2 3 4 5 6 7 8 9 10 12 13 14 15 16 17 18 31 32 19 20 21 22 23 24 25 26 28 29 30 A Moving to another question will save this response. Question 16 of 32 Question 16 1 points Save Answer CASE: The correct implementation of new product development process helps minimize the risk of product failure. When Netflix wanted ideas for improving the accuracy of its Cinematch online recommendation system, it decided to "open it up to the world," promising a $1 million prize for the best solution. QUESTION: Identify the idea generation tool used by Netflix in this example. *** For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac). BIUS Paragraph V AV V Ix V L %0 V System Font V 12pt 8 C FS BI A+ F3 B ! 1 F1 @ F2 F4 2 TW 11 الالالال ER F6 T 6 F7 Y & 17 F8 * U 8 F9 ( F10 9 27 - F11 0 POWERED BY TINY PriSc F12 P 1 Inse3 = noito This work cell will produce 617 units per day (8h x 60 m x 60 se) / 46.67 = 617 Takt time = 140/3 = 46.67 Copyright © 2017 Pearson Education, Ltd. Takt time design Creating plate printing cutting packaging Example: 100 Al-Nojoom Company for advertising has identified the following operations as necessary for the work cell for producing color posters. The customer expects delivery 1000 poster per day, and the work day 10 hours. 1. What is the takt time? Copyright © 2017 Pearson Education, Ltd. 2. How many employees are required? 3. If the number of employees assumed to be 9 employees. Find the quantity of products they able to produce. 4. If the work cell has 4 employees find the Total work time by hours needed to produce 600 units with the same operational time. operation Standard time 21.01 unitnos (min) 1.1 0.9 .75 1.25 1 9-33 sill nG a super 9-347-383 A plant manager needs a design for an assembly line to assembly a new product that is being introduced. The time requirements and immediate predecessors for the work elements are as follows: Work Element Time (sec) Immediate Predecessor A 12 – B 60 A C 36 – D 24 – E 38 C, D F 72 B, E G 14 – H 72 – I 35 G, H J 60 I K 12 F, J Total = 435 1.If the desired output rate is 30 units per hour, what are the cycle time and theoretical minimum? 2.Suppose that we are fortunate enough to find a solution with just four stations. What is the idle time per unit, efficiency, and the balance delay for this solution?
- Assume that General Dynamics, which manufactures high-technology instruments for spacecraft, is considering the sale of a navigational unit to a government agency in India that wishes to launch its own communications satellite. The government agency plans to purchase 8 units, although it would also consider buying 16 units. General Dynamics has started a chart relating labor time required to units produced. Unit Produced (X) Time Required toProduce the Xth Unit 1 10,000 hours 2 8,000 hours 4 6,400 hours 8 ? 16 ? Required: a. Compute the labor time required to produce 8 and 16 units.b. Assume that labor time costs $125 per hour. Compare the cost of producing the 1st unit to the cost of producing the 16th unit. What is the percentage of the cost of the 16th unit to the cost of the 1st unit?Weighted-Average Method Arsenio Company manufactures a single product that goes throughtwo processes, mixing and cooking. The following data pertain to the mixing department for August:[LO 6-2, 6-5][LO 6-2, 6-3, 6-4]Work-in-Process Inventory, August 1Conversion: 80% complete 34,000 unitsWork-in-Process Inventory, August 31Conversion: 50% complete 30,000 unitsUnits started 66,000Units completed and transferred out ?CostsWork-in-Process Inventory, August 1Material X $ 64,800Material Y 88,100Conversion 119,880Costs added during AugustMaterial X 152,700Material Y 135,900Conversion 305,120Material X is added at the beginning of work in the mixing department. Material Y is also added in themixing department, but not until units are 60% complete with regard to conversion. Conversion costs areincurred uniformly during the process. The company uses the weighted-average cost method.Required1. Calculate the equivalent units of material X, material Y, and conversion for the mixing department.2.…21. Given the following list of machines, the standard deviation for their output, and specification half-width for the job that may be processed on that machine, using C determine which machines are capable of performing the given jobs. LO3 Machine 001 002 003 004 005 Standard Deviation (cm) 0.02 0.04 0.10 0.05 0.01 Job Half-Width Specification (6 cm) 0.05 0.07 0.18 0.15 0.04
- Please do whole question with all parts done correctly Farmer John sells fruit and vegetables at a farmer’s market in the middle of a city. He is bringing tomatoes to the city for this weekend’s farmer’s market. The tomatoes are very ripe and, therefore, he will need to sell the tomatoes at the farmer’s market and then have to discard any that were not sold. However, there is a cost to the farmer to bring tomatoes into the city for the farmer’s market. In particular, it costs the farmer $1.75 per case of tomatoes to prepare them and bring them to the market. Farmer John can sell each case for $4.5. Farmer John estimates that he will be able to sell 12, 13, 14, or 15 cases of tomatoes at the farmer’s market. Based on historical sales, he believes that the probabilities of being able to sell 12, 13, 14, and 15 cases are 0.1, 0.3, 0.4, and 0.2, respectively. (a) Develop a decision analysis formulation of this problem by identifying the decision alternatives, the states of nature,…Data Products, Inc., packages and distributes a variety ofpersonal computer-related products. A time study hasbeen conducted for a job packaging 3.5-inch personalcomputer diskettes for shipment to customers. The jobrequires a packager to place 20 diskettes in a rectangularplastic bag, close the bag with a twist tie, and place thefilled bag into a bin, which is replaced by another workerwhen it is filled. The job can be broken into four basic elements. The elemental times (in minutes) were ob-tained from the time study for 10 job cycles shown in the following table. a. Using an allowance factor of 16%, determine the stan-dard time for this job. b. Determine the number of cycles for this time studysuch that the company would be 95% confident that theaverage time from the time study is within 4% of thetrue average cycle time.b) A company receives parts from suppliers to be used in its manufacturing departments. The quality control department must perform two operations when shipments are received: Operation A – draw a random sample, package, and deliver to testing; and Operation B – test the materials and issue a disposition report. There are currently six shipments waiting to be processed. The time estimates for processing these six shipments through quality control are given in the table below. Shipment Operation A (hours) Operation B (hours) A 1.5 1.0 В 1.1 2.7 1.2 1.4 D 0.7 1.6 E 1.6 1.5 F 1.9 2.9 Use Johnson's Rule to set the sequence of processing the shipments through Quality Control. i. ii. How much total time is required to process all the six shipments through Quality Control? Show all times on a Gantt Chart. w lu
- 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.I am having trouble answering question 4. Here is the data and the question. Can you hep me in any way possible?Eng. Samer, the director of software development department at SUC, in the process of designing a program that the students can use easily in the job-finding process. In the table below you can find the activities required to program the mentioned software: ID description Predecessor optimistic time most likely time pessemestic time crash time normal cost crash cost A System analysis None 2 4 6 3 2000 2400 B system design None 1 2 3 1 2200 2800 C subsystem design None 1 2 9 3 500 500 D programming A 3 7 17 4 2300 2600 E documentation C 4 6 8 3 900 1200 F subsystem test D,B,E 1 2 9 2 3000 4200 G integration test F,E 2 4 6 2 1400 2000 Draw project Network plan (diagram), and identifying all possible paths.