Connect_5_Tophat_5

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Industrial Engineering

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Feb 20, 2024

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Jon B Stone COB Operations Connect 5 Which of the following is not a step required to make a good? Decoupling Which of the following is an example of a product made with a project layout? House Which of the following is not used in a break-even calculation? Overhead Costs Identify the following tool. Process Flowchart Which of the following describes the step where parts are procured from one of more suppliers? Sourcing A _____________ layout is sometimes referred to as a job shop. Workcenter The higher the fixed cost, the ____________ the break-even volume. Higher Which of the following is not a production management tool used in planning and designing manufacturing process flow? Control Charts The customer order ______________ point determines where inventory is positioned to allow processes or entities in the supply chain to operate independently. Decoupling A ____________ layout is where similar equipment or functions are grouped together, Workcenter Identify the following tool. Assembly Chart

A standard approach to choosing among alternative processes or equipment that uses fixed costs, variable costs, and revenue is known as Break-Even Analysis The higher the per unit revenue, the ______________ the break-even volume. Lower Which of the following is not used in a break-even calculation? Overhead Cost Jon B Stone COB Operations TopHat5 For the same product if make-to-stock environment is used instead of make- to-order, inventory investment will be TYPICALLY higher BECAUSE: Finished goods are more expensive than raw materials The positioning of inventory in the supply chain to fulfill customer order may vary depending on the specific situation. Which of the following(s) may be USUALLY TRUE? As order decoupling point moves toward upstream side of supply chain, inventory investment goes down See the Exhibit on Positioning Inventory in the Supply Chain In which of the following processes, similar equipment or functions are grouped together? Job Shop Where should be the following items placed in the product/process matrix? Large Scale Sugar Production Continuous Process Production of drugs Batch Appliance Repair Job Shop Shopping Mall Construction Project See the recorded lecture/ slides Match the terms with correct description / phrases Product Oriented Layout or Flow Shop Jobs are processed through a series of progressive steps to make product

Process Oriented Layout or Job Shop Jobs may flow in ZigZag fashion from one functional area to another in the facility Cellular Layout or Hybrid Approach Different types of equipment are placed sequentially in multiple U-shaped mini assembly line type setups and each setup handles similar products See the recorded lecture/ slides/ textbook In a work center, machine A has a 10-minute set-up time per batch and a 2- minute per unit run time. Machine B performs the identical function but has a set-up time of 30 minutes and a 1-minute run time per unit. The work center makes products in batches ranging from 1 unit to 100 units. Assuming capacity is not a limitation on either machine, in order to minimize the total processing time, on which batches should machine B be used? Batches of more than 20 units should be run on Machine B Total processing time for a batch of size Q: In Machine A: 10 + 2Q. In Machine B: 30 + 1Q. Point of indifference is where 10 + 2Q = 30 + Q or Q = 20. That is, for batches of size less than 20, total processing time is smaller in Machine A and for batches of size greater than 20, total processing time is smaller in Machine B. Hence, batches of more than 20 units should be run on machine B (2nd option). A credit union branch is considering to introduce one of the following 3 loan application systems. System Fixed Cost ($) Variable Cost ($/applicant) System 1 6,600 0.85 System 2 5,000 1.10 System 3 6,000 1.00 Each system has a service life of 4 years. How will the branch manager will take decision based on number of applicants (in next four years)? Please check ALL the correct answer(s). NOTE: Ignore time value of money for this analysis. If number of applicants is less than 6400 select System 2 If number of applicants is more than 6400 select System 1 Never select System 3 Breakeven point between system 1 & 2 6,600 + 0.85 U = 5,000 + 1.10 U U = 6,400 Applicants < 6,400=> select System 2

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Applicants > 6,400 => select System 1 Breakeven point between system 2 & 3 5,000 + 1.10 V = 6,000 + 1.00 V V = 10,000 Applicants < 10,000 => select System 2 Applicants > 10,000 => select Systems 3 Breakeven point between system 1 & 3 6,600 + 0.85 W = 6,000 + 1.00 W W = 4,000 Applicants < 4,000 => Select System 3 Applicants > 4,000 => select System 1 If we put the above 3 solutions together: System 1: # applicants > 6,400, # applicants > 4,000 System 2: # applicants < 6,400, # applicants < 10,000 System 3: # applicants > 10,000, # applicants < 4,000 If we analyze the constraints from above 3 solutions: System 1: # applicants > 6,400, # applicants > 4,000 (REDUNDANT) System 2: # applicants < 6,400, # applicants < 10,000 (REDUNDANT) System 3: # applicants > 10,000, # applicants < 4,000 (NOT FEASIBLE) Decision: If number of applicants is less than 6400, select System 2 If number of applicants is more than 6400, select System 1 If number of applicants is exactly 6400, select either System 1 OR 2 (INDIFFERENT). Thus, options # 2, 4, and 6 are CORRECT. Adapted from Textbook / Chapter 05 / Problem 16 How many finished goods may be produced in an eight-hour shift? 640 units Since inventory is not allowed to build, the system needs to be PACED and each station will need to finish its portion within the given time. Here, the slowest station in Station B (0.75 min) and it is the bottleneck. Each station will need to be given 0.75 min so that all the stations are in sync or are PACED. Thus, cycle time is 0.75 min. Every 0.75 min ONE unit will be completed. In an hour or 60 minutes 60/0.75 = 80 units will be completed. In in an eight-hour shift 80 x 8 = 640 units will be completed.

Connect_5_Tophat_5

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