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Exam 9: Layout Strategies

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Question 71

True/False

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A fabrication line and an assembly line are both types of repetitive and product-focused layout, but only the fabrication line utilizes workstations.

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Question 72

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Four hundred and eighty minutes of production time are available per day. The schedule calls for the production of 80 units per day. Each unit of the product requires 30 minutes of work. What is the theoretical minimum number of workstations?

A) 2
B) 3
C) 4
D) 5
E) 6

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Question 73

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The flow and distance data in the table below were input into a layout software program, and solved by "pairwise comparison." That solution called for assignments A-4, B-1, C-3, and D-2, with a total movement of 2430. Verify that result. Is that solution optimal? Can you offer an improved solution? What is the total movement of your alternate solution?

Which of the following is not an advantage of work cells?

Retail layouts thrive on the notion that

Explain what the purpose of assembly line balancing is. Describe briefly how it is done. Explain how assembly line balancing supports the needs of product layout.

What are the advantages of focused factories?

The balancing of work cells uses the same procedures as the balancing of an assembly line.

Which of the following is not one of the requirements of cellular production?

Why do work cells increase the use of equipment and machinery?

Four hundred and eighty minutes of production time are available per day. Scheduled production is 120 units per day. What is the required cycle time?

One guideline for determining the arrangement and space allocation of a retail store is to place high-impulse and high-margin items such as housewares and beauty aids in prominent locations.

An electronics manufacturer makes remote control devices for interactive-cable-TV systems. The following assembly tasks must be performed on each device. a. Draw the precedence diagram for this problem. b. What is the sum of the task times? c. What cycle time will allow the production of 200 units over a ten-hour day? d. What is the theoretical number of workstations needed? e. Balance this assembly line using the heuristic most following tasks and the heuristic longest operation time. f. How do these two solutions differ? Which do you prefer; why?

A facilities manager at a company headquarters once said, "I'd like to use Muther's office relationship chart or the load-distance model to solve our layout problems, but neither tool can optimize. I want the best layout possible." Discuss.

One drawback of a product-oriented layout is that work stoppage at any one point ties up the whole operation.

Which of the following is a common heuristic for assembly line balancing?

Product-oriented layouts tend to have high levels of work-in-process inventories.

If a layout problem is solved by use of "heuristics," this means that

"A special arrangement of machinery and equipment to focus on production of a single product or group of related products" describes what layout type?

An airport is trying to balance where to place three airlines. The distance between terminals and the number of trips that travelers make between airlines per day are listed. Find the assignment that minimizes the distance travelers must walk.