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Exam 9: Layout Strategies

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Question 61

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An assembly line consists of 158 tasks grouped into 32 workstations.The sum of all task times is 105 minutes.The largest assigned cycle time is 4 minutes.What is the efficiency of this line?

A) 8 percent
B) 21 percent
C) 82 percent
D) 100 percent
E) 81 percent

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Question 62

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A hospital's layout most closely resembles which of the following?

A) product oriented
B) work cell
C) job shop
D) project
E) retail

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Question 63

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A(n)________ groups workers,their equipment,and spaces/offices to provide for comfort,safety,and movement of information.

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

Assembly line balancing has just been used to solve a product layout problem.Two solutions look especially attractive to the plant managers.Both solutions make the same output per day,and both have the same number of workstations.The managers were going to break the tie by looking at line efficiency,but discovered that both lines had the same efficiency as well.Should they have been surprised at this? Explain.

For which of the following operations would a fixed-position layout be MOST appropriate?

An assembly line has been designed to make battery-powered beverage mixers.Task details are shown in the table below: a.What is the assigned cycle time (in minutes)? b.What is the maximum output rate of this line in mixers per hour? c.What is the total idle time per cycle? d.What is the assembly line's efficiency?

The layout approach that addresses trade-offs between space and material handling is called the fixed-position layout.

A process layout problem consists of 4 departments,each of which can be assigned to one of four rooms.The number of different solutions to this problem is ________,although all of them may not have different material handling costs.

Identify the seven fundamental layout strategies.Describe the use of each one very briefly.

Which of the following is TRUE of random stocking?

The typical goal used when developing a process-oriented layout strategy is to:

You have been asked to balance a flow shop assembly operation to achieve an output rate of 80 units per eight-hour day.Task times and precedence relationships are shown in the table below. a.Draw the precedence diagram. b.Determine the desired cycle time. c.Determine the theoretical minimum number of stations needed. d.Balance this line using the most following tasks heuristic. e.What is the efficiency of the line obtained in part d?

Which of the following is NOT one of McDonald's "seven major innovations"?

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?

Which of the following is NOT a heuristic rule for assigning tasks to workstations in a product layout?

In what specific areas does the layout decision establish a firm's competitive priorities?

Cycle time is the maximum time that the product is allowed at each workstation.

The minimum number of workstations depends upon the set of task times and the precedence chart,but not the number of units scheduled.

A firm is planning to set up an assembly line to assemble 40 units per hour,and 57 minutes per hour are productive.The time to perform each task and the tasks that precede each task are contained in the following table. (a)Draw a network diagram of precedence relationships. (b)Compute the required cycle time per unit in minutes. (c)Compute the theoretical minimum number of workstations required to produce 40 units per hour. (d)Balance this line using the longest processing time heuristic. (e)What is the efficiency of the line obtained in part d?