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Exam 8: Facility and Work Design

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Question 1

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An assembly line with 28 activities is to be balanced. The total amount of time required for all 28 activities is 39 minutes. The line will operate for 450 minutes per day. What must the cycle time be to achieve an output rate of 400 units/day?

A) 1.39 minutes
B) 11.54 minutes
C) 1.125 minutes
D) 0.89 minutes

E) C) and D)
F) None of the above

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Question 2

Multiple Choice

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All of the following are common objectives of layout studies except

A) Minimize delays in materials handling and customer movement
B) Minimize the number of workstations
C) Provide for good housekeeping and maintenance
D) Maintain flexibility

E) B) and D)
F) None of the above

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Question 3

Multiple Choice

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____ classifies parts into families so that cellular layouts can be effectively used.

Facility layout is not only concerned with the arrangement of physical facilities, but also the material handling capabilities within the facility.

Which of the following is not a disadvantage of virtual teams?

Because of precedence relationships, assembly-line efficiencies will generally be very high.

Discuss the advantages and disadvantages of utilizing virtual teams.

Explain assembly line balancing. Discuss the three types of information needed to balance an assembly line.

Self-managed teams perform entire jobs, rather than specialized assembly-line work.

All of the following are limitations to process layout except

The nine tasks necessary to assemble a vacuum cleaner are listed below. The time to perform each task and the tasks that must immediately precede are also listed. 300 vacuums are needed per hour and 50 minutes per hour are productive. a.Compute the cycle time per unit in minutes. b.Compute the minimum number of workstations required. c.Use the longest-task-time heuristic to balance the production line. d.Compute the efficiency of the assembly line.

A ____ layout consists of a functional grouping of equipment or activities that do similar work.

Differentiate between a "flow blocking delay" and a "lack of work delay." How can each be reduced?

A(n) ____ performs entire jobs rather than specialized, assembly line work.

A product requires the following tasks to make it on an assembly line. Assume 7.6 hours per workday and 5 workdays per week. a.Using only the information given, what would be the maximum output per day that can be achieved? b.Assume that the activities have been assigned to five workstations. What is the line efficiency for a cycle time of 40 seconds?

____ set their own goals and inspect their own work, often hire their own replacements and prepare their own budgets.

Cellular layouts are designed according to the functional characteristics of equipment much in the same fashion as process layouts.

Cycle time in assembly line balancing is the maximum amount of time it takes to process a part at some workstation along the line.

The production of large goods such as airplanes is best accomplished using a ____ layout.

An assembly line with 28 operations is to be balanced. The total amount of time required for all 28 operations is 39 minutes. The longest operation takes 2.2 minutes and the shortest takes 0.8 minutes. The line will operate for 450 minutes per day. a.Determine the minimum and maximum cycle time. b.What is the maximum output rate that this assembly line can achieve? c.What is the output rate if the cycle time is set at 2.2 minutes?