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Exam 6: Process Selection and Facility Layout

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Question 1

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Continuous processing is the best way to produce customized output.

A) True
B) False

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Question 2

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A production line is to be designed for a job with three tasks. The task times are .3 minutes, 1.4 minutes, and .7 minutes. The minimum cycle time in minutes is:

A) .3.
B) .7.
C) 1.4.
D) 2.4.
E) .8.

F) A) and E)
G) B) and D)

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C

Question 3

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A cafeteria line would be an example of a process-focused layout.

As compared to rigid automation, the benefits of flexible manufacturing systems include:

The percentage of idle time in an assembly line is called cycle time.

Which of the following is not an approach that companies use to achieve a smooth flow of production?

A company needs to locate three departments (X, Y, and Z) in the three areas (I, II, and III) of a new facility. They want to minimize interdepartmental transportation costs, which are expected to be $.50 per load per meter moved. An analyst has prepared the following distances and flow matrices: $\begin{array}{l}\text { Distances (meters) } \quad\quad\quad\quad\quad\quad \text { Flows (loads per week }\\\begin{array}{rlll}\text { From/To } & \text { I } & \text { II } & \text { III } \\\hline \text { I } & - & 10 & 20 \\\text { II } & & - & 10 \\\text { III } & & & -\end{array}\quad\quad\begin{array}{rlll}\text { From/To } & \mathrm{X} & \mathrm{Y} & \mathrm{Z} \\\hline \mathrm{X} & - & 60 & 90 \\\mathrm{Y} & 40 & - & 160 \\\mathrm{Z} & 110 & 140 & -\end{array}\end{array}$ How many least costly process layouts are there?

Key aspects of the process selection challenge include _________ and __________.

A company is designing a product layout for a new product. It plans to use this production line eight hours a day in order to meet projected demand of 480 units per day. The tasks necessary to produce this product are: $\begin{array} { l l l } \text { Task } & \text { Time (secs) } & \text { Immediate Predecessor } \\\hline \mathrm { u } & 30 & \text { none } \\\mathrm { v } & 30 & \mathrm { u } \\\mathrm { w } & 6 & \mathrm { u } \\\mathrm { x } & 12 & \mathrm { w } \\\mathrm { y } & 54 & \mathrm { x } \\\mathrm { z } & 30 & \mathrm { v } , \mathrm { y }\end{array}$ If the company wants the output rate to be equal to demand, what is the last task performed at the second workstation in the balance which uses the minimum number of workstations?

"Balance delay" is another name for the percentage of idle time in a process layout.

A company needs to locate three departments (X, Y, and Z) in the three areas (I, II, and III) of a new facility. They want to minimize interdepartmental transportation costs, which are expected to be $.50 per load per meter moved. An analyst has prepared the following distances and flow matrices: $\begin{array}{l}\text { Distances (meters) } \quad\quad\quad\quad\quad\quad \text { Flows (loads per week }\\\begin{array}{rlll}\text { From/To } & \text { I } & \text { II } & \text { III } \\\hline \text { I } & - & 10 & 20 \\\text { II } & & - & 10 \\\text { III } & & & -\end{array}\quad\quad\begin{array}{rlll}\text { From/To } & \mathrm{X} & \mathrm{Y} & \mathrm{Z} \\\hline \mathrm{X} & - & 60 & 90 \\\mathrm{Y} & 40 & - & 160 \\\mathrm{Z} & 110 & 140 & -\end{array}\end{array}$ What is the distance (in meters) from area III to area I in this new facility?

A company needs to locate three departments (X, Y, and Z) in the three areas (I, II, and III) of a new facility. They want to minimize interdepartmental transportation costs, which are expected to be $.50 per load meter moved. An analyst has prepared the following flow and distance matrices: $\begin{array}{l}\text { Distances (meters) } \quad\quad\quad\quad\quad\quad \text { Flows (loads per week }\\\begin{array}{rlll}\text { From/To } & \text { I } & \text { II } & \text { III } \\\hline \text { I } & - & 10 & 20 \\\text { II } & & - & 10 \\\text { III } & & & -\end{array}\quad\quad\begin{array}{rlll}\text { From/To } & \mathrm{X} & \mathrm{Y} & \mathrm{Z} \\\hline \mathrm{X} & - & 0 & 80 \\\mathrm{Y} & 30 & - & 150 \\\mathrm{Z} & 100 & 130 & -\end{array}\end{array}$ What is the distance (in meters) from area III to area I of this new facility?

The grouping of equipment by the operations needed to perform similar work for part families is:

An advantage of a U-shaped production line is that:

Which of the following is not an information requirement for the design of a process layout?

The minimum number of workstations for a production line is determined in part by the desired output rate.

Intermittent processing can take the form of batch processing or a job shop.

Given the following line balance data: $\begin{array} { l c c } \text { Task } & \text { Predecessor } & \text { Time (seconds) } \\\hline \mathrm { t } & \text { none } & 15 \\\mathrm { u } & \mathrm { t } & 14 \\\mathrm { v } & \mathrm { t } & 7 \\\mathrm { w } & \mathrm { u } & 6 \\\mathrm { x } & \mathrm { v } & 8 \\\mathrm { y } & \mathrm { w } , \mathrm { x } & 10 \\\mathrm { z } & \mathrm { y } & 21\end{array}$ What is the minimum possible cycle time?

Which one of the following is not common to product layouts?

In a product layout, the task of deciding how to assign work to specific stations is referred to as: