Question 1

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

Accepted Answer

A) True 
 B)False  False

Question 2

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

Accepted Answer

A)  a list of departments or work centers 
B)  a projection of work flows between the work centers 
C)  the distance between locations 
D)  the cost per unit of distance to move loads 
E)  a list of product cycle times for every product manufactured 
A)  a list of departments or work centers 
B)  a projection of work flows between the work centers 
C)  the distance between locations 
D)  the cost per unit of distance to move loads 
E)  a list of product cycle times for every product manufactured E

Question 3

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:

Accepted Answer

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

Question 4

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

Accepted Answer

A)  reduced labor requirements. 
B)  higher efficiency. 
C)  larger batch sizes. 
D)  significantly lower fixed costs. 
E)  significantly lower variable costs. 
A)  reduced labor requirements. 
B)  higher efficiency. 
C)  larger batch sizes. 
D)  significantly lower fixed costs. 
E)  significantly lower variable costs.

Question 5

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?

Accepted Answer

The answer of Given the following line balance data: \[\begin{array}...

Question 6

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?

Accepted Answer

A)  u 
B)  v 
C)  w 
D)  x 
E)  y 
A)  u 
B)  v 
C)  w 
D)  x 
E)  y

Question 7

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

Accepted Answer

A)  line balancing heuristics 
B)  parallel workstations 
C)  dynamic line balancing (cross-training workers) 
D)  mixed model line 
E)  Companies use all of these. 
A)  line balancing heuristics 
B)  parallel workstations 
C)  dynamic line balancing (cross-training workers) 
D)  mixed model line 
E)  Companies use all of these.

Question 8

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

Accepted Answer

A)  process balancing. 
B)  task allocation. 
C)  line balancing. 
D)  work allocation. 
E)  station balancing. 
A)  process balancing. 
B)  task allocation. 
C)  line balancing. 
D)  work allocation. 
E)  station balancing.

Question 9

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?

Accepted Answer

A)  0 
B)  10 
C)  20 
D)  30 
E)  40 
A)  0 
B)  10 
C)  20 
D)  30 
E)  40

Question 10

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

Accepted Answer

A)  it is less compact. 
B)  communication is reduced among employees. 
C)  workers are specialists. 
D)  work assignments are more rigid. 
E)  it is more efficient than a traditional product layout. 
A)  it is less compact. 
B)  communication is reduced among employees. 
C)  workers are specialists. 
D)  work assignments are more rigid. 
E)  it is more efficient than a traditional product layout.

Question 11

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

Accepted Answer

A)  product layout. 
B)  cellular manufacturing layout. 
C)  functional layout. 
D)  fixed-position layout. 
E)  process layout. 
A)  product layout. 
B)  cellular manufacturing layout. 
C)  functional layout. 
D)  fixed-position layout. 
E)  process layout.

Question 12

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

Accepted Answer

A) True 
 B)False

Question 13

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

Accepted Answer

A) True 
 B)False

Question 14

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

Accepted Answer

A)  a high rate of output 
B)  specialization of labor 
C)  low unit costs 
D)  ability to adjust to changes in demand 
E)  special-purpose technology 
A)  a high rate of output 
B)  specialization of labor 
C)  low unit costs 
D)  ability to adjust to changes in demand 
E)  special-purpose technology

Question 15

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

Accepted Answer

A) True 
 B)False

Question 16

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

Accepted Answer

A)  information technology; marketing strategy 
B)  process flexibility; marketing strategy 
C)  capital intensity; process flexibility 
D)  marketing strategy; operations strategy 
E)  capacity planning; marketing strategy 
A)  information technology; marketing strategy 
B)  process flexibility; marketing strategy 
C)  capital intensity; process flexibility 
D)  marketing strategy; operations strategy 
E)  capacity planning; marketing strategy

Question 17

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

Accepted Answer

A) True 
 B)False

Question 18

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?

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  4 
E)  5 
A)  1 
B)  2 
C)  3 
D)  4 
E)  5

Question 19

Continuous processing is the best way to produce customized output.

Accepted Answer

A) True 
 B)False

Question 20

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?

Accepted Answer

A)  0 
B)  10 
C)  20 
D)  30 
E)  40 
A)  0 
B)  10 
C)  20 
D)  30 
E)  40

Exam 6: Process Selection and Facility Layout

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

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

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:

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

Given the following line balance data: Task Predecessor Time (seconds) none 15 14 7 6 8 , 10 21 What is the minimum possible cycle time?

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

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

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

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

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

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

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

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

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

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

Continuous processing is the best way to produce customized output.

Introduction to Operations Management

Competitiveness, Strategy, and Productivity

Forecasting

Product and Service Design

Extension: Reliability

Strategic Capacity Planning for Products and Services

Extension: Decision Theory

Work Design and Measurement

Extension: Learning Curves

Location Planning and Analysis

Extension: The Transportation Model

Management of Quality

Quality Control

Extension: Acceptance Sampling

Aggregate Planning and Master Scheduling

MRP and ERP

Inventory Management

Jit and Lean Operations

Extension: Maintenance

Supply Chain Management

Scheduling

Project Management

Management of Waiting Lines

Linear Programming

Filters

Key aspects of the process selection challenge include _ and __.