Question 1

A(n) __________ line is a machine-paced product-oriented facility for building components.

Accepted Answer

fabrication

Question 2

Ambient conditions, spatial layout and functionality, and signs, symbols, and artifacts are all

Accepted Answer

A)  indicators of imbalance on an assembly line 
B)  indicators that cross-docking has been successful 
C)  elements of customization in a warehouse layout 
D)  elements of servicescapes 
E)  elements of successful office layouts 
A)  indicators of imbalance on an assembly line 
B)  indicators that cross-docking has been successful 
C)  elements of customization in a warehouse layout 
D)  elements of servicescapes 
E)  elements of successful office layouts D

Question 3

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 which precede each task are:
 $\begin{array}{|c|c|c|}
\hline\text { Task } & \begin{array}{c}
\text { Preceding } \
\text { Task }
\end{array} & \begin{array}{c}
\text { Time to } \
\text { perform (min.) }
\end{array} \
\hline \text { A } & -- & .69 \\hline \mathrm{B} & \mathrm{A} & .55 \
\hline \mathrm{C} & \mathrm{B} & .92 \
\hline \mathrm{D} & \mathrm{B} & .59 \
\hline \mathrm{E} & \mathrm{B} & .70 \
\hline \mathrm{F} & \mathrm{B} & 1.10 \
\hline \mathrm{G} & \mathrm{C}, \mathrm{D}, \mathrm{E} & .75 \
\hline \mathrm{H} & \mathrm{G}, \mathrm{F} & .43 \
\hline \mathrm{I} & \mathrm{H} & .29 \
\hline
\end{array}$ 
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 longest processing time.
e. What is the efficiency of the line obtained in part d?

Accepted Answer

(a) The appropriate diagram appears below. (b) Cycle time is 57/40 = 1.425 minutes. (c) The theoretical minimum number of stations required is 6.02/1.425 = 4.22 or 5. (d) The balanced line appears in the software output panel below. (e) The line's efficiency is 6.02 / 8.55 = 70.4%
   \(\begin{array}{c}
\begin{array}{|l|}
\hline \
  \text {Station}\
\hline \
\hline 1\ 
\hline \

\hline 2\
\hline 3\
\hline 4\
\hline \
\hline 5\
\hline \
\hline 6\
\hline \text {Summary Statistics}\
\hline \text {Cycle time}\
\hline \text {Time allocated (cycle}\
\text {time * \#)}\
\hline \text {Time needed (sum of}\
\text {task times)}\
\hline \text {Idle time (allocated-}\
\text {needed)}\
\hline \text {Efficiency}\
 \text {(needed/allocated)}\
\hline \text {Balance Delay (1 -}\
\text {efficiency)}\ 
\hline \text {Min (theoretical) \# of}\
\text {stations}\
\hline
\end{array}
\begin{array}{l|l|l|l|} 
\hline&&\text { Time left }&\text { Ready  } \
\text { Task }&\text { Time (minutes ) } &\text { (minutes ) }&\text { (tasks}\
\hline&&&\mathrm{A} \
\hline\mathrm{A}&0.69&0.735&\mathrm{B} \
\hline \mathrm{B}&0.55&0.185&\mathrm{C}, \mathrm{D}, \mathrm{E},\mathrm{F} \
\hline\mathrm{F}&1.1&0.325&\mathrm{C}, \mathrm{D}, \mathrm{E}\ 
\hline\mathrm{C}&0.92&0.505&\mathrm{D}, \mathrm{E} \
\hline \mathrm{E}&0.7&0.725& \mathrm{D}\
\hline \mathrm{D}&0.59&0.135& \mathrm{G} \
\hline\mathrm{G}&0.75&0.675& \mathrm{H}\
\hline\mathrm{H}&0.43&0.245&\mathrm{I}\
\hline\mathrm{I}&0.29&1.135\
\hline\
\hline1.425&\text{minutes }\
\hline\
8.549999&\text {minutes s/cycle }\
\hline\
6.02&\text { minutes /unit }\
\hline\
2.529999&\text { minutes /cycle }\
\hline\
70.40936\%\
\hline\
29.59064\%\
\hline\
5\
\hline
\end{array}
\end{array}\)

Question 4

Which of the following does not support the retail layout objective of maximizing customer exposure to products?

Accepted Answer

A)  locate high-draw items around the periphery of the store 
B)  use prominent locations for high-impulse and high-margin items 
C)  maximize exposure to expensive items 
D)  use end-aisle locations 
E)  convey the store's mission with the careful positioning of the lead-off department 
A)  locate high-draw items around the periphery of the store 
B)  use prominent locations for high-impulse and high-margin items 
C)  maximize exposure to expensive items 
D)  use end-aisle locations 
E)  convey the store's mission with the careful positioning of the lead-off department

Question 5

Which of the following constitutes a major trend influencing office layouts?

Accepted Answer

A)  downsizing 
B)  globalization 
C)  environmental issues 
D)  off-site employees 
E)  health issues 
A)  downsizing 
B)  globalization 
C)  environmental issues 
D)  off-site employees 
E)  health issues

Question 6

Process-oriented layouts typically have low levels of work-in-process inventory.

Accepted Answer

A) True 
 B)False

Question 7

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.

Accepted Answer

No, they should not be surprised. Effici

Question 8

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

Accepted Answer

A)  there was no other way to solve the problem 
B)  no computer software was available 
C)  the problem has only a few alternatives to evaluate 
D)  no optimum solution exists 
E)  a "satisfactory" solution is acceptable 
A)  there was no other way to solve the problem 
B)  no computer software was available 
C)  the problem has only a few alternatives to evaluate 
D)  no optimum solution exists 
E)  a "satisfactory" solution is acceptable

Question 9

One disadvantage of process-oriented layouts arises from

Accepted Answer

A)  the use of special purpose equipment 
B)  machine maintenance, which tends to seriously degrade the capacity of the entire system 
C)  the use of specialized material handling equipment 
D)  the need for stable demand 
E)  the use of the general purpose machines and equipment 
A)  the use of special purpose equipment 
B)  machine maintenance, which tends to seriously degrade the capacity of the entire system 
C)  the use of specialized material handling equipment 
D)  the need for stable demand 
E)  the use of the general purpose machines and equipment

Question 10

A work cell is required to make 200 computerized diagnostic assemblies (for installation into hybrid automobiles) each day. The cell currently works an eight hour shift, of which seven hours is available for productive work. What is takt time for this cell?

Accepted Answer

Takt time = 420 minu

Question 11

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

Accepted Answer

Work cells increase the use of

Question 12

__________ is the use of computer software to evaluate the profitability of merchandising plans in a retail layout.

Accepted Answer

The answer of __________ is the use of computer software...

Question 13

Which one of the following is not common to repetitive and product-oriented layouts?

Accepted Answer

A)  a high rate of output 
B)  specialization of labor 
C)  ability to adjust to changes in demand 
D)  low unit costs 
E)  All are common to product-oriented layouts. 
A)  a high rate of output 
B)  specialization of labor 
C)  ability to adjust to changes in demand 
D)  low unit costs 
E)  All are common to product-oriented layouts.

Question 14

What techniques can be used to overcome the inherent problems of fixed-position layouts?

Accepted Answer

Some actions that can be taken to overco

Question 15

The assumption of stability of demand is important for justifying which of the following layout types?

Accepted Answer

A)  fixed-position layout 
B)  product-oriented layout 
C)  process-oriented layout 
D)  all of the above 
E)  none of the above 
A)  fixed-position layout 
B)  product-oriented layout 
C)  process-oriented layout 
D)  all of the above 
E)  none of the above

Question 16

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?

Accepted Answer

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

Question 17

In assembly line balancing, the theoretical minimum number of workstations is

Accepted Answer

A)  the ratio of the sum of all task times to cycle time 
B)  always (when a fraction) rounded upward to the next larger integer value 
C)  not always possible to reach when tasks are actually assigned to stations 
D)  all of the above 
E)  none of the above 
A)  the ratio of the sum of all task times to cycle time 
B)  always (when a fraction) rounded upward to the next larger integer value 
C)  not always possible to reach when tasks are actually assigned to stations 
D)  all of the above 
E)  none of the above

Question 18

One guideline for a retail layout is to locate high-draw items around the periphery of the store.

Accepted Answer

A) True 
 B)False

Question 19

__________ layouts deal with low-volume, high-variety production with like machines and equipment grouped together

Accepted Answer

The answer of __________ layouts deal with low-volume, high-variety production...

Question 20

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.

Accepted Answer

A)  1 
B)  4 
C)  16 
D)  24 
E)  unknown 
A)  1 
B)  4 
C)  16 
D)  24 
E)  unknown

Exam 11: Layout Strategies

A(n) __________ line is a machine-paced product-oriented facility for building components.

Ambient conditions, spatial layout and functionality, and signs, symbols, and artifacts are all

Which of the following does not support the retail layout objective of maximizing customer exposure to products?

Which of the following constitutes a major trend influencing office layouts?

Process-oriented layouts typically have low levels of work-in-process inventory.

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

One disadvantage of process-oriented layouts arises from

A work cell is required to make 200 computerized diagnostic assemblies (for installation into hybrid automobiles) each day. The cell currently works an eight hour shift, of which seven hours is available for productive work. What is takt time for this cell?

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

__________ is the use of computer software to evaluate the profitability of merchandising plans in a retail layout.

Which one of the following is not common to repetitive and product-oriented layouts?

What techniques can be used to overcome the inherent problems of fixed-position layouts?

The assumption of stability of demand is important for justifying which of the following layout types?

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?

In assembly line balancing, the theoretical minimum number of workstations is

One guideline for a retail layout is to locate high-draw items around the periphery of the store.

__________ layouts deal with low-volume, high-variety production with like machines and equipment grouped together

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.

Operations and Productivity

Operations Strategy in a Global Environment

Project Management

Forecasting

Design of Goods and Services

Managing Quality

Statistical Process Control

Process Strategy

Capacity and Constraint Management

Location Strategies

Human Resources, Job Design, and Work Measurement

Supply-Chain Management

Outsourcing as a Supply-Chain Strategy

Inventory Management

Aggregate Planning

Material Requirements Planning MRP and ERP

Short-Term Scheduling

Just-In-Time and Lean Options

Maintenance and Reliability

Decision-Making Tools

Linear Programming

Transportation Models

Waiting-Line Models

Learning Curves

Simulation

Filters