Deck 10: Location and Layout

Question 1

Consider the location of four distribution centers, A, B, C, and D, with the following location coordinates and shipping requirements per week. Management is considering locating a new plant at the site of one of the four distribution centers. What is the load- distance score if the plant is located at distribution center A? (Use rectilinear distance.)

A) less than or equal to 4500
B) greater than 4500 but less than or equal to 5000
C) greater than 5000 but less than or equal to 5500
D) greater than 5500

Answer 1

less than or equal to 4500

Question 2

A single facility is needed to meet the demand of four regions depicted as follows: If the plant is located at A, what is the total load- distance score, assuming Euclidean distance?

A) less than or equal to 1000
B) more than 1000 but less than or equal to 1100
C) more than 1100 but less than or equal to 1200
D) more than 1200

Answer 2

less than or equal to 1000

Question 3

Automan, Inc. makes "tennis robots" on an assembly line with 9 tasks. The tasks and their times follow. The desired output rate is 50 robots an hour. The "theoretical maximum efficiency" on the line is

A) less than 85%.
B) more than 85% but less than or equal to 90%.
C) more than 90% but less than or equal to 95%.
D) more than 95%.

Answer 3

less than 85%.

Question 4

What is the definition of "theoretical maximum efficiency"?

A) It is the amount by which efficiency falls short of 100 percent.
B) It is alternatively called the desired output rate.
C) It is the efficiency that could be obtained by a solution that achieves the theoretical minimum number of solutions.
D) It is the maximum time allowed for work on a unit at each station.

Question 5

An assembly line has to perform 10 work elements, whose time requirements follow below. An operations analyst has found a solution using some heuristics. The solution follows below. Solution If the cycle time of the line is 90 seconds, what is the efficiency of the assembly line?

A) less than 85%
B) greater than 85% but less than 90%
C) greater than 90% but less than 95%
D) greater than 95%

Question 6

McKenna Restaurant wishes to open a new store. Based on the following subjective criteria, where should the new store be located? Factor Score by Location

A) A
B) B
C) C
D) D

Question 7

Build- It- Fast Inc. is analyzing the performance of its assembly line. Management observes that the line assembles 80 widgets per hour and that the total productive time needed to assemble one widget is 170 seconds. The assembly line currently has 6 stations. What is the efficiency of this line?

A) less than 70%
B) 70- 80%
C) 81- 90%
D) more than 90%

Question 8

Which of the following statements about performance criteria relative to layouts is NOT generally true?

A) In most cases, only one of the possible performance criteria is emphasized.
B) A flexible layout allows a firm to adapt quickly to changing customer needs and preferences.
C) Capital investment can vary by layout, depending on floor space, equipment needs, and inventory levels.
D) Relative locations of centers should restrict large flows to short distances, if materials handling is stressed.

Question 9

Table 10.5
Union Fork, Inc. has five distribution centers located at the location
coordinates given as follows. The demand at each center is also given.

Use the information in Table 10.5. What is the total load- distance score for the two plants if plant 1 is located at the center of gravity serving distribution centers A, B, and C, and plant 2 is located at the center of gravity serving D and E. Assume rectilinear distance.

A) less than or equal to 300
B) more than 300 but less than or equal to 350
C) more than 350 but less than or equal to 400
D) more than 400

Question 10

Which one of the following is usually an advantage of building a new facility, compared to on- site expansion?

A) keeping management together
B) reducing construction time and costs
C) not splitting up operations
D) reducing transportation costs

Question 11

Table 10.2
Durham Toy, Inc. has five distribution centers at the location coordinates
given as follows. The monthly demand at each center is also given.

Use the information in Table 10.2. If the plant is located at the center of gravity, what is the load- distance score, assuming Euclidean distance?

A) less than or equal to 1300
B) more than 1300 but less than or equal to 1400
C) more than 1400 but less than or equal to 1500
D) more than 1500

Question 12

Table 10.21
The following information is given about an assembly line.
The desired output rate is 90 units per hourTable 10.21
The following information is given about an assembly line.
The desired output rate is 90 units per hour

Use the information in Table 10.21. If you are using the longest work- element time rule, how many workstations do you need?

A) 2 stations
B) 3 stations
C) 4 stations
D) more than 4 stations

Question 13

Which one of the following statements regarding product layout is best?

A) As desired hourly output rate becomes higher, the cycle time of the assembly line becomes longer.
B) The efficiency of an assembly line can be optimized by maximizing the number of stations.
C) The product layout organizes resources around common functions.
D) Two basic questions in line balancing are how many stations are needed, and what work elements are assigned to each station.

Question 14

Table 10.22
The production of a particular product consists of seven work elements. The desired output rate is
60 units per hour. The work element and their precedence relationships are given.

Use the information in Table 10.22. Using the longest work- element time rule, how many stations are required?

A) 2 stations
B) 3 stations
C) 4 stations
D) 5 stations

Question 15

Which of the following usually is an advantage of on- site expansion, compared to building a new facility?

A) simplified production control
B) reduced transportation cost
C) reduced construction time and costs
D) focused facility

Question 16

Which of the following statements on locating new U.S. manufacturing plants is best?

A) A favorable labor climate is the most important factor for capital- intensive plants.
B) The shift in new industrial jobs to non- urban regions, which is experienced in the United States, is not taking place in Japan and Europe.
C) Locating near markets is less important when the finished goods are bulky or heavy and outbound transportation rates are high.
D) Labor climate is a function of wage rates, training requirements, attitudes toward work, worker productivity, and union strength.

Question 17

The Nelson Company has four distribution centers (A, B, C, and D) that require shipments of 20, 30,
40, and 10 units per week, respectively. Its three plants (1, 2, and 3) have monthly capacities of 40,
30, and 30, respectively. Shipping costs (in $) follow:

What can be said about a plan that ships 40 units from 1 to C, 30 units from 2 to B, 20 units from 3
to A, and 10 units from 3 to D?

A) It is feasible, and the weekly shipping cost is less than $1,600.
B) not feasible in terms of plant capacities.
C) feasible, and the weekly shipping cost is greater than $2,000.
D) not feasible in terms of satisfying distribution center demands.

Question 18

A company that assembles big airplanes or locomotives is likely to have which of the following layouts?

A) hybrid layout
B) process layout
C) fixed- position layout
D) product layout

Question 19

Table 10.1
A single facility is needed to meet the demands of four markets.
The locations and demands of these four markets are shown below.

Use the information from Table 10.1. If the facility must be located at one of these four markets, which of the four locations is most desirable, assuming rectilinear distance?

A) A
B) B
C) C
D) D

Question 20

Table 10.7
Sagebrush Company has four warehouses (A, B, C, and D) that require monthly shipments of 250, 200, 300, and 200 units per
month, respectively. Its three plants (1, 2, and 3) have monthly capacities of 300, 400, and 250, respectively. Shipping costs (in
$) follow. A blank transportation method tableau is provided below.

Use the information in Table 10.7. What is the cost of a plan that ships 150 units from 1 to C, 150 units from 1 to D, 250 units from 2 to A, 150 units from 2 to C, 200 units from 3 to B, and 50 units from 3 to D?

A) less than $15,000
B) more than $15,000 but less than $16,000
C) more than $16,000 but less than $17,000
D) more than $17,000

Question 21

Table 10.5
Union Fork, Inc. has five distribution centers located at the location
coordinates given as follows. The demand at each center is also given.

Use the information in Table 10.5. If a plant is located at a center of gravity, what is the load- distance score, assuming rectilinear distance?

A) less than or equal to 500
B) more than 500 but less than or equal to 550
C) more than 550 but less than or equal to 600
D) more than 600

Question 22

Which of the following group of location factors was NOT found to dominate location decisions for new U.S. manufacturing plants?

A) proximity to the parent company's facilities
B) favorable labor climate
C) quality of life
D) proximity to competitor's facilities

Question 23

Which of the following is an advantage or characteristic of product layout over process layout when volumes are high?

A) Employee supervision can be more specialized.
B) Resources are relatively general- purpose and less capital- intensive.
C) The layout is less vulnerable to changes in product mix or new marketing strategies.
D) Less unproductive time lost to changeovers and materials handling.

Question 24

Table 10.15
Balance the following line for an output rate of 3 units per minute,
using the longest work-element time rule.

Use the information in Table 10.15. How many stations are required?

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

Question 25

Table 10.9
The administration department of a small college is now designing its layout for newly built office space. From statistical
samplings over the last three months, the following trip matrix was developed for daily trips between departments.

Use the information in Table 10.9. Which switch of two offices within the department will improve the total load- distance score the most?

A) B and C
B) A and C
C) C and D
D) B and E

Question 26

Which one of the following statements about line balancing is best?

A) If desired output rate increases, the cycle time also tends to increase.
B) If a precedence relationship exists between A and B, they cannot be assigned to the same station.
C) If a line's balance delay is minimized, its efficiency is maximized.
D) The theoretical minimum number of stations can never be achieved, hence the name "theoretical."

Question 27

A line balancing solution has been developed for the assembly line for fertilizer spreaders at Green Grass, Inc. The desired output rate of 30 spreaders per hour will be achieved. The sum of times for all tasks performed on the line is 1200 seconds for each spreader assembled. This is the total productive time. Which of the following statements must be TRUE?

A) If the solution calls for 11 stations, the efficiency is 80%.
B) The "theoretical minimum" number of stations is 10.
C) If solution calls for 12 stations, the efficiency is 80%.
D) The cycle time is 30 seconds per spreader.

Question 28

Kiddie Clothes wishes to locate its warehouse so that it would serve its four different stores, described as follows. Based on the center of gravity, what are the x- and y- coordinates of the proposed warehouse location?

A) x is greater than 2.5; y is greater than 3
B) x is less than 2.5; y is greater than 2.9
C) x is less than 3; y is less than 2
D) x is less than 3; y is less than 2.5

Question 29

Which one of the following statements about distance measures is best?

A) Rectilinear distance always equals the actual travel distance.
B) Euclidean distance assumes that the trip between two points is made with a series of 90- degree turns.
C) Rectilinear distance is the straight- line distance.
D) The Euclidean distance between two locations can never exceed the rectilinear distance.

Question 30

Table 10.23
The Terminal Company is attempting to balance its assembly line of high-voltage electrical connectors. The desired output
for the line is 50 connectors per hour, and the information on the work elements for this assembly line is as follows.

Use the information from Table 10.23, and the longest work- element rule to balance this line. What work elements are included in the first station?

A) A only
B) A and B only
C) A and C only
D) A and D only

Question 31

Table 10.1
A single facility is needed to meet the demands of four markets.
The locations and demands of these four markets are shown below.

Use the information from Table 10.1. What are the x- and y- coordinates for the center of gravity?

A) x ≥ 6, y ≥ 7
B) x < 6, y < 7
C) x ≥ 6, y < 7
D) x < 6, y ≥ 7

Question 32

Table 10.12
A company with a process layout wants to rearrange its facility in the space available. There are six departments, and the
flow among them is given in the following trip matrix. The shape and the size of the space available is also given. Assume
rectilinear distances.

Use the information from Table 10.12. Consideration of safety and EPA regulations restrict the location of certain departments: Department A must be assigned to positions 1 or 4, Department D must be assigned to positions 4 or 6, Department E must be assigned to positions 1 or 3, and Department F must be assigned to positions 3 or 6. What is the least load- distance assignment of the departments to locations?

A)
B)
C)
D)

Question 33

Table 10.3
A firm has the following demand forecasts for the five markets that it serves:

Use the information in Table 10.3. What is the center of gravity?

A) x ≤ 7, y > 8
B) x > 7, y ≤ 8
C) x > 7, y > 8
D) x ≤ 7, y ≤ 8

Question 34

Table 10.14
The department of philosophy at a university in Oregon must allocate six faculty members to their new offices. The following
trip matrix indicates the expected number of contacts per day made between professors. Also shown on the right is a sketch
of the available office spaces (1 through 6) for the six faculty members. Assume equally sized offices. The distance between
office 1 and office 2 (as well as the distance between office 1 and 3) is one unit of distance. Please measure by rectilinear
distance.

Use the information in Table 10.14. What is the local- distance score if the faculty members are assigned as follows? (Still assume rectilinear distance.)

A) less than or equal to 50
B) greater than 50 but less than or equal to 55
C) greater than 55 but less than or equal to 60
D) more than 60

Question 35

Table 10.20
The following information is known about an assembly line.
The desired output rate is 80 units per hour.

Use the information in Table 10.20. Using the longest work- element time rule of line balancing, what is the theoretical minimum number of stations versus the number of stations needed?

A) 2 versus 3
B) 3 versus 3
C) 3 versus 4
D) 4 versus 2

Question 36

Which of the following statements on locating facilities in the service sector is best?

A) Creating a "critical mass" is a strategy that avoids locating near competing firms.
B) "Site specific" factors are the main reason for locating warehousing and distribution operations near the customer.
C) Management should avoid locating facilities where competitors are already well established, as illustrated by new car showrooms.
D) The factors that apply to manufacturing firms often also apply to service facilities, but the impact of the location on sales and customer satisfaction is an important addition.

Question 37

Table 10.12
A company with a process layout wants to rearrange its facility in the space available. There are six departments, and the
flow among them is given in the following trip matrix. The shape and the size of the space available is also given. Assume
rectilinear distances.

Use the information from Table 10.12. What is the load- distance score if the departments were assigned as follows? (Continue assuming rectilinear distances.)

A) less than or equal to 80
B) more than 80 but less than or equal to 100
C) more than 100 but less than or equal to 120
D) more than 120

Question 38

Table 10.4
Table 7.4 A company has determined the "demand points" and their relative locations as follows:

Using the information in Table 10.4. If a facility were to be located at (15, 15), what would be the load- distance score? (Assume rectilinear distance)

A) less than or equal to 5500
B) more than 5500 but less than or equal to 6000
C) more than 6000 but less than or equal to 6500
D) more than 6500

Question 39

Table 10.6
Nuts-and-Bolts Inc. wishes to find the best location for a plant
that will satisfy customer demand in the following five areas.

Use the information in Table 10.6. If the plant is located at the coordinates (6, 5), what is the total load- distance score, assuming Euclidean distance?

A) less than 400
B) 400- 550
C) 551- 700
D) more than 700

Question 40

Table 10.6
Nuts-and-Bolts Inc. wishes to find the best location for a plant
that will satisfy customer demand in the following five areas.

Use the information in Table 10.6. What are the x- and y- coordinates for the center of gravity?

A) x ≤ 4, y ≤ 6
B) x < 4, y ≥ 6
C) x ≥ 4, y < 6
D) x ≥ 4, y ≥ 6

Question 41

Table 10.22
The production of a particular product consists of seven work elements. The desired output rate is
60 units per hour. The work element and their precedence relationships are given.

Use the information in Table 10.22. What is the efficiency of the line created using the longest work- element time rule?

A) less than or equal to 70%
B) more than 70% but less than or equal to 75%
C) more than 75% but less than or equal to 80%
D) more than 80%

Question 42

Table 10.1
A single facility is needed to meet the demands of four markets.
The locations and demands of these four markets are shown below.

Use the information from Table 10.1. If the facility must be located at one of these four markets, which of the four locations is most desirable, assuming Euclidean distance?

A) A
B) B
C) C
D) D

Question 43

Fun Vehicles, Inc., makes "beach buggies" on an assembly line with 11 work elements. Information on these work elements is as follows:

The company wants to re- balance its line to increase the output to two buggies every three minutes. Use the longest work- element time rule to assign tasks to the workstations. Which of the following is the assignment for the first two stations (S1 and S2) produced by this rule?

A)
B)
C)
D)

Question 44

Table 10.6
Nuts-and-Bolts Inc. wishes to find the best location for a plant
that will satisfy customer demand in the following five areas.

Use the information in Table 10.6. If the plant is located at the coordinates (3, 7), what is the total load- distance score, assuming rectilinear distance?

A) less than 400
B) 400- 550
C) 551- 700
D) more than 700

Question 45

Malhotra Company has four distribution centers located at the location coordinates given as follows. The monthly demand at each center is also given. Management wants to build a new plant that would be located at the center of gravity of the four distribution centers. Which of the following options best represents the coordinates of new plant location?

A) x- coordinate is greater than 170 but less than 190; y- coordinate is greater than 230 but less than 250
B) x- coordinate is greater than 150 but less than 170; y- coordinate is greater than 230 but less than 250
C) x- coordinate is greater than 170 but less than 190; y- coordinate is greater than 210 but less than 230
D) x- coordinate is greater than 150 but less than 170; y- coordinate is greater than 210 but less than 230

Question 46

Table 10.10
A firm of four departments has the following
trip matrix and current block plan of all departments:

Use the information in Table 10.10. An analyst recommends the following new block plan.
What is the load- distance score for the new layout?

A) less than or equal to 60
B) more than 60 but less than or equal to 75
C) more than 75 but less than or equal to 90
D) more than 90

Question 47

Which one of the following statements about layouts is NOT true?

A) A trip matrix gives the number of trips (or some other measure of materials movement) per day.
B) A block plan allocates space and indicates placement of each department.
C) A detailed layout should be designed first, to give guidance to developing the block plan.
D) A REL chart reflects qualitative judgments of managers or employees.

Question 48

Table 10.3
A firm has the following demand forecasts for the five markets that it serves:

Use the information in Table 10.3. If the firm decides to locate the warehouse at point D, what is the total load- distance score? (Use rectilinear distance).

A) less than 400
B) between 401 and 450
C) between 451 and 500
D) more than 500

Question 49

Table 10.21
The following information is given about an assembly line.
The desired output rate is 90 units per hour

Use the information in Table 10.21. Suppose that the desired output rate is increased to 120 units per hour and a solution has been found that has 4 workstations. What is the efficiency of this new assembly line?

A) less than 80%
B) between 80% and 85%
C) between 85% and 90%
D) more than 90%

Question 50

Table 10.16
Balance the following lines for an output rate of 5 pieces per hour, using the
longest work-element time rule. The times are in minutes (not seconds).

Use the information from Table 10.16. The efficiency for this arrangement is

A) less than 89%.
B) more than 89% and less than 91%.
C) more than 91% and less than 93%.
D) more than 93%.

Question 51

Table 10.19
The Illinois Appliance Company is installing a line to produce a vacuum cleaner, and you, as the operations manager, are
responsible for designing the line. The line has to produce 30 units per hour. The work elements to be performed are as
follows, with the time needed and immediate predecessor(s) also shown.

Use the information in Table 10.19. If you balance the line using the longest work- element time rule, which elements are assigned to station 2?

A) G, E
B) G, F
C) C, F, H
D) C, D, E, I

Question 52

The group of location factors found to be most important for new manufacturing plants, on the average, is

A) favorable labor climate.
B) quality of life.
C) proximity to suppliers and resources.
D) proximity to markets.

Question 53

Table 10.8
The Neale Company has four distribution centers (A, B, C, and D) that require monthly shipments of 30,000, 24,000, 36,000,
and 24,000 gallons of diesel fuel per month, respectively. Three wholesalers (1, 2, and 3) are willing to supply up to 36,000,
48,000 and 30,000 gallons, respectively. Total costs (in $) for both shipping and price follow. A blank transportation method
tableau is provided below.

Use the information in Table 10.8. What can be said about a plan that ships 18,000 gallons from 1 to C; 18,000 gallons from 1 to D; 30,000 gallons from 2 to A; 18,000 gallons from 2 to C; 24,000 gallons from 3 to B; and 30,000 from 3 to D?

A) It is not feasible in terms of satisfying distribution center demands.
B) It is feasible, and the total monthly cost is greater than $227,000.
C) It is not feasible in terms of wholesaler availabilities.
D) It is feasible, and the total monthly cost is less than $223,000.

Question 54

Which one of the following statements is best concerning line balancing?

A) Selecting the cycle time can never have an effect on line efficiency.
B) The theoretical minimum number of stations must always be less than the actual number achieved in a final solution.
C) Increasing the output rate many increase the theoretical minimum number of stations.
D) The "largest number of followers" rule assigns as quickly as possible those work elements most difficult to fit into a station.

Question 55

A grower and shipper of fresh gourmet herbs has determined the following demand forecast for the five metropolitan markets that the firm serves. Based on your calculations of the center of gravity, where should the new herb farm be located? Location

A) x > 6, y > 8
B) x < 7, y > 6
C) x < 5, y > 5
D) x < 6, y >6

Question 56

Fun Vehicles, Inc. makes "beach buggies" on an assembly line. The total productive time to make one buggy is 300 seconds. The current line has a 90- second cycle time and consists of four workstations. The balance delay of this line must be

A) 0%.
B) greater than 0% but less than 6%.
C) greater than 6% but less than 12%.
D) greater than 12% but less than 18%.

Question 57

Table 10.17
The Pennsylvania Appliance company is installing an assembly line to produce vacuum cleaners, and you, as an operations
manager, are responsible for balancing the line. The work elements to be performed are listed, along with their items and
immediate predecessors.

Use the information in Table 10.17. What is the theoretical minimum number of stations (TM) for the line? If you are using the longest work- element time rule, how many workstations do you need?

A) TM = 3; solution = 3 stations
B) TM = 3; solution = 4 stations
C) TM = 4; solution = 4 stations
D) TM = 4; solution = 5 stations

Question 58

Table 10.20
The following information is known about an assembly line.
The desired output rate is 80 units per hour.

Use the information in Table 10.20. What is the maximum idle time at any station, given the solution found by the longest work- element time method?

A) less than or equal to 20 seconds
B) greater than 20 seconds but less than or equal to 30 seconds
C) greater than 30 seconds but less than or equal to 40 seconds
D) greater than 40 seconds

Question 59

The Euclidean distance between points A (15, 25) and B (45, 5) is

A) less than or equal to 35.
B) more than 35 but less than or equal to 40.
C) more than 40 but less than or equal to 45.
D) more than 45.

Question 60

Which one of the following statements is a disadvantage of a product layout?

A) Processing rates tend to be slower.
B) More space and capital are tied up in inventory.
C) It is more vulnerable to changes in the products and services offered.
D) Materials handling tends to be costlier.

Question 61

Which one is a possible disadvantage of product layouts?

A) Supervisors have to assume increased workload due to frequent rescheduling.
B) Workers may experience lower job satisfaction.
C) Workers need frequent retraining to keep pace with the flow of work.
D) Product designs must be simplified so that no more than 20 operations are needed to assemble the product.

Question 62

Excel Products is planning a new warehouse to serve the Southeast. Locations A, B, and C are under consideration. Fixed and variable costs follow:

Plot the total cost curves in the chart provided below, and identify the range over which each location would be best. Then use break- even analysis as necessary to calculate exactly the break- even quantity that defines each range. Which of the following statements is correct?

A) Location B is best over all volume levels.
B) The total cost of location A, if the volume is 250,000 units, is over $7,000,000.
C) Location A is the best one if volumes are quite high.
D) The break- even quantity between A and B is more than 75,000 units but less than 200,000 units.

Question 63

Which one of the following characteristics is more likely for a product layout than for a process layout?

A) Jumbled routings
B) Faster processing rates
C) More inventory
D) Higher product customization

Question 64

Table 10.4
Table 7.4 A company has determined the "demand points" and their relative locations as follows:

Using the information in Table 10.4. If a company desires to locate a manufacturing facility at the center of gravity, what would be the x- and y- coordinates of the facility?

A) x ≤ 15, y ≤ 14
B) x ≤ 14, y ≤ 14
C) x ≤ 14, y > 14
D) x ≤ 15, y > 15

Question 65

Table 10.13
The Bigmoney Financial Company is designing its layout for a new office.
The following trip matrix was developed for daily trips between departments.

Use the information from Table 10.13. All things equal, which two departments should be located closest together?

A) B and F
B) D and F
C) A and B
D) B and C

Question 66

Table 10.23
The Terminal Company is attempting to balance its assembly line of high-voltage electrical connectors. The desired output
for the line is 50 connectors per hour, and the information on the work elements for this assembly line is as follows.

Use the information from Table 10.23, and the longest work- element rule to balance this line. What is the idle time for the third station?

A) less than 5 seconds
B) 5- 10 seconds
C) 11- 15 seconds
D) more than 15 seconds

Question 67

Table 10.17
The Pennsylvania Appliance company is installing an assembly line to produce vacuum cleaners, and you, as an operations
manager, are responsible for balancing the line. The work elements to be performed are listed, along with their items and
immediate predecessors.

Use the information in Table 10.17. The company is planning to operate two shifts per day, eight hours per shift. If the desired output rate of the line is 480 units per day, what is the cycle time?

A) 60 seconds
B) 120 seconds
C) 180 seconds
D) 240 seconds

Question 68

Table 10.16
Balance the following lines for an output rate of 5 pieces per hour, using the
longest work-element time rule. The times are in minutes (not seconds).

Use the information from Table 10.16. At what station is task F performed?

A) Station 1
B) Station 2
C) Station 3
D) Station 4

Question 69

Table 10.15
Balance the following line for an output rate of 3 units per minute,
using the longest work-element time rule.

Use the information from Table 10.16. The solution using this rule calls for

A) less than 3 stations.
B) 3 stations.
C) 4 stations.
D) more than 4 stations.

Question 70

Table 10.2
Durham Toy, Inc. has five distribution centers at the location coordinates
given as follows. The monthly demand at each center is also given.

Use the information in Table 10.2. If the plant is located at the center of gravity, what is the load- distance score, assuming rectilinear distance?

A) less than or equal to 1500
B) more than 1500 but less than or equal to 1600
C) more than 1600 but less than or equal to 1700
D) more than 1700

Question 71

The rectilinear distance between points A (15, 25) and B (45, 5) is

A) less than or equal to 35.
B) more than 35 but less than or equal to 40.
C) more than 40 but less than or equal to 45.
D) more than 45.

Question 72

Widgets, Inc. wishes to locate two new manufacturing facilities. Based on the following subjective criteria, where should the new facilities be located? (Excellent = 5, Very good = 4, Good = 3, Fair = 2, Poor = 1). Factor Evaluation by Location

A) C and D
B) D and E
C) A and D
D) B and D

Question 73

Table 10.5
Union Fork, Inc. has five distribution centers located at the location
coordinates given as follows. The demand at each center is also given.

Use the information in Table 10.5. Assume that two plants, rather than one, are to be located. Plant 1 serves distribution centers A, B, and C. Plant 2 serves distribution centers D and E. What is the center of gravity for plant 1?

A) x ≤ 4, y ≤ 7
B) x ≤ 4, y ≥ 7
C) x ≥ 4, y ≤ 7
D) x ≥ 4, y ≥ 7

Question 74

Table 10.17
The Pennsylvania Appliance company is installing an assembly line to produce vacuum cleaners, and you, as an operations
manager, are responsible for balancing the line. The work elements to be performed are listed, along with their items and
immediate predecessors.

Use the information in Table 10.17. What is the efficiency of the longest work- element time solution just found?

A) less than 91%
B) more than 91% and less than 93%
C) more than 93% and less than 95%
D) more than 95%

Question 75

Table 10.10
A firm of four departments has the following
trip matrix and current block plan of all departments:

Use the information in Table 10.10. What is the load- distance score for the current layout? (Assume rectilinear distance and that the distance between departments A and B is one unit of distance.)

A) less than or equal to 60
B) more than 60 but less than or equal to 75
C) more than 75 but less than or equal to 90
D) more than 90

Question 76

Which one of the following statements about distance measures is best?

A) Euclidean distance assumes that the trip between two points is made with a series of 90- degree turns.
B) Euclidean distance equals the actual travel distance.
C) The rectilinear distance between two locations can never exceed the Euclidean distance.
D) Euclidean distance is the straight- line distance.

Question 77

Table 10.14
The department of philosophy at a university in Oregon must allocate six faculty members to their new offices. The following
trip matrix indicates the expected number of contacts per day made between professors. Also shown on the right is a sketch
of the available office spaces (1 through 6) for the six faculty members. Assume equally sized offices. The distance between
office 1 and office 2 (as well as the distance between office 1 and 3) is one unit of distance. Please measure by rectilinear
distance.

Use the information in Table 10.14. Because of their academic position Professor A must be assigned to office 1, Professor C must be assigned to office 2, and professor D must be assigned to office 6. What faculty members should be assigned to offices 3, 4, and 5, respectively to minimize the total load- distance score? (Assume rectilinear distance)

A) F, E, B
B) B, E, F
C) E, B, F
D) F, B, E

Question 78

Table 10.5
Union Fork, Inc. has five distribution centers located at the location
coordinates given as follows. The demand at each center is also given.

Use the information in Table 10.5. What is the total load- distance score for the two plants if plant 1 is located at the center of gravity serving A, B, and C, and plant 2 is at the center of gravity serving D and E? Assume Euclidean distance.

A) less than or equal to 240
B) more than 240 but less than or equal to 260
C) more than 260 but less than or equal to 280
D) more than 280

Question 79

Table 10.11
A company of four departments has the following
trip matrix and current locations of all departments:

Use the information in Table 10.11. What is the load- distance score for the current layout? (Assume rectilinear distance and that the distance between departments A and B is one unit of distance.)

A) less than or equal to 80
B) more than 80 but less than or equal to 95
C) more than 95 but less than or equal to 110
D) more than 110

Question 80

Table 10.13
The Bigmoney Financial Company is designing its layout for a new office.
The following trip matrix was developed for daily trips between departments.

Use the information from Table 10.13. What is the load- distance score if the departments are assigned as follows? (Assume rectilinear distance and that the distance between departments A and E is one unit of distance.)

A) less than 165
B) between 165 and 175
C) between 176 and 185
D) more than 185