Deck 8: Facility Layout

Question 1

A manufacturing cell layout is similar to the workcenter and assembly-line layouts.

Answer 1

True
Explanation: A manufacturing cell groups dissimilar machines to work on products that have similar shapes and processing requirements.A manufacturing cell is similar to a workcenter in that cells are designed to perform a specific set of processes, and it is similar to an assembly line in that the cells are dedicated to a limited range of products.

Question 2

The term "assembly line" refers to progressive assembly linked by some material handling device.

Answer 2

True
Explanation: The term "assembly line" refers to progressive assembly linked by some material handling device.

Question 3

The first step in balancing an assembly line is to specify the precedence relationships among tasks to be performed on the line.

Answer 3

True
Explanation: The steps in balancing an assembly line are straightforward: 1.Specify the sequential relationships among tasks using a precedence diagram.

Question 4

Systematic layout planning is used to design products.

Question 5

Assembly lines are a special case of product layout.

Question 6

In balancing an assembly line, workstation cycle time has to be less than the time between successive units coming off the end of the line.

Question 7

An assembly-line layout is similar to the basic production layout format of flow-shop layout.

Question 8

A workcenter layout is similar to the basic production layout format of job-shop.

Question 9

A project layout is similar to the basic production layout format of the workcenter.

Question 10

If the sum of the task times required to produce a product is 80 minutes and the cycle time for the same product is 15 minutes, the theoretical minimum number of workstations is 8 using the assembly-line balancing procedure.

Question 11

A workcenter is a basic production layout format in which similar equipment or functions are grouped together.

Question 12

In assembly-line balancing, the theoretical minimum number of workstations is found by a ratio of the sum of all task times divided by the cycle time.

Question 13

Assembly lines are a special case of a project layout.

Question 14

For the purposes of assembly-line balancing, cycle time is found by dividing production time per day by the required units of output per day.

Question 15

If the sum of the task times required to produce a product is 45 minutes and the cycle time for the same product is 10 minutes, the theoretical minimum number of workstations is 5 using the assembly-line balancing procedure.

Question 16

The efficiency of an assembly line is found by a ratio of the sum of all task times divided by the cycle time.

Question 17

The assembly-line balancing procedure determines the precedence relationships of manufacturing tasks.

Question 18

In designing a production layout a flexible line layout might have the shape of a "U".

Question 19

A manufacturing cell groups identical machines together to work on products having similar shapes and processing requirements.

Question 20

In designing a production line, a mixed-model line layout is used by JIT manufacturers.

Question 21

Using the assembly-line balancing procedure, which of the following is the required cycle time if the production time in minutes per day is 1,440 and the required output per day in units is 2000?

A)0.72
B)1.388
C)250
D)500
E)Cannot be determined from the information given

Question 22

In a good layout design for a manufacturing facility, it is acceptable to have backtracking by personnel in the delivery of a customer's product.

Question 23

Which of the following is not considered an input to the layout decision in facility layout analysis?

A)Cost per square foot of alternative facilities
B)Space requirements for the elements in the layout
C)Specification of objectives and corresponding criteria to be used to evaluate the design
D)Estimates of product or service demand on the system
E)Processing requirements in terms of the number of operations and the flow between elements in the layout

Question 24

Which of the following basic types of production layout formats is one in which equipment or work processes are arranged according to the progressive steps by which the product is made?

A)Job-shop layout
B)Functional layout
C)Assembly line layout
D)Group technology layout
E)Process layout

Question 25

Which of the following is a basic type of production layout format?

A)Process flow diagram
B)Workcell center
C)Systematic plan
D)Simo charts
E)Manufacturing cell

Question 26

Using the assembly-line balancing procedure, which of the following is the theoretical minimum number of workstations if the task times for the eight tasks that make up the job are 7, 4, 7, 8, 9, 4, 3, and 6 minutes, and the cycle time is 8 minutes?

A)3
B)5
C)6
D)8
E)None of these

Question 27

The objective of a mixed-model line layout is to meet the demand for a variety of products and avoid building high inventories.

Question 28

A manufacturing cell groups the same or similar machines into cells to work on products that have dissimilar shapes and dissimilar processing requirements.

Question 29

Assembly-line balancing means assigning all necessary tasks to a series of workstations so that each workstation has no more than can be done in the workstation cycle time and so that idle time across all workstations is minimized.

Question 30

A straight-line flow pattern is considered a good layout design for back-office service operations.

Question 31

Using the assembly-line balancing procedure, which of the following is the required cycle time in minutes per unit if the daily production time is 480 minutes and the required daily output is 50 units?

A)0.104
B)50
C)9.6
D)480
E)Cannot be determined from the information given

Question 32

Which of the following is not a basic type of production layout format?

A)Workcenter
B)Process layout
C)Manufacturing cell layout
D)Project layout
E)Assembly line

Question 33

A project layout is characterized by a high degree of task ordering.

Question 34

Using the assembly-line balancing procedure, which of the following is the theoretical minimum number of workstations if the task times for the six tasks that make up the job are 4, 6, 7, 2, 6, and 5 minutes, and the cycle time is 10 minutes?

A)3
B)5
C)6
D)8
E)None of these

Question 35

The objective of a retail service layout is to maximize net profit per square foot of store space.

Question 36

Which of the following basic types of production layout formats is one that has similar equipment or functions are grouped together?

A)Production line layout
B)Assembly line layout
C)Workcenter layout
D)Group technology layout
E)Manufacturing cell layout

Question 37

As a general rule, manufacturing workstations should not be very close together.

Question 38

Having a lot of interstage storage of materials is considered a good layout design for a manufacturing plant.

Question 39

A project layout is characterized by a relatively low number of production units in comparison with workcenter and assembly-line formats.

Question 40

You have just determined the actual number of workstations that will be used on an assembly line to be 6 using the assembly-line balancing procedure.The cycle time of the line is 5 minutes, and the sum of all that tasks required on the line is 25 minutes.Which of the following is the correct value for the resulting line's efficiency?

A)0.500
B)0.833
C)0.973
D)0.990
E)None of these

Question 41

In the design of retail service layouts, the term "ambient conditions" could refer to which of the following?

A)Temperature
B)How much money a customer spends
C)How long the customer stays
D)Employee morale
E)Customers' perceptions of the service

Question 42

Give an example of a project layout in manufacturing.________________________________

Question 43

Using the assembly-line balancing procedure, which of the following is the theoretical minimum number of workstations if the task times for the six tasks that make up the job are 7, 4, 7, 5, 3, and 6 minutes, and the cycle time is 8 minutes? ______________________________________

Question 44

We would expect to see in a manufacturing cell layout which of the following?

A)Large teams who collectively do a small part of a finished product
B)A small team of workers who turn out complete units of work
C)More in-process inventory
D)Long production setup times
E)None of these

Question 45

Is office layout more akin to retail service layout or to manufacturing layout? Explain your answer.

Question 46

The term "servicescape" refers to which of the following?

A)The schematic diagram of the service flows of material, information, and customers
B)The emergency exit plan from a service facility
C)The physical surroundings in which the service takes place
D)The network of government rules regulating the service
E)The broadest concept of the service business

Question 47

Which of the following is not a step in developing a manufacturing cell layout?

A)Grouping parts into families that follow a common sequence of steps
B)Identifying dominant flow patterns of parts families as a basis for location of processes
C)Physically grouping machines and processes into cells
D)Disposing of leftover machinery and outsourcing ungrouped processes
E)None of these

Question 48

You have just determined the actual number of workstations that will be used on an assembly line to be 25 using the assembly-line balancing procedure.The cycle time of the line is 30 seconds, and the sum of all that tasks required on the line is 10 minutes.What is the line's efficiency? ________________________________

Question 49

In the design of retail service layouts, the term "ambient conditions" could refer to which of the following?

A)Signs
B)Symbols
C)Artifacts
D)Lighting
E)Speed of service

Question 50

Some of the suggestions for a good layout for manufacturing and back-office operations include which of the following?

A)Backtracking kept to a minimum
B)Plenty of interstage materials storage to avoid starving downstream workstations
C)Workstations separated so operators don't spend time socializing
D)Adequate waiting facilities
E)None of these

Question 51

When balancing an assembly line, which of the following is not a way to reduce the longest task time below the required workstation cycle time?

A)Upgrade the equipment
B)Assign a roaming helper to support the line
C)Split the task between two workstations
D)Speed up the assembly line transfer mechanism
E)Use a more skilled worker

Question 52

Using the assembly-line balancing procedure, what is the required cycle time if the production time in minutes per day is 2,400 and the required output per day in units is 1,200? _________________________________

Question 53

What are the main differences between facility layout for manufacturing and for retail service establishments?

Question 54

Some of the suggestions for a good layout for face-to-face services include which of the following?

A)Workstations close together
B)Lack of clutter
C)Orderly handling and storage of materials
D)No unnecessary rehandling of materials
E)None of these

Question 55

Which of the following is not a benefit of a manufacturing cell layout?

A)Better human relations
B)Improved operator expertise
C)Less in-process inventory and material handling
D)Faster production setup
E)Reduced cost

Question 56

Which of the following is not among the suggestions for a good layout for manufacturing and back-office operations?

A)Production time predictable
B)Straight-line flow pattern
C)Open plant floors so everyone can see what is happing
D)Brightly colored walls and good lighting
E)Workstations close together

Question 57

You have just determined the actual number of workstations that will be used on an assembly line to be 8 using the assembly-line balancing procedure.The cycle time of the line is 10 minutes, and the sum of all that tasks required on the line is 60 minutes.Which of the following is the correct value for the resulting line's efficiency?

A)0.500
B)0.650
C)0.750
D)0.850
E)None of these

Question 58

In the design of retail service layouts, the term "ambient conditions" does not refer to which of the following?

A)Noise level
B)Music
C)Lighting
D)Scent
E)Staffing