Chapter 7
T or F Facility layout refers to the arrangement of machines, processes, departments, and other areas within a facility.
t
t or f A flexible manufacturing system (FMS) combines flexibility with higher efficiency.
t
t or f A process layout groups similar activities together according to the functions they perform.
t
t or f A relationship diagram provides a standard format for displaying manager preferences for department locations
t
t or f A schematic diagram using weighted lines to denote location preference is called a relationship diagram
t
t or f Capacity can be increased in one large step or incrementally
t
t or f Cellular layouts combine the flexibility of process layouts with the efficiency of product layouts.
t
t or f Fixed-position layouts are used for projects when the product cannot be moved.
t
t or f For a given facility the best operating level equals the percent of capacity utilization that minimizes unit cost.
t
t or f General as opposed to specific purpose equipment is typically found in a process layout
t
t or f Increasing capacity utilization beyond the best operating level results in diseconomies of scale
t
t or f Line balancing is constrained by precedence requirements and cycle time restrictions.
t
t or f Material storage and movement are directly affected by facility layout decisions.
t
t or f Minimizing material handling cost is an important objective for a process layout
t
t or f The balance delay is calculated by subtracting efficiency in percent from one hundred.
t
t or f The capacity cushion for a facility equals one minus utilization
t
t or f The cycle time refers to the maximum amount of time a product is allowed to spend at each workstation.
t
t or f The efficiency of a flexible manufacturing system (FMS) comes from reductions in setup and waiting times
t
t or f The line-balancing procedure uses heuristics to specify which work elements are allocated to each workstation.
t
t or f The major layout concern for a process layout is where to locate departments or functional areas relative to each other.
t
t or f The majority of service facilities utilize process layouts
t
t or f The time to complete a task in a mixed-model assembly line can vary from model to model.
t
t or f With a product layout the purpose of line balancing is to equalize the amount of work at each workstation
t
t or f Precedence requirements reflect physical restrictions on the order in which operations are performed in a product layout.
t - under product layouts
A format for displaying manager preferences for departmental locations is known as a. relationship diagram. b. process diagram. c. block diagram. d. hybrid diagram.
A
A type of service layout designed to encourage browsing and increase impulse purchasing is known as a a. freeflow layout. b. grid layout. c. loop layout. d. spine layout.
A
Material handling equipment that can follow multiple paths, move in any direction, and carry large loads of in-process inventory is most likely to be associated with a _________ layout a. process b. product c. fixed-position d. hybrid
A
Similar activities are grouped together in departments or work centers according to the function with a __________ layout. a. process b. fixed-position c. hybrid
A
To maximize an assembly line's efficiency a. the line's balance delay must be minimized. b. the line's balance delay must be maximized. c. the cycle time must be less than the flow time. d. the flow time must be less than the cycle time.
A
Which one of the following is NOT an example of a hybrid facility layout? a. Fixed-position b. Mixed-model c. Cellular d. Flexible manufacturing
A
With a ___________ layout activities arranged in a line according to the sequence of operations. a. product. b. process c. fixed-position d. cellular
A
With line balancing the maximum amount of time the product is allowed to spend at each workstation is known as the a. cycle time. b. flow time. c. efficiency of the line. d. balance delay.
A
Which of the following is NOT an objective of effective layouts? a. reduce material handling costs b. increase the number of bottlenecks c. eliminate waste and redundant activities
B
A ________layout encourages customer familiarity, has low costs, and is easy to clean, a. freeflow layout b. grid layout c. spine layout d. loop layout
B
A company hopes to achieve a daily output of 200 units during 6 hours of production time. Assuming there is no lost time during the 6 hours of production, the desired cycle time to achieve the targeted level of output is a. 3.0 minutes b. 1.8 minutes c. 1.5 minutes d. 0.03 minutes
B
Cycle time refers to a. the time required for a product to go through a process layout. b. the time between finished units coming off an assembly line. c. the time needed to complete the tasks at a work station. d. the difference between task time and work station time.
B
One of the best known computerized packages available for designing process layouts is CRAFT. CRAFT stands for a. computerized relationship activity and flow technique. b. computerized relative allocation of facilities technique. c. computerized relative assembly and flow technology. d. computerized relationship assembly flow time.
B
Which of the following statements is most true? a. product layouts are flexible; process layouts are efficient b. product layouts are efficient; process layouts are flexible c. product and process layouts are equally flexible; neither are efficient d. product and process layout are equally efficient; neither are flexible
B
Which one of the following is NOT an example of a basic facility layout? a. Fixed-position b. Mixed-model c. Product d. Process
B
___________ is a group technology technique that reorders part routing matrices to identify families of parts with similar processing requirements. a. Process flow analysis b. Production flow analysis c. Cycle analysis d. Group analysis
B
A company has a target output rate of 40 units every five (5) hours when its line is fully operational. To achieve this target the firm must have a cycle time of a. more than 12.50 minutes b. more than 10.00 minutes c. 7.5 minutes or less d. 8 minutes or less
C
In a product layout, the process of assigning tasks to work stations is referred to as _________ balancing. a. station b. product c. line d. work
C
Most service organizations use a. product layouts. b. fixed-position layouts. c. process layouts. d. cellular layouts.
C
The process of equalizing the amount of work at each workstation in a product layout is known as a. block diagramming. b. precedence requirements. c. line balancing. d. cycle time analysis.
C
Which of the following describes a process layout? a. equipment is general purpose and the workers are unskilled b. equipment is specialized and the workers are highly skilled c. equipment is general purpose and the workers are highly skilled d. equipment is specialized and the workers are unskilled
C
Which of the following is NOT an advantage of cellular layouts? a. easier to automate b. easier to control c. increased work-in-process inventory d. reduced setup time
C
Which of the following is not a capacity expansion strategy? a. Capacity lead strategy b. Capacity lag strategy c. Capacity stability strategy d. Average capacity
C
Which of the following is not an "area" of advantage of cellular layouts? a. material handling b. setup time c. capital investment d. control
C
Which of the following is not an "area" of disadvantage of cellular layouts? a. cell balance b. work-in-process inventory c. capital investment d. training and scheduling
C
A ____________ provides historical data on the movement of parts and materials between departments. a. manufacturing chart b. block diagram c. relationship diagram d. load summary chart
D
A company wants to produce 150 units during a 7-hour day. The desired cycle time needed to achieve this level of output is a. 3.5 minutes b. 3.25 minutes c. 3.00 minutes d. 2.8 minutes
D
A schematic diagram that uses weighted lines to denote location preference is known as a a. block grid b. block diagram c. a relationship grid d. a relationship diagram
D
The material storage space required for in-process inventory is typically larger in a. a cellular manufacturing layout. b. a product layout. c. a fixed-position layout. d. a process layout.
D
Two techniques used to design process layouts are a. block diagramming and assembly line balancing. b. relationship diagramming and assembling line balancing. c. relationship diagramming and assembly line balancing. d. block diagramming and relationship diagramming.
D
Which one of the following factors is not important to the design and operation of a mixed-model assembly line? a. model sequencing b. line balancing c. u-shaped lines d. all are factors
D
t or f Single model and mixed model assembly lines are similar in layout and operation.
F
t or f The major advantage of a process layout over a product layout is efficiency.
F - process layout = flexibility product layout = efficiency
t or f Line balancing strives to minimize bottlenecks in a process layout.
F - tries to equalize the amount of work at each work station
t or f Block diagramming is a design tool for process layouts that takes into account the number of adjacent and non-adjacent moves.
T
t or f An important advantage of a process layout over a product layout is efficiency
f
t or f Line balancing is a procedure that requires cycle time to be the same as flow time.
f
t or f Product layouts have a higher degree of flexibility than process layouts
f
t or f A process layout arranges activities sequentially.
f - Process Layouts arrange activities by grouping similar activities together Product Layouts - arrange activities in a line according to the sequence of operations
t or f Cellular layouts reduce transit time and increase set-up.
f - and REDUCE set up time
t or f The maximum amount of time a product spends at any workstation is known as the bottleneck time.
f - cycle time
t or f Equipment utilization is typically very high in processes with a fixed-position layout.
f - equipment utilization is LOW in processes with a fixed position layout because it is often less costly to leave equipment idle at a location where it will be needed again in a few days
t or f Shipbuilding is an example of production system requiring a process layout
f - fixed position layout
t or f A mixed-model assembly line processes each model in large batch sizes
f - flexible manufacturing system
t or f Most service facilities utilize fixed-position layouts.
f - process products
t or f Product layouts are sometimes referred to as functional layouts.
f - product layouts = assembly lines process layouts = functional layouts
t or f The best operating level is the percent of capital cushion that minimizes unit cost.
f - the percent of capacity utilization that minimizes unit costs
t or f The basic objective of the facility layout decision is to ensure a smooth flow of inventory through the system.
f - to ensure a smooth flow of work, authorial, people and info through the system