Pregunta 1
Pregunta
Which of the following can be achieved through quality improvements?
Pregunta 2
Pregunta
Which of the following is NOT one of the major categories of costs associated with quality?
Pregunta 3
Pregunta
Poka-yoke is the Japanese term for:
Respuesta
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Foolproof
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Continuous improvement
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Fishbone diagram
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Card
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Just-in-time production
Pregunta 4
Pregunta
A checklist is a simplistic form of:
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poka-yoke
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check sheet
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kanban
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Pareto chart
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Kaizen
Pregunta 5
Pregunta
Which of the following is not a typical inspection point?
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when production or service is complete
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after a costly process
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upon receipt of goods from your supplier
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at the supplier's plant while the supplier is producing
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before the product is shipped to the customer
Pregunta 6
Pregunta
To become ISO 9000 certified, organizations must:
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Have an onsite assessment
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document quality procedures
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have an ongoing series of audits of their products or service
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all of the above
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none of the above
Pregunta 7
Pregunta
Based on his 14 Points, Deming is a strong proponent of:
Pregunta 8
Pregunta
Total quality management emphasizes:
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a commitment to quality that goes beyond internal company issues to supplier and customers
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the responsibility of the quality control staff to identify and solve all quality-related problems
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a process where mostly statisticians get involved
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a system where strong managers are the only decision makers
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ISO 14000 certification
Pregunta 9
Pregunta
Kaizen principle is focused on continuous improvement
Pregunta 10
Pregunta
One of the ways that just-in-time (or JIT) influences quality is that by reducing inventory, bad quality is exposed
Pregunta 11
Pregunta
The process of identifying other organizations that are best at some facet of your operations and then modeling your organization after them is known as:
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patent infringement
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copycatting
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benchmarking
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employee empowerment
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continuous improvement
Pregunta 12
Pregunta
A Three Sigma program has how many defects per million?
Pregunta 13
Pregunta
If 1 million passengers pass through the St.Louis Airport with checked baggage each month, a successful Six Sigma program for baggage handling would result in how many passengers with misplaced luggage?
Pregunta 14
Pregunta
Techniques for building employee empowerment include:
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developing open, supportive supervisors
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building high-morale organizations
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building communication networks that include employees
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moving responsibility from both managers and staff to production employees
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all of the above are techniques for employee empowerment
Pregunta 15
Pregunta
Pareto charts are a graphical way of identifying the few critical items from the many less important ones
Pregunta 16
Pregunta
A cause-and-effect Diagram helps identify the sources of a problem
Pregunta 17
Pregunta
Among the tools of TQM, the tool ordinarily used to aid in understanding the sequence of events through which a product travels is a:
Respuesta
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flowchart
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Pareto chart
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check sheet
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poka-yoke
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Taguchi map
Pregunta 18
Pregunta
A fishbone chart is also known as a:
Respuesta
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kaizen diagram
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cause-and-effect diagram
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poka-yoke diagram
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Taguchi diagram
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Kanban diagram
Pregunta 19
Pregunta
A manager tells her production employees, "It's no longer good enough that your work falls anywhere within the specification limits. I need your work to be as close to the target value as possible." Her thinking is reflective of:
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internal benchmarking
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Six Sigma
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Process control charts
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ISO 9000
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Taguchi concepts
Pregunta 20
Pregunta
Which of the following is FALSE regarding control charts?
Respuesta
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control charts graphically present data
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values above the upper control limits imply that the product's quality is exceeding expectations
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control charts plot data over time
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control charts are built so that new data can be quickly compared to past performance data
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None of the above is false
Pregunta 21
Pregunta
Some degree of variability is present in almost all processes.
Pregunta 22
Pregunta
The Central Limit Theorem states that when the sample size increases, the distribution of the sample means (x-bars) will approach the normal distribution
Pregunta 23
Pregunta
In statistical process control, the range is often used as a substitute for the standard deviation
Pregunta 24
Pregunta
The purpose of an x-bar chart is to determine whether there has been a:
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change in the percent defective in a sample
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change in the number of defects in a sample
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change in the central tendency (mean) of the process output
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change in the dispersion (variability) of the process output
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change in the AOQ
Pregunta 25
Pregunta
If the process average is in control, range must also be in control
Pregunta 26
Pregunta
Mean (x-bar) charts and range (R) charts complement one another, one detecting shifts in process average, the other detecting shifts in process dispersion.
Pregunta 27
Pregunta
The p-chart is appropriate to plot the number of typographic errors per page of text.
Pregunta 28
Pregunta
A c-chart is appropriate to plot the number of flaws in a bolt of fabric
Pregunta 29
Pregunta
The upper and lower limits for diving ring diameters made by John's Swimming Co. are 40 and 39 cm., respectively. John took 11 samples with the following average diameters (39, 39.1, 39.2, 39.3, 39.4, 39.5, 39.6, 39.7, 39.8, 39.9, 40). Is this process in control?
Respuesta
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Yes, no diameters exceeded the control limits
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No, some diameters exceeded the control limits
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No, the range is not in control
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No, there is a distinguishable pattern to the samples
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There is not enough information to make a decision
Pregunta 30
Pregunta
A process that is assumed to be in control with limits of 89 +/- 2 had sample averages for the x-bar chart of the following: 87.1, 87, 87.2, 89, 90, 88.5, 89.5, and 88. Is the process in control?
Respuesta
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Not enough information to tell
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Yes
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No, there is a distinguishable trend
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No, two or more consecutive points are very near the lower (or upper) limit
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No, one or more averages exceeded the limits
Pregunta 31
Pregunta
an x-bar control chart was examined and no data points fell outside of the limits. Can this process be considered in control?
Respuesta
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(a) not yet, there could be a pattern to the points
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(b) Not yet, the R-Chart must be checked
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(c) Not yet, the number of samples must be known
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Yes
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Both A and B
Pregunta 32
Pregunta
For a 3-sigma x-bar chart where the process standard deviation (sigma) is known, the upper control limit:
Respuesta
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is 3* sigma above the average of sample means
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is 3* sigma/SQRT(n) above the average of the sample means
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is 3* sigma below the average of sample means
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is 3* sigma/SQRT(n) below the average of the sample means
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cannot be calculated unless the average range is known
Pregunta 33
Pregunta
A manager wants to build 3-sigma x-bar control limits for a process. The target value for the mean of the process is 10 units, and the standard deviation of the process is 6. If samples of size 9 are to be taken, what will be the upper and lower control limits, respectively?
Respuesta
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-8 and 28
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16 and 4
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4 and 16
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8 and 12
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12 and 8
Pregunta 34
Pregunta
A manager wishes to build a 3-sigma range chart for a process. The sample size is 5, the mean of sample means is 16.01, and the average range is 5.3. What are the UCL and LCL, respectively, for this range chart?
Respuesta
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11.2 and 0
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31.91 and 0.11
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33.9 and 0
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6.3 and 0
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33.9 and 11.2
Pregunta 35
Pregunta
Ten samples of a process measuring the number of returns per 100 receipts were taken for a local retail store. The number of returns were 10, 0, 11, 7, 3, 12, 8, 4, 6, and 11. What are the UCL and LCL for the p-bar conrol chart with 6-sigma quality?
Pregunta 36
Pregunta
The assembly line is a classic example of a repetitive process
Pregunta 37
Pregunta
A typical full-service restaurant uses a product-focused process
Pregunta 38
Pregunta
The tool that calculates which process has the lowest cost at any specified production volume is a crossover chart
Pregunta 39
Pregunta
A product-focused process is commonly used to product:
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low-volume, high variety products
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high-volume, low-variety products
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high-volume, high-variety products
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high-volume products of either high- or low-variety
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low-variety products at either high-or low-volume
Pregunta 40
Pregunta
Which of the following products is likely to be assembled on a repetitive process line
Pregunta 41
Pregunta
One of the similarities between process focus and mass-customization is:
Pregunta 42
Pregunta
Which of the following characteristics best describes repetitive focus?
Respuesta
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operators are broadly skilled
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low volume, high variety
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it uses sophisticated scheduling to accommodate custom orders
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it is widely used for the manufacture of steel
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its output is a standardized product produced from modules
Pregunta 43
Pregunta
High fixed costs and low variable costs are typical of which approach?
Respuesta
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(a) Product
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(b) repetitive
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(c) mass customization
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(D) process
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A and C
Pregunta 44
Pregunta
Process X has fixed costs of $10,000 and variable costs of $2.40 per unit. Process Y has fixed costs of $9,000 and variable costs of $2.25 per unit. which of the following statements is TRUE?
Respuesta
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the crossover point is approximately 6667 units
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It is impossible for one process to have both of its costs lower than those of another process
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Process X is more profitable than process Y and should be selected
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Process X should be selected for very large production volumes
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Process Y is cheaper than process X at all volumes
Pregunta 45
Pregunta
Process A has fixed costs of $1000 and variable costs of $5 per unit. Process B has fixed costs of $500 and variable costs of $15 per unit. what is the crossover point between process A and process B?
Respuesta
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200 units
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$5,000
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50 units
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$2,500
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$9,500
Pregunta 46
Pregunta
Time-function mapping is a flowchart that is organized to show duration (and sometimes location) of each step.
Pregunta 47
Pregunta
Fixed costs are those costs that continue even if no units are produced
Pregunta 48
Pregunta
Break-even is the number of units at which:
Respuesta
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total profit equals total cost
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total revenue equals total cost
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total revenue equals total variable cost
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total revenue equals price times quantity
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total revenue equals total fixed cost
Pregunta 49
Pregunta
Fabricators, Inc. wants to increase capacity by adding a new machine. The fixed costs for machine A are $90,000, and its variable cost is $15 per unit. The revenue is $21 per unit. What is the break-even point for machine A?
Respuesta
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90,000 units
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$90,000
-
4,286 units
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15,000 units
-
$15,000
Pregunta 50
Pregunta
Consider a production line with five stations. Station 1 can produce a unit is 9 minutes. Station 2 can produce a unit in 10 minutes. Station 3 has two identical machines, each of which can process a unit is 12 minutes (each unit only needs to be processed on one of the two machines. Station 4 can produce a unit in 5 minutes. Station 5 can produce a unit in 8 minutes. Which station is the bottleneck station?
Respuesta
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station 1
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station 2
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station 3
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station 4
-
station 5
Pregunta 51
Pregunta
A work system has five stations that have process times of 5, 9, 4, 9, and 8. what is the throughput time of the system?
Pregunta 52
Pregunta
Which of the following is NOT one of the four principles of bottleneck management
Respuesta
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lost time at the bottleneck is lost system capacity
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release work orders to the system at the bottleneck's capacity pace
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increased bottleneck capacity is increased system capacity
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bottlenecks should be moved to the end of the system process
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increasing capacity at non-bottleneck stations is a mirage
Pregunta 53
Pregunta
Effective capacity is typically larger than design capacity
Pregunta 54
Pregunta
The Academic Computing Center has five trainers available in its computer labs to provide training sessions to students. Assume that the design capacity of the system is 1900 students per semester and that effective capacity equals 90% of design capacity. If the number of students who actually got their orientation session is 1500, what is the efficiency of the system?
Respuesta
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87.7%
-
1350 students
-
78.9%
-
90%
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1710 students
Pregunta 55
Pregunta
Manufacturers may want to locate close to their customers if the transportation of finished goods is expensive or difficult
Pregunta 56
Pregunta
The reason fast food restaurants often are found in close proximity to each other is:
Pregunta 57
Pregunta
Which of the following workplaces is the most productive?
Respuesta
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$10 daily wage, 1 part produced daily
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$500 daily wage, 100 parts produced daily
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$50 daily wage, 10 parts produced daily
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$30 daily wage, 5 parts produced daily
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$100 daily wage, 21 parts produced daily
Pregunta 58
Pregunta
Evaluating location alternatives by comparing their composite (weighted-average) scores involves which of the following?
Pregunta 59
Pregunta
The center-of-gravity method finds the location of a centralized facility, such as a distribution center, that will maximize the organization's revenue.
Pregunta 60
Pregunta
The transportation model
Respuesta
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minimizes total production and transportation costs
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maximizes revenues
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minimizes total fixed costs
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minimizes total transportation costs
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minimizes the movement of goods
Pregunta 61
Pregunta
Geographic information systems can assist the location decision by:
Respuesta
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updating transportation method solutions
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providing good internet placement for virtual storefronts
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combining geography with demographic analysis
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computerizing factor-rating analysis
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automating center-of-gravity problems
Pregunta 62
Pregunta
The objective of layout strategy is to develop an effective and efficient layout that will meet the firm's competitive requirements
Pregunta 63
Pregunta
A hospital's layout most closely resembles which of the following?
Respuesta
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product oriented
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work cell
-
retail
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job shop
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project
Pregunta 64
Pregunta
"A special arrangement of machinery and equipment to focus on production of a single product or group of related products" describes what layout type?
Respuesta
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intermittent production
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warehouse layout
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fixed-position layout
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work cell
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job shop
Pregunta 65
Pregunta
Which of the statements below best describes office layout?
Respuesta
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addresses the layout requirements of large, bulky projects such as ships and buildings
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seeks the best personnel and machine utilization in repetitive or continuous production
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allocates shelf space and responds to customer behavior
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position workers, their equipment, and offices to provide for movement of information
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deals with low-volume, high-variety production
Pregunta 66
Pregunta
In the office relationship chart, which rating reflects the highest importance for two departments' closeness to each other?
Pregunta 67
Pregunta
Workspace can inspire informal and productive encounters if it balances what three physical and social aspects?
Respuesta
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privacy, persuasion, and permission
-
proximity, privacy, and persuasion
-
proximity, privacy, and permission
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proximity, persuasion, and passion
-
proximity, persuasion, and permission
Pregunta 68
Pregunta
The main goal of retail layout is
Respuesta
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minimizing storage costs
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minimizing material handling cost
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minimizing customer confusion regarding location of items
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maximizing profitability per square foot of floor space
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minimizing space required
Pregunta 69
Pregunta
Which of the following is NOT a retail layout practice?
Respuesta
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use end-aisle locations to maximize product exposure
-
use prominent locations for high-impulse and high-margin items
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locate the high-draw items around the periphery of the store
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distribute power items throughout the store
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all of the above are retail layout practices
Pregunta 70
Pregunta
What is the primary reason retailers tend to locate high-draw items around the periphery of the store?
Respuesta
-
more shelf space for those popular items is available around the periphery
-
this arrangement allows customers to travel through the store as quickly as possible
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the arrangement will help to maximize customer exposure to other items in the store
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it is easier to put large advertisement signs on the outside walls right next to the items
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there will be less congestion of customers than there would be in the middle
Pregunta 71
Respuesta
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are not a part of Walmart's business practices
-
are charged by retailers to stock a product
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can reduce the ability of small businesses to introduce new products
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can amount to as much as $25,000
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all of the above
Pregunta 72
Pregunta
The major problem addressed by the warehouse layout strategy is
Respuesta
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minimizing difficulties caused by material flow varying with each product
-
locating the docks near a convenient access point to the closest highway
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balancing product flow from one work station to the next
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requiring frequent close contact between forklift drivers and item pickers
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addressing trade-offs between space and material handling
Pregunta 73
Pregunta
Cross-docking refers to which of the following
Respuesta
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docks are placed in the warehouse according to the direction (north, south, east, or west) from which the truck is arriving
-
the same dock is used to unload and then reload the same truck
-
the same docks can be used either incoming or outbound shipments
-
warehouse docks are designed in the shape of a cross
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avoid placing materials or supplies in storage by processing them as they are received
Pregunta 74
Pregunta
For which of the following operations would a fixed-position layout be MOST appropriate?
Pregunta 75
Pregunta
Which type of layout features departments or other functional groupings in which similar activities are performed?
Respuesta
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fixed-position
-
mass production
-
unit production
-
process-oriented
-
product-oriented
Pregunta 76
Pregunta
Mathematically, takt time is
Respuesta
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a fictional time increment similar to a therblig
-
units required divided by workers required
-
workers required divided by total operation time required
-
total work time available divided by units required
-
units required divided by total work time available
Pregunta 77
Pregunta
With the "many suppliers" sourcing strategy, the order usually goes to the supplier that offers the highest quality
Pregunta 78
Pregunta
which sourcing strategy is particularly common when the products being sourced are commodities?
Respuesta
-
many suppliers
-
few suppliers
-
vertical integration
-
virtual companies
-
keiretsu
Pregunta 79
Pregunta
A fried chicken fast-food chain that acquired feed mills and poultry farms has performed which of the following?
Respuesta
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horizontal integration
-
forward integration
-
current transformation
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job expansion
-
backward integration
Pregunta 80
Pregunta
A rice mill in south Louisiana purchases the trucking firm that transports packaged rice to distributors. This is an example of which of the following?
Respuesta
-
backward integration
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keiretsu
-
forward integration
-
current transformation
-
horizontal integration
Pregunta 81
Pregunta
A restaurant runs a special promotion on lobster and plans to sell twice as many lobsters as usual. When this large order is sent to the distributor, the distributor assumes that large size is a trend, not a one-time event. the distributor therefore places an even larger order with the lobsterman. this behavior is the result of which of the following?
Respuesta
-
vendor-managed inventory
-
CPFR
-
double marginalization
-
postponement
-
the bullwhip effect
Pregunta 82
Pregunta
The bullwhip effect refers to the increasing fluctuations in orders that often occur as orders move through the supply chain
Pregunta 83
Pregunta
The overarching solution to the bullwhip effect is simply for supply chain members to share information and work together
Pregunta 84
Pregunta
Which of the following is NOT a potential cause of the bullwhip effect
Respuesta
-
price fluctuations
-
order batching
-
demand forecast errors
-
shortage gaming
-
channel coordination
Pregunta 85
Pregunta
Which of the following is the prescribed remedy when the bullwhip effect is caused by shortage gaming?
Pregunta 86
Pregunta
Which of the following is generally found in most Lean environments?
Respuesta
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a push system for high margin items and a pull system for low margin items
-
a push or pull system, depending upon the rate of demand
-
a push system for purchased parts and a pull system for manufactured parts
-
push systems
-
pull systems
Pregunta 87
Pregunta
Which of the following is specifically characterized by a focus on continuous improvement, respect for people, and standard work practices?
Pregunta 88
Pregunta
Which of the following is specifically characterized by continuous and forced problem solving via a focus on throughput and reduced inventory?
Pregunta 89
Pregunta
Which of the following is specifically characterized by the elimination of waste through a focus on exactly what the customer wants?
Pregunta 90
Pregunta
Which of the following is NOT one of the Seven Wastes?
Respuesta
-
transportation
-
motion
-
overproduction
-
assignment
-
defective product
Pregunta 91
Pregunta
One goal of JIT partnerships is the removal of in-plant inventory by delivery in small lots directly to the using department as needed
Pregunta 92
Pregunta
JIT systems carry inventory just in case something goes wrong
Pregunta 93
Pregunta
Hidden problems are generally uncovered during the process of reducing inventory
Pregunta 94
Pregunta
Characteristics of just-in-time partnerships do NOT include:
Respuesta
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large lot sizes to save on setup costs and to gain quantity discounts
-
produce with zero defects
-
focus on core competencies
-
long-term contracts
-
removal of in-transit inventory
Pregunta 95
Pregunta
Which one of the following statements is TRUE regarding JIT inventory?
Respuesta
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it exists just in case something goes wrong
-
it is the minimum inventory necessary to keep a perfect system running
-
it is minimized with large lot production
-
it increases if setup costs decrease
-
it hides variability