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DOL SECTION 9 EXAM QUESTIONS WITH VERIFIED ANSWERS
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DOL SECTION 9 EXAM QUESTIONS WITHVERIFIED ANSWERS
9.2. Goldratt's theory of constraints deals with money in relationship to three
fundamental measurements for evaluating a system. Align the following measures
with their monetary equivalents.
a. Throughput is money going out
b. Inventory is money stuck inside
c. Operational expenses are incoming money
d. Inventory is money going out - ANSWER Answer b is correct.
9.3. Which of the following statements is true regarding experimental error?
a. This error is due to material uniformity and to inherent experimental variability
b. This error can be changed statistically by increasing the degrees of freedom
c. The error can be reduced only by improving the material
d. In a well-designed experiment there is no interaction effect - ANSWER Answer
a is correct.
9.4. As with the seven quality management tools, the Japanese concept of
workplace organization, 5S, has
been "Americanized." Of the five original tools, which is the hardest to find in the
American system?
a. Seiri
b. Seiton
C. Shitsuke
d. Seiso - ANSWER Answer c is correct.
9.5. An incomplete block design may be especially suitable when:
,a. There is missing data
b. There is need for fractional replication
c. It may not be possible to apply all treatments in every block
d. There is a need to estimate the parameters during the experimentation -
ANSWER Answer c is correct.
9.6. The main objection to designed experimentation in an industrial environment
is:
a. Obtaining more information for less cost than with traditional experimentation
b. Getting excessive scrap as a result of choosing factor levels that are too extreme
c. Verifying that one factor at a time is the most economical way to proceed
d. Obtaining data and then deciding what to do with it - ANSWER Answer b is
correct.
9.7. When considering EVOP as a statistical tool:
a. A change in the means indicates that the wrong model has been used
b. An external estimate of the experiment error is necessary
c. It may be extended beyond the two-level factorial case
d. One is limited to one response variable at a time - ANSWER Answer c is
correct.
9.8. Identify the lean enterprise technique in which the videotaping of a segment of
the operation is helpful:
a. SUR/SMED
b. TPM
c. Taki time determination
d. FIFO - ANSWER Answer a is correct.
9.9. The DOE term "collinear" refers to:
, a. Two linear variables
b. A linear interaction
c. Variables being a linear combination of one another
d. Linear correlation - ANSWER Answer c is correct.
9.10. The smallest run number possible to examine the main effects of 22 factors at
2 levels is:
a. 23
b. 24
C. 44
d. 56 - ANSWER Answer b is correct.
9.11. Prior to the full-scale deployment of a potential product, process, or
equipment change, an
improvement team would be wise to:
a. Consider an expansion to new markets
b. Upgrade any obsolete facilities
c. Conduct a pilot study
d. Consider what the competition's reactions might be - ANSWER Answer c is
correct.
9.12. When selecting and scaling the process input variables for an experiment,
what is a desirable
approach?
a. Include all known factors
b. Set factor levels at practical or possible levels
c. Combine process measurement responses when possible
d. Select very high and low factor levels - ANSWER Answer b is correct.
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