PTAC test 3 Questions and Correct Answers | Latest
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The Leans trategy Ans: can be implemented either as a stand-alone
strategy or as an add-on to an existing
Six Sigma effort
One of the major benefits of the Lean approach is Ans: the elimination of
much of the costly waste that reduces profits
Dr. James Womack introduced the term "Lean"in the 1980s when he
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published his book describing Ans: the Toyota Production System (TPS)
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Unit A currently schedules its lunch hour one hour before Unit B's. The
company has asked each unit to assign half of their workers to take the
early break and the other half the later break. Which form of waste will
that reduce? Ans: transport
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The Japanese term for lack of uniformity is Ans: Mura
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Using the Lean approach can result in________. Ans: a reduction of waste
Among the available Lean optimization tools, the processing industry will
Ans: choose tools based upon the operations area within the company
A value stream map (VSM) Ans: is a high-level flowchart of a process
from the time a customer submits an order until the point where the
customer receives it
Kanbans are Ans: inventory management cards used in Japan to signal
that more product is needed from the previous step in a just-in-time
process
Value stream maps (VSMs) can Ans: assist in identifying ways to schedule
processes so that production can most
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efficiently keep up with customer demands
The timeline on a value stream map (VSM) shows both Ans: lead time and
process time
A valuable application of a value stream map (VSM) can be Ans: to make a
future-state map based on the current VSM and use it to guide the
improvement process
Just-in-time production directly addresses which of seven categories of
Muda (waste)? Ans: Defects
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At some point during their work, process technicians will need to Ans:
oversee designed experiments
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A model can be generated Ans: by using data collected from the process
to predict future performance
The purpose of a designed experiment is to Ans: collect the greatest
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amount of useful data over the broadest range possible
Which of the following statements is FALSE about correlation and
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causation? Ans: Correlation is the same thing as causation.
If standard correlation graphs are the only allowable format and more
than two factors are involved Ans: . lines will have to be mapped for each
possible pair of factors involved
The detailed knowledge of process technicians directly involved in
factory activities ________. Ans: plays a key role in understanding what
the results from these types of experiments mean.
To predict how a process will run within a given range, Ans: it is
acceptable to provide estimators for the data that has not been collected
If there is concern about the normal variation in the design of the
process, the experiments can be Ans: repeated in blocks to get two data
points at each set of conditions