The term _______________ refers to the number of states that the power circuits can be switched into.
Fill in the blank(s) with the appropriate word(s).
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It is desirable for the sensor to produce a certain amount of ____________________ instead of a certain amount of voltage because it eliminates the problem of voltage drop on lines.
Fill in the blank(s) with the appropriate word(s).
Quality tools include all of the following except:
a. statistical process control. b. flowcharts. c. cause and effect diagrams, fishbone. d. pareto charts. e. run charts. f. control charts. g. planned experimentation. h. audit and evaluation. i. histograms or frequency plots. j. forms for collecting data. k. scatter plots.
Choose the best answer, and explain. If X is a random variable with a lognormal distribution, then _______
i. the mean of X is always greater than the median. ii. the mean of X is always less than the median. iii. the mean may be greater than, less than, or equal to the median, depending on the value of ?.
Why are standard low-efficiency furnaces no longer manufactured?
A) The thermocouple flame safety devices they use have not been thoroughly field tested. B) They cannot provide the minimum 80 percent AFUE required by DOT. C) The standing pilot flame safety devices were deemed too hazardous after several technicians were electrocuted while changing a thermocouple. D) Thermocouples proved to be an unreliable technology.