Readings from analog meters are generally limited to ____-digit accuracy.
a. two
b. three
c. four
d. six
b. three
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The evaporator fan is located in the outdoor unit in a split-system air-conditioner
Indicate whether the statement is true or false
A two-line oil piping system is used when the oil supply level is below the burner because it _____
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____ are used in light meters for photographic equipment, instruction detectors, automatic door openers, and various kinds of test equipment to measure light intensity.
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