Which of these is measured as a percentage?
A) Dwell
B) Duty cycle
C) Pulse width
D) None of these
B
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One example of an administrative control is _____.
a. establishing an electrically safe work condition b. worker rotation c. installing a barricade d. installing an audible alarm
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Interval or intermittent wipers use a variable resistor to directly control current flow to the motor.
Answer the following statement true (T) or false (F)
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Which weed species is often found on compacted soils?
a. dandelion b. clover c. carpetweed d. knotweed
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?What software measures performance of a solar domestic water heating system?
A. ?F-FLOW B. ?F-CHART C. ?F-PERCENT D. ?FLOW PERCENT
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