Before using a voltmeter, always ____.
A. Zero the ohms adjustment.
B. Touch the two leads together to insure continuity.
C. Set the range selector to a setting higher than the voltage you expect to read.
D. Turn off the power.
Answer: C
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a. intelligence b. interrupting c. international d. instigating
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a. a circulating fan b. a centrifugal blower c. gravity d. radiation
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Why is it illegal to operate a torch with an acetylene pressure greater than 15 psi?
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