Many cleaning methods involve chemicals that are hazardous to use. The least hazardous method is ________
A) Pyrolytic oven B) Hot soak tank C) Hot vapor tank D) Cold soak tank
A
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Plant nutrients move through soil through __________ (number) types of cycles
Fill in the blank(s) with the appropriate word(s).
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?What's a major difference between E6010 and E6012 electrodes?
A. ?E6010 electrodes produce less penetrating welds. B. ?E6010 electrodes generate less spatter. C. ?E6012 electrodes generate less smoke and produce a thicker slag layer on the weld. D. ?E6012 electrodes produce stronger welds.
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The effect of current through the body is harmful, and currents as low as ____ ampere are generally fatal.
a. 0.05 b. 0.15 c. 0.25 d. 0.5
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The coil of a potential relay used with small single-phase compressors should have a resistance of approximately:
A) 50 ?. B) 250 ?. C) 10,000 ?. D) 1 ?.
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