Conventional current can be described as
A) current flowing from positive to negative B) neutron flow from negative to positive
C) electron flow D) current flowing from negative to positive
A
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?Solvent-dip polishing of cellulosic and ____ plastics may be used to dissolve minor surface defects.
A. ?acrylic B. ?laminate C. ?thermosetting D. ?epoxy
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What cutting fluid should be used when tapping threads to a cast iron block?
A. dry B. soluble oil C. water D. lard
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?What metals can produce poisonous metal fumes that must be collected in a fume collection system to prevent air pollution?
A. ?cadmium B. ?zinc C. ?chromium D. ?All of the above
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What is the difference between an 80% efficient furnace and a 90% efficient furnace?
What will be an ideal response?
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