Technician A says valve stems are often coated with Teflon. Technician B says chrome is the popular stem coating in Europe. Who is correct?
A. Technician A
B. Technician B
C. Both technicians
D. Neither technician
Answer: D
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A _____ joint is used to create a plane of weakness in conjunction with joint reinforcement.
A. control B. building expansion C. construction D. cold
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Shielding gases in the gas metal arc process are used primarily to protect the molten metal from oxidation and ____________________.
Fill in the blank(s) with the appropriate word(s).
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A process that is ____________________ means that the filler metal is melted.
Fill in the blank(s) with the appropriate word(s).
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The majority of the electric motors in use are ____________________ that operate at a nearly constant speed.
Fill in the blank(s) with the appropriate word(s).
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