During the heat-treating process, the metal is heated to a specified temperature and then cooled suddenly by plunging in water, oil, or other liquid. This sudden cooling process is referred to as:
a. case hardening
b. normalization
c. quenching
d. carburization
c. quenching
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Technician A says that radios receive AM and FM signals that are broadcast through the air. Technician B says that the radio antenna is used to induce a very large voltage signal as an input into the radio from the electromagnetic energy from the broadcast station. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
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Describe the alloyed junction method of forming a semiconductor.
What will be an ideal response?
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____ proximity detectors will sense ferrous metals better than nonferrous.
A. All-metal B. Plastic C. Tank D. Quartz
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