?Who should supervise the testing of your weld?

A. ?A friend so they can help you prepare the test specimens because all of that grinding is hard work.
B. ?The person who wrote the code.
C. ?Your welding teacher or a school administrator.
D. ?The same individual or group that witnessed you taking the test.


Answer: D

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In an induced-draft gas furnace, the first component to energize on a call for heat is:

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?A technician is capturing a current waveform for a load component on the positive side of a circuit. The current waveform shows higher-than-normal current flow. Which statement is true?

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