The magnetic field can be induced in a pipe by passing a high-amperage, low-voltage current through it using a set of _____.?
?
A. magnets?
B. electrodes?
C. probes?
D. penetrants?
Answer: C
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Sound transmission class (STC) is a measure of the
A) sound-insulating property of a material with respect to airborne sound. B) sound-insulating property of a material with respect to structure-borne sound. C) sound-reflecting property of a material. D) sound-absorbing property of a material.
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Which of the following types of piping is usually connected by threaded fittings?
a. PVC b. Copper tubing c. Stainless steel d. Carbon steel
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Fan power is measured in __________.
a. foot pounds b. cubic feet per minute c. square feet per minute d. None of the above
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The light indicating a problem with the ABS system is colored ________
A) Amber B) Green C) Red D) None of these
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