If a wire repair, such as that made under the hood or under the vehicle, is exposed to the elements, which type of repair should be used?

A) Rosin-core solder and electrical tape
B) Solder and adhesive -lined heat shrink or crimp-and-seal connectors
C) Butt connectors
D) Wire nuts and electrical tape


B) Solder and adhesive -lined heat shrink or crimp-and-seal connectors

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An adequate ____________________ supply, a balanced diet, and free-choice mineralized salt should provide all the necessary fluid and electrolytes for racing or extended work.

Fill in the blank(s) with the appropriate word(s).

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Fuel injectors can be tested using ________

A) An oscilloscope B) An ohmmeter C) A stethoscope D) Any of these

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Oils or fluids from cutting or storage must be removed with ________ approved for welding operations

A) an air compressor B) a cleaning solvent C) a grinding method D) All of the above

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When moisture is present in a refrigeration system, it will react with the refrigerant and the oil to form ____.

A. carbon dioxide B. acid C. carbon monoxide D. all of the above

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