_____ es un electrodo de tierra aceptable.
a. Una tubería de gas subterránea
b. Una tubería de agua de PVC
c. La estructura de metal de un edificio que se conecte a tierra de forma efectiva
d. Una tubería de agua subterránea en contacto directo con la tierra durante 6' (1,83 m)
c. La estructura de metal de un edificio que se conecte a tierra de forma efectiva
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In shielded metal arc welding the electrode holder starts at a distance of ____ in. from the work.
A. 4 B. 6 C. 14 D. 20
Particulate matter (PM) is generally referred to as soot and smoke.
Answer the following statement true (T) or false (F)
A steam hybrid engine uses heat from the ____ to create the steam.
A. exhaust B. engine C. brakes D. wheels
A professional driver who has a CDL must report any involvement in an accident to his or her employer, whether it involves a CMV or a personal vehicle.
Answer the following statement true (T) or false (F)