The three essential parts of an operating circuit include all of the following EXCEPT the:

A. voltage source
B. circuitry
C. switch
D. load component


Answer: C

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The most commonly used scale found on blueprints is ____ inch equals 1 foot.

a.1/16 b.1/8 c.1/4 d.1/2

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What is a scaffold?

These lines show the extent of a dimension:

A. extended lines B. reference lines C. dimension lines D. connection lines E. extension lines

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The ____ welds are used to build up a surface by running one or more stringers or weave beads across an unbroken surface.

A. surfacing B. permanent C. temporary D. horizontal

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