Factors included in power source decisions include:
A) Amperage range B) Welding current C) Incoming power D) All of the above
D
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What is the material in a bag of grass seed that adds bulk and weight but will not grow?
a. noxious weeds c. fertilizer b. filler d. inert material
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A typical drum brake backing-plate has how many shoe support pads (also called ledges)?
A) 3 B) 8 C) 6 D) 4
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What is an alloy made for?
What will be an ideal response?
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If a dry soil high in certain types of ________ is moistened, it is likely to swell up with enough force to crack pavements and building foundations
A) clay B) iron C) humus D) silt E) any of the above
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