For fabricating structural and low alloy steels, the core wires of the electrode use ____.
A. high carbon steel
B. high nickel alloys
C. the approximate composition of the material to be welded
D. low carbon steel
Answer: D
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A perfect solar site allows the structure to have unobstructed ____ exposure.
A. northern B. southern C. eastern D. western
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True or false? Soil erosion is always caused by people who fail to take care of the land
What will be an ideal response?
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Files do not make good pry bars because they are:
A) Too tough B) The wrong shape C) Too brittle D) Not long enough
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Typical methods of transportation to a wind turbine include: surface vessel, service truck, and _________.
A. helicopter B. ultra-light C. water skis D. Amtrak
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