What form of power has replaced nearly all horses and mules once used for draft purposes?
A. Tractors
B. Solar
C. Robotics
D. None of these
Answer: A
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All welding and cutting processes produce undesirable by-products.
Answer the following statement true (T) or false (F)
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Which of the following should be at least 18" in length when used to connect a junction box mounted above a suspended ceiling to a fixture installed in a suspended ceiling?
a. Flange hanger b. T-bar clip c. Free conductor d. Fixture whip
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Which of the following categories of Soil Taxonomy provides the greatest specificity of soil properties?
A) order B) series C) great group D) suborder E) family
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The booming automobile industry in the early 1900s required a __________ for
high speed applications. A. mechanical seal B. lip seal C. stuffing box D. labyrinth seal
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