To keep a molten weld pool from becoming too large, ____ the travel speed, ____ the angle, shorten the arc length, or lower the amperage
A. increase, increase
B. decrease, increase
C. decrease, decrease
D. increase, decrease
Answer: D
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Suppose the index of prices received by farmers for 2012 was 1.70 and the base year of this index was 1996. Then
A) relative to 2012, prices received by farmers were 70% lower in 1996. B) relative to 2012, prices received by farmers were 70% higher in 1996. C) relative to 1996, prices received by farmers were 70% higher in 2012. D) relative to 1996, prices received by farmers were 70% lower in 2012.
Describe the main duties of zoologists
What will be an ideal response?
For vapor barriers, ____-mil polyethylene is generally used.
A. 5 B. 6 C. 8 D. 10
Kerosene space heaters use
A) Number 6 fuel oil B) Number 1 fuel oil C) White gasoline D) Number 2 fuel oil