The temperature of an oxyacetylene neutral flame can reach:
A) 9,162°F B) 6,000°F C) 4,000°F D) None of the above
B
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What are the coordinates of point F in the accompanying figure?
A. (1,-7) B. (-1,7) C. (3,2) D. (-1,-7)
In acrylic technique, when the sable brush is dipped into liquid, then powder, this forms:
What will be an ideal response?
Grease and oil must be kept away from oxygen tanks used for brazing because they _____
A) will contaminate the brazed joints and cause them to fail B) could cause an explosion in the presence of oxygen C) are incompatible with lubricants used on the oxygen regulator D) will clog the oxyacetylene torch
Nobles derived their income and status from which sources?
a. titles and privileges b. land and labor forces c. military experience and plunder d. royal support and employment