?A major skill requirement for making consistently accurate FCA welds is ________________.
A. ?knowing your skill limitations
B. ?not to drink coffee because it can cause your hand to shake too much
C. ?the ability to set up the welding system
D. ?to use smaller diameter electrode wire sizes
Answer: C
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The clear height of openings in CMU walls is ________.
A) 3/8 in. less than the multiples of the masonry unit module. B) 3/8 in. greater than the multiples of the masonry unit module. C) 1/8 in. less than the multiples of the masonry unit module. D) 1/8 in. greater than the multiples of the masonry unit module. E) none of the above.
Roughly one-third of U.S. forest and woodland is referred to as noncommercial forestland
Indicate whether the statement is true or false
Long-term welding of toxic materials requires an approved full-face, supplied-air respirator with the
breathing air supplied from _____. a. outside the work area b. a compressed oxygen tank c. inside the curtained work area d. the welding shop duct system
____ duct systems have large ducts installed through the center of the house with smaller ducts run off the trunks to supply individual rooms.
A. Trunk and branch B. Radial C. Spider D. Plenum