What material should clothes worn during welding be made of?
A) 100% polyester B) 100% cotton
C) 65% polyester, 35% nylon D) A polyester, nylon, acetate blend
B
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Cuando el voltaje se limite a 300V a tierra, la separación mÃnima de los conductores de bajante de servicio sobre la propiedad residencial es de _____.
a. 6 pies (1,82 m) b. 8 pies (2,43 m) c. 12 pies (3,65 m) d. 15 pies (4,57 m)
In the accompanying figure, what is the name for the structural shape that is in the middle?
A. Channel B. Structural tube C. Tee D. Standard beam
____________________ is the variation in grade and length of fleece.
Fill in the blank(s) with the appropriate word(s).
A serious problem common only to three phase motors is:
A) Single phasing. B) Excessive load. C) Excessive time on locked rotor amperage. D) Operation at voltages that are too high.