Technician A says that a shielding gas flow of 25 to 30 cfh is the general recommendation for shielding gas for collision repair GMAW. Technician B says that AWS-ER70S-6 is the type of electrode recommended for collision repair welding. Who is correct?
A. Technician A only
B. Technician B only
C. Both Technicians A and B
D. Neither Technician A nor B
C. Both Technicians A and B
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¿Cuál de las siguientes afirmaciones es verdad en lo que respecta a transformadores de potencial?
a. Sólo se venden de aceite. b. Normalmente el valor nominal de kVA del secundario es superior a los 5 kVA. c. El secundario de un transformador de potencial siempre se conecta a través de las líneas de electricidad principales. d. Son transformadores monofásicos.
Wool cannot be worn in the summer because it does not absorb moisture
Indicate whether the statement is true or false
Kevlar is the brand name for which fiber used in tire construction?
A) Polyester B) Aramid C) Nylon D) None of these
The total resistance of a series circuit with resistances of 18 and 9 is:
A) 18 × 9 = 162 B) 18 — 9 = 9 C) (18 × 9 )/(18 + 9 ) = 6 D) 18 + 9 = 27