_____ is when the arc, filler metal, joint travel, and joint guidance are all controlled by a machine.?
?
A. Pipe welding?
B. Automatic welding?
C. Machine welding?
D. Robot welding?
Answer: B
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¿Cuál de las siguientes no es una manera de identificar una tubería de vapor?
a. Soportes de tubería soldados con rodillos b. Columnas de condensación en los puntos bajos de la tubería c. Curvas de dilatación en tramos largos de la tubería d. Soportes de tubería soldados que no permiten el movimiento
An SRC is made from adjoining layers of semiconductor material in the _____.
a. PN arrangement b. PNP arrangement c. NPN arrangement d. PNPN arrangement
In longeing, one end of the line is fastened to the _____.
Fill in the blank(s) with the appropriate word(s).
If a heat pump is not capable of handling the heat load, an ______________________________ will be added to help handle the load.
Fill in the blank(s) with the appropriate word(s).