Shielded metal arc welding electrodes, sometimes referred to as welding rods, arc welding rods, stick electrodes, or simply electrodes, have four parts.
Answer the following statement true (T) or false (F)
False
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What side of the joint is the weld to be made on based on the welding symbol shown in Figure 1?
a. Arrow side
b. Other side
c. Both sides
d. None of the above
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La manera más conveniente de manejar las secciones de una pluma reticulada es por medio de _____.
a. eslingas de nylon b. polipastos de cadenas c. cabrestantes d. abrazaderas de vigas
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Most voltmeters are ____ voltmeters.
a. partial-scale b. fixed c. multirange d. monorange
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Which of the following refrigerants is a recommended drop-in replacement for reefer trailer R22 refrigeration systems?
A. R-12 B. HFC 422d C. R-134a D. propane
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