When E6010 electrodes are used to make the root pass on open-root V-groove pipe welds, it is important to
_____.
a. use the keyhole technique to achieve proper root penetration
b. set the amperage to the upper part of the suggested range
c. avoid using a whipping motion that might disrupt the puddle size
d. maintain a long arc or substitute E7018 electrodes
a
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Which eastern European social group was targeted by Stalin and sent to Soviet labor camps between 1945 and 1953?
a. peasant farmers b. interwar elites c. politicians and community leaders d. former military officers and soldiers
Unlike the high-technology industry, the construction industry does not place much
emphasis on R & D. Indicate whether the statement is true or false
Process annealing is done below the transformation temperature of the alloy
Indicate whether the statement is true or false
ALU circuits perform arithmetic and logic operations
Indicate whether the statement is true or false