One of the advanced features associated with the GTAW process is the high-frequency intensity controls that

provide better _____.

a. arc starting
b. arc ending
c. craters
d. weld


a

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Condensation on pipes occurs when a cold surface is exposed to _____.

a. warm, moist air b. cold, dry air c. warm, dry air d. cold, moist air

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The vertical datum used to establish elevations on the map is the

Fill in the blank(s) with the appropriate word(s).

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Heating cable for snow-melting is typically installed in a serpentine pattern with loops spaced at _____.

a. 6 inches (15 cm) on center b. 1 foot (30 cm) on center c. 1.5 feet (46 cm) on center d. 2 feet (61 cm) on center

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Identify the welding process that uses resistance welding where the base materials are clamped between two electrodes and a momentary electric current produces the heat for welding at the contact spot.

What will be an ideal response?

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