On a GTAW torch, to change an electrode or adjust its stickout, the welder loosens the _____

a. electrode back cap
b. nozzle gasket
c. retaining cup
d. gas nozzle


a

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The purpose of an incident investigation interview is to _____.

a. establish liability b. find out who is at fault c. protect the company from future losses d. obtain an accurate picture of what happened

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Each species has a name composed of two words

Indicate whether the statement is true or false

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Answer the following statement(s) true (T) or false (F)

1. The air-cooled Scotsman cube-type ice maker operates much more quietly than the water-cooled version 2. Continuous circulation of water produces a clearer ice. 3. Flaker-type ice makers harvest ice cubes at certain intervals. 4. A nylobraid tube carries the ice to the ice storage bin. 5. The auger delay pressure control switch is connected in the high side of the refrigeration system.

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Air conditioning and refrigeration reversible ratchet wrenches are used to ____.

A. tighten hex head sheet metal screws B. tighten flare nuts C. open and close refrigerant service valves D. tighten nuts that cannot be reached with other wrenches

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