Exam 22: Plasma Arc Cutting

A ____ arc is an arc between the electrode tip and the nozzle tip within the torch head.

A(n) ____ is the space left in the metal as the metal is removed during a cut.

A ____ is a two-conductor, low-voltage, stranded copper wire that connects the power switch to the power supply.

A(n) ____ helps to protect the internal parts from accidentally shorting out to the work.

Setting the amperage to the lowest possible level will extend the life of the torch parts.