Welding 1 Module 3 Trade Terms Exam 2025 Questions & Answers with 100% Correct Answers | Verified

A waste by product of molten metal. - Dross A fourth state of matter (not solid, liquid, or gas) created by heating a gas to such a high temperature that it boils electrons off the gas molecules (ionization). - Plasma The plasma arc cutting process type most commonly . used. - Transferred Arc Process When operating plasma arc cutting equipment, it is acceptable to wear a hat made out of ______. - 100% cotton The unit of measure used for the intensity of an electric current; often abbreviated to amp or amps - Amperage (amps) The percentage of time a plasma arc cutting machine can cut without overheating within a ten-minute period. - Duty Cycle In a 3 phase power supply system, the sine waves of the voltage on each of the 3 separate conductors is displaced from each of the others by 120 degrees, although all conductors are carrying alternating current at the same frequency and are synchronized. Each of the 3 sine waves is referred to as a phase of the power source. - Phase The relative electrical voltage difference between 2 points of reference;the electromotive force or difference in potential between 2 points, expressed in volts. - Potential A valve used to control to the flow of gases or liquids that is opened or closed by the action of energized electromagnet. - Solenoid Valve The duty cycle range for a light-duty unit is typically _____ - 35%