WELDING TERMS
The metal is heated to a softened state by electrodes
Pressure Welding
Draws air through the radiator.
engine fan
What should the repairer remove before replacing the floor pan?
Gas Tank
an electric current that reverses its direction many times a second at regular intervals, typically used in power supplies.
Alternating current
Pieces of metal are heated to the melting point, joined together, and allowed to cool.
Fusion Welding
It is a pump in the vehicle that causes water to circulate
water pump
Before repair work begins, all plastic panels should be washed with:
soap and water
a unit of electric current equal to a flow of one coulomb per second
Amperes
The exposed surface of the weld on the side that has been welded
Weld Face
Radiator-like device used in heating the cabin of a vehicle.
heater core
What grit sandpaper is used at the final stage of sanding flexible parts for refinishing?
400
a series of events that are regularly repeated in the same order.
On the back of a weld is an indication of a good weld penetration
Burn Mark
Rubber hoses found on virtually all vehicles equipped with internal combustion engines.
heater hoses
In repairing the center of a roof panel, what part should be removed to prevent damaging it?
Headliner
​magnetism produced by an electric current
Electromagnetism
Results from penetrating too much into the lower base metal, which burns a hole through the back side of the metal
Burn-through
An expansion tank or expansion vessel is a small tank used to protect closed water heating systems
coolant expansion tank
What important piece of protective clothing is needed when mixing urethane for paint refinishing?
Rubber gloves
any electron that is not attached to an ion, atom, or molecule and is free to move under the influence of an applied electric or magnetic field.
Free electrons