Metallurgy

Sheet metal is defined as material __________ thick.

3/16 inch or less

Ductility is a term used to describe what mechanical property in metals?

Ability to be stretched and formed

A metal that is bright in surface color and light weight is?

Aluminum

A common method of controlling distortion when welding is to weld with a?

Backstep method

Distortion is tee joints can be controlled be welding?

Both sides using intermittent

The element which has the MOST important effect on the weld ability of ordinary gray cast iron is?

Carbon

Which element is the reason for pre-heating and post heating metals?

Carbon

Two factors the affect the degree to which a metal will distort are thermal expansion and?

Contracting

The non-uniform expansion and contraction of weld metal and adjacent base metals is called?

Distortion

A metal that stretches a considerable amount before breaking is said to have?

Ductility

The purpose of post weld heat treating cast iron is to?

Eliminate Cracking

A steel that contains medium to high carbon is expected to have a higher?

Hardness

The portion of the melted during welding, but it'base metal that is not melted during welding, but it's structure and properties are altered, is the?

Heat-affected zone

Which of the following is a ferrous metal? aluminum copper magnesium mild steel

Mild steel

Cast iron is cooled slowly after welding to?

Minimize contraction stresses

A major weld defect associated with welding galvanized steel is?

Porosity

Tensile strength is the resistance a metal has to being?

Pulled apart

What is the most common reason for post weld heat treatment?

Stress relieving

In welding applications the term, base metal, refers to?

The metal to be welded

The ability of metal to withstand shock loading is known as it's?

Toughness