Welding CDE Contest

What type of weld would you do to form a t-shape between two pieces of flat bar?

• Outside Corner

• Fillet

• Edge

• Butt

What type of light radiates from metal as discussed in metallurgy?

• Neon

• Incandescent

• Infrared

• Fluorescent

What are the two types of heat ?

• ambient, radiation

• sensible, latent

• convection, conduction

• Advection, evaporation

What is a metal that its hardness is not affected by heat .

• Titanium

• Steel

• Inconel

• Tungsten

What is a good example of a brittle, common metal?

• cast iron

• steel

• Aluminum

• Bronze

If the electrode freezes to the work you should ____________

• Increase the amperage

• Change the ground terminal

• Use a chipping hammer to knock the electrode free

• Turn the welding machine off immediately

The proper length of arc may be judged by

• The sound of the arc

• The appearance of the arc

• The appearance of the weld

• All of the these

Which of the following is not a recognized welding position?

• Diagonal

• Overhead

• Vertical

• Horizontal

Flux is a chemical compound used to prevent the:

• Metal from becoming overheated.

• Welding rod from freezing to the metal.

• Formation of carbon on the metal.

• Formation of an oxide on the metal.

Straight polarity is when

• Work is positive and the electrode is negative.

• Both the work and the electrode are positive.

• The work is negative and the electrode is positive.

• Both the work and the electrode are negative.