Underwater welding

Joining pieces of metal (or non metal) at faces rendered plastic or liquid by heat or pressure (or both)

• welding

• joint

• arc

• alloy

A junction or mode of joining parts together. The place where two things are joined together.

• inspection

• joint

• arc

• alloy

The luminous arc or bridge across a gap between two electrode when an electric current is sent through them.

• arc

• welding

• laser

• inspection

A careful, narrow or criticak examination or survey, an official examination.

• alloy

• inspection

• laser

• joint

An instrument which amplifies light waves by stimulation to produce a powerful, coherent beam of monochromatic light, an optical maser.

• laser

• welding

• inspection

• arc

Metal blended with some other metallic or nonmetallic substance to give it Special qualities, such as resistance to corrosion, grater hardness, or tensile strength.

• joint

• arc

• inspection

• alloy

Peculiar or inherent quality.

• arc

• welding

• property

• alloy

A hot, ionized gas containing approximately equal numbers of positive ions and electrons.

• property

• welding

• plasma

• inspection

Welder-divers must have the skills of commercial diving and need to be certified

• True

• False

The majority of work performed by an average Welder-divers includes only the welding operation itself.

• True

• False