WELDERS (Lessons 1-12)

Complete the sentence

When the molten material is cooled, it forms a strong______.

• welder

• brass

• bond

• alloy

A combination of different metals is called _____.

• lead

• brass

• concrete

• alloy

___________is a process that joins materials, usually metals

• welder

• welding

• cutting

• welding machine

The ability of a material to bend and then return to its original shape and size is called___

• ductility

• wear-resistance

• elasticity

• conductivity

One of the most  common elements found on Earth is ______

• brass

• iron

• gold

• copper

The hardness of a material affects its______

• durability

• conductivity

• malleability

• elasticity

_____is an alloy of copper and zinc

• tin

• brass

• lead

• copper

What is it?

• tork

• toch

• torch

• touch

what is it?

• welding horses

• welding hoses

• welding houses

• welding hooses

What is used to stop the flame or reverse the flow of gas?

• chack valves

• welding hoses

• torches

• flashback arrestors