brazing/soldering terms

What is an alloy?

• A single metal element

• A material made of two or more elements, at least one of which is a metal

• A type of plastic

• A form of ceramic

What is alloy steel?

• A type of plastic

• A steel with additional alloying elements like nickel and chromium

• A pure form of iron

• A type of wood

What is the definition of base metal?

• A type of precious metal

• The metal or alloy that is welded, brazed, soldered, or cut

• A type of gemstone

• A form of plastic

What is brass primarily composed of?

• Copper and tin

• Copper and zinc

• Iron and carbon

• Aluminum and magnesium

What is braze welding?

• A process using a filler metal that is liquid above 425°C and not distributed by capillary action

• A type of painting technique

• A method of cutting metal

• A form of plastic molding

What is capillary action?

• A method of cutting metal

• A form of surface tension between the molecules of a liquid and those of a solid

• A type of welding technique

• A method of painting

What is an element?

• A type of alloy

• A substance which cannot be broken down into other substances

• A form of plastic

• A type of gemstone

What is flux used for?

• To add color to metals

• To prepare metal surfaces to keep them free of oxides during heating

• To increase the weight of metals

• To cool down metals

What is the definition of fusion in welding?

• The space between the outside of the pipe and the inside of the cup

• The melting together of filler metal and base metal, or of base metal only, to produce a weld

• The lowest temperature at which the metal is completely liquid

• The scale that forms on metal surfaces when they are heated

What is the term for the space between the outside of the pipe and the inside of the cup?

• Fusion

• Gap

• Oxide

• Solidus