DT Metals Quiz

Which property of metals allows them to be hammered into thin sheets?

• Malleability

• Ductility

• Conductivity

• Brittleness

What is an alloy?

• A pure metal

• A mixture of two or more elements, where at least one is a metal

• A type of metal finishing technique

• A method of joining metals

Which of the following is NOT a metal forming technique?

• Casting

• Welding

• Forging

• Extrusion

Which metal finishing process involves coating a metal with a thin layer of another metal, typically using electricity?

• Anodizing

• Galvanizing

• Electroplating

• Powder coating

What is the primary purpose of creating alloys?

• To weaken the metal

• To enhance the appearance of the metal

• To improve the properties of the metal

• To reduce the cost of pure metals

Which of the following is a characteristic of ferrous metals?

• They do not contain iron

• They are non-magnetic

• They contain iron

• They are always lightweight

What is the process of heating a metal to a high temperature and then cooling it slowly to make it less brittle called?

• Tempering

• Hardening

• Annealing

• Quenching

Which metal joining method involves melting a filler metal to join two pieces of metal together without melting the workpieces?

• Soldering

• Brazing

• Welding

• Riveting

Which of the following is NOT a characteristic of non-ferrous metals?

• They are generally more corrosion-resistant than ferrous metals

• They typically have a higher strength-to-weight ratio

• They contain iron

• They are often used in electrical and thermal applications

What is the process called where a metal surface is deliberately oxidized to prevent further corrosion?

• Galvanizing

• Anodizing

• Electroplating

• Powder coating