Heat Treatment Quiz

Which of the following is a heat treatment technique?

• Painting

• Annealing

• Polishing

• Sanding

What does heat treatment typically involve?

• Painting and drying

• Heating or chilling

• Cutting and shaping

• Mixing and stirring

Which process involves heating and then cooling a material to alter its properties?

• Annealing

• Painting

• Sanding

• Polishing

What happens to steel when it is rapidly cooled after heating?

• It becomes soft and malleable.

• It freezes the atoms in an unstable position.

• It becomes more ductile.

• It loses all its strength.

What is the main purpose of tempering steel?

• To increase its hardness.

• To make it more brittle.

• To allow atoms to re-arrange into a stable position.

• To cool it rapidly.

What happens to the steel after it is held at high temperature in the normalizing process?

• It is quenched in oil

• It is left to air cool

• It is submerged in water

• It is immediately used

What does normalizing establish in steel?

• A more uniformed carbide size

• A higher melting point

• A softer texture

• A brighter color

What is carbide in the context of the normalizing process?

• A type of metal

• A compound of carbon with a more electropositive element

• A cooling agent

• A type of gas

What is the purpose of holding steel at a high temperature during the normalizing process?

• To melt the steel

• To allow transformation to occur

• To change its color

• To reduce its weight

Which industry uses carburizing as a heat treatment process?

• Aviation

• Aerospace

• Automotive

• Marine