Metalmecánica Heat Treatment Processes Quiz

What is the main purpose of heat treatment processes?

• To reduce the melting point of the metal

• To improve mechanical properties

• To change the composition of the metal

• To increase the weight of the metal

Which of the following is a softening treatment process?

• Annealing

• Nitriding

• Tempering

• Quenching

What is the purpose of annealing in the softening process?

• To increase the hardness of steel

• To improve machinability

• To reduce ductility

• To remove gases from the material

What is the main aim of normalizing in the softening process?

• To decrease toughness

• To increase brittleness

• To reduce tensile strength

• To promote uniformity of structure

Which process is used to modify the properties of steel hardened by quenching?

• Tempering

• Age Hardening

• Nitriding

• Cyaniding

What is the purpose of tempering in the hardening process?

• To decrease wear resistance

• To reduce toughness

• To improve ductility

• To increase brittleness

What is the opposite process of annealing?

• Quenching

• Normalizing

• Tempering

• Age Hardening

What is the purpose of hardening steel?

• To decrease the hardness of steel

• To resist wear

• To reduce the toughness of steel

• To decrease the resistance to corrosion

What is the main structure by heat treatment processes?

• To change or refine grain size

• To reduce tensile strength

• To decrease resistance to wear

• To improve magnetic properties

What is the application of normalizing in heat treatment processes?

• Applied in quenched and tempered steels

• Applied in spring steels

• Applied in workingtool steels

• Applied in castings and forgings