WorksheetsHeat Treatment Quiz
Total questions: 10
Worksheet time: 8mins
What is the result of normalising steel?
Tough with some ductility
Hard but brittle
Soft with high ductility
Soft and brittle
Which process involves allowing the grains within the metal to grow, making the metal softer and easier to work?
Precipitation hardening
Annealing
Hardening
Quenching
What is the purpose of annealing copper?
To make it easier to work
To make it brittle
To remove black scale
To increase strength
What is the critical point temperature for annealing steel?
Just above the upper critical point
Just below the lower critical point
At the melting point
At room temperature
How is aluminium alloy annealed after working?
By soaking at 350-400°C
By cooling in water
By heating to a dull red colour
By leaving it in the furnace after switching off
What is the purpose of quenching in the hardening process?
Which type of steel can be hardened by heat treatment?
Stainless steel
High-carbon steel
Alloy steel
Low-carbon steel
What structure does steel form after quenching?
Martensite
Austenite
Pearlite
Ferrite
What is the purpose of tempering quenched steel?
To reduce toughness
To increase brittleness
To increase hardness
To reduce hardness
What is the result of precipitation hardening in aluminium alloys?
Decreased ductility
Increased ductility
Decreased strength
Increased strength
