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WorksheetsFerrous metals and heat treatment
Total questions: 25
Worksheet time: 13mins
What is the first form of iron from iron ore?
Pig iron
Cast iron
Wroguht iron
Melleable cast iron
Which one of the following metals is heavier than the others?
Tin
Lead
Copper
Aluminium
What is the name of the property of metal, it will break rather than bend under shock or impact?
Ductility
Toughness
Brittleness
Malleability
Which one of the following metal is used to make machine table and machine beds?
PIg iron
Cast Iron
Wrought Iron
Plain Carbon Stell
Which one of the following elements(%) is used to classify plain carbon steel?
NIckel
Carbon
Cobalt
Manganese
The percentage of carbon content in plain carbon steel is used to make high tensile tubes
0.3 to 0.5%
0.5 to 0.7%
0.7 to 0.9%
0.9 to 1.1%
Hand files are made from.........
Mild steel
Medium carbon steel
High carbon steel
Dead mild steel
What is the purpose of hardening?
Refine the structure
Increase toughness
Increase cutting ability
Relieve stress and strain
Which is the fastest quenching material used in heat treatment?
Oil
Air
Water
Brine solution
Which heat treatment process increases the wear resistance of steel?
Annealing
Tempering
Hardening
Normalising
What is the process to add cutting ability and wear resistance on steel?
Tempering
Annealing
Normalising
Hardening
What is the heat treatment process to relieve strain and stress, eliminate hardness and improve the machinability in steel?
Tempering
Annealing
Normalising
Hardening
What is the heat treatment process to refine the grain structure of the steel?
Tempering
Annealing
Normalising
Hardening
What is the purpose of annealing?
To relieve the internal stress
To add cutting ability
To refine the grain structure of the steel
To increase wear resistance
What is the process of steel being heated to required temperature and held in the same temperature for a period of time?
Soaking
Heating
Quenching
Hardening
What is the purpose of brine solution, water, oil and air used in heat treatment process?
Soaking
Quenching
Heating
Austenite
Why the tempering process carried out in steel?
To add cutting ability
To relieve strain and stress
To refine the grain structure
To regulate the hardness and toughness
How the mechanical properties of steel like strength, toughness, ductility are affected?
By tempering
By hardening
By annealing
By normalising
What quenching media is used for special alloy steel?
Brine solution
Water
Oil
Air
What is the process if hot steel is cooled slowly the old structure is retained and it will have fine grains that makes it easily machined?
Annealing
Hardening
Tempering
Normalising
Which tool materials are manufactured by powder metallurgy technic?
Carbides
High speed steel
High carbon steel
Medium carbon steel
Which property avoid the breakage of cutting edge of tools?
Hardness
Brittleness
Toughness
Malleability
What will happen if too much side relif in parting tool?
Weaken the tool
Get more tool life
Strengthen the tool
Helps easy chip flow
What is the name of steel which contains 0.8% of carbon
Hypo eutectoid steel
Eutectoid steel
Hyper eutectoid steel
Pig iron
The process of sudden cooling of steel is called as
Dipping
Soaking
Quenching
Normalizing
