BM2 Metallurgy Review

What is an example of a non-ferrous metal?

• Iron

• Steel

• Copper

• Carbon

Which element is commonly found in both irons and steels?

• Gold

• Phosphorus

• Helium

• Neon

What is the primary process involved in the production of basic steel?

• Shaping and forming billets

• Production of pig iron

• Kiln drying

• Electroplating

What is typically described in a stress/strain diagram for materials like steel?

• The color changes under pressure

• The key points where deformation occurs

• The temperature at which steel melts

• The electrical resistance during stress

What is the primary purpose of hardness testing on materials?

• To measure the weight of the material

• To determine changes in material properties before and after certain processes

• To change the chemical composition of the material

• To enhance the visual appearance of the material

Which hardness test uses a load of 3,000 kg and measures the diameter of the indentation with a special microscope?

• Rockwell Hardness Test

• Vickers Hardness Test

• Brinell Hardness Test

• Shore Hardness Test

What type of indenter is used in the Rockwell Hardness Test?

• A steel ball of varying sizes

• A diamond cone

• A square-based pyramid

• A cylindrical pin

What is the typical load used in the Rockwell Hardness Test for soft metals?

• 150 kgs

• 3,000 kgs

• 500 kgs

• 1,000 kgs

What does the weldability of plain carbon steel primarily depend on?

• The thickness of the steel

• The amount of carbon in the steel

• The temperature at which it is welded

• The type of welding equipment used

Which type of carbon steel requires controlled welding procedures including preheating and post heating?

• Low carbon steel

• Medium carbon steel

• High carbon steel

• Both medium and high carbon steel