MATERIAL SCIENCE FINAL EXAM

Which of the below answer is NOT in thermoplastic group?

• Melamine

• Acrylic ( Perspec)

• Acrylo-nitrille (nylon)

• Polystyrene and ABS

Carbon steels can be classified according to

• Form of oxides

• Proportions of impurities

• Sulfates containment

• Carbon concentrations

What is the symbol of Xenon?

• X

• Xo

• Xe

• Xen

What is the weaker bonding?

• Ionic Bonding

• Metallic Bonding

• Covalent Bonding

• Hydrogen Bonding

What is the bond when electrons are shared?

• Ionic Bonding

• Metallic Bonding

• Covalent Bonding

• Hydrogen Bonding

What is the product of wrought iron that used for decorative pieces?

• Lathe tool

• Mill cutter

• Crane hook

• Architectural product

What is the item that used to produce pig iron and cast iron?

• Coke

• Limestone

• Blast Furnace

• Bessemer Converter

What is atomic number (Z)

What is hot work steel?

• A tool steel used to make tools that form metal at low temperature

• A tool steel used to make tools that form metal at high temperature

• A group of tool steels primarily used in dies that form metal at elevated temperature

• A group of tool steels primarily used in dies that form metal at non elevated temperature

The ferrous metals are classified under the following group EXCEPT :

• Steel

• Cast iron

• Wrought iron

• Wrought alloy