Metallurgy Quiz

What is the carbon content for high-carbon steel?

• 0.6 < C < 1.4 wt%

• 2.0 < C < 2.5 wt%

• 0.25 < C < 0.6 wt%

• 1.4 < C < 2.0 wt%

List FIVE (5) types of Cast Iron.

• Grey, Nodular/ductile, White, Malleable, Compacted Graphite

• Gray, Ductile, Black, Steel, Copper

• Alloy, Brass, Bronze, Iron, Steel

• Nickel, Zinc, Aluminum, Titanium, Magnesium

For low-carbon steel, the microstructure consists of ______ and ______ structure. The properties of this type of steel are ______ and _____ combine with high ________.

• Ferrite, Austenite, Hard, Brittle, Ductility

• Ferrite, Pearlite, Soft, Ductile, Toughness

• Austenite, Cementite, Strong, Brittle, Hardness

• Martensite, Ferrite, Soft, Ductile, Toughness

List FIVE (5) classification of stainless steel.

• Low-Carbon, Medium-Carbon, High-Carbon, Stainless, Cast Iron

• Gray, White, Nodular, Malleable, Compacted Graphite

• Aluminum, Copper, Magnesium, Titanium, Zinc

• Ferritic, Austenitic, Martensitic, Duplex, Precipitation Hardening

What is the structure for Mg?

• Face-Centered Cubic (FCC)

• Body-Centered Cubic (BCC)

• Simple Cubic

• Hexagonal Closed-Pack (HCP)

Name the alloying elements for brass and bronze.

• Zinc, Tin

• Copper, Aluminum

• Copper, Zinc

• Zinc, Aluminum

List THREE (3) characteristic of non-ferrous alloys.

• Low density, High electrical conductivity, High thermal conductivity

• Fabricated with ease, High density, High electrical conductivity

• Fabricated with difficulty, Low density, Low electrical conductivity

• High density, Low electrical conductivity, Low thermal conductivity

What is the range of carbon for commercial cast iron?

• 1.4 < C < 2.0 wt%

• 3.0-4.5% C

• 0.6 < C < 1.4 wt%

• 2.0 < C < 2.5 wt%

Due to graphite flakes this cast iron are ________and __________.

• Hard, Tough

• Weak, Brittle

• Strong, Ductile

• Soft, Malleable

List EIGHT (8) noble metal in non-ferrous alloy.

• Silver, Gold, Platinum, Palladium, Rhodium, Ruthenium, Iridium, Osmium

• Manganese, Chromium, Vanadium, Tungsten, Cobalt, Silicon, Boron, Carbon

• Copper, Aluminum, Zinc, Titanium, Magnesium, Nickel, Lead, Tin

• Iron, Steel, Brass, Bronze, Cast Iron, Stainless Steel, Aluminum, Copper