Quiz 2 Kahoot

Which of the following is classified as a ferrous metals:

A. Aluminum

B. Nickel

C. Steel

D. Superalloys

C. Steel

An unalloyed steel with 1.0% carbon is known as which of the following:

A. Eutectoid

B. Wrought iron

C. Hypoeutectoid

D. Hypereutectoid

D. Hypereutectoid

The principal ore used in the production of iron and steel is which one of the following:

A. Hematite

B. Limestone

C. Bauxite

D. Magnetite

A. Hematite

Which one of the following is the predominant phase in the iron - carbon alloy system at room temperature:

A. Austenite

B. Delta

C. Cementite

D. Ferrite

D. Ferrite

The reduction of iron ore to iron is accomplished in which one of the following furnaces:

A. Basic oxygen furnace

B. Electric furnace

C. Blast furnace

D. Open hearth furnace

C. Blast furnace

Continuous casting is favored over ingot casting because it dramatically increases which of the following:

A. cost per heat

B. productivity

C. employment

D. union membership

B. productivity

Plain carbon steels are designated in the AISI/SAE code system by which of the following:

A. 01XX

B. 11XX

C. 10XX

D. 12XX

C. 10XX

Which of the following is accounts for the largest tonnage among the cast irons:

A. Ductile cast iron

B. White cast iron

C. Malleable iron

D. Gray cast iron

D. Gray cast iron

Which one of the following metals has the lowest density:

A. Manganese

B. Magnesium

C. Aluminum

D. Titanium

B. Magnesium

The Bayer Process is closely associated with the production of which one of the following metals:

A. Manganese

B. Magnesium

C. Aluminum

D. Titanium

C. Aluminum

Which of the following metals has the highest electrical conductivity:

A. Silver

B. Platinum

C. Copper

D. Gold

A. Silver

Copper is extracted from which of the following ores:

A. ilmenite

B. limonite

C. pentlandite

D. chalcopyrite

D. chalcopyrite

Ceramics are strongest under which type of stress loading:

A. Compressive

B. Tensile

A. Compressive

Which one of the three polymer types in not plastic:

A. Thermoplastics

B. Elastomers

C. Thermosets

B. Elastomers

Degree of polymerization means which one of the following:

A. Proportions of the monomer that has been polymerized

B. Average number of mers in the molecular change

C. Sum of the molecular weights of the mers in the molecule

D. Titanium

B. Average number of mers in the molecular change

Which one of the three polymer types involves the greatest amount of cross-linking:

A. Thermoplastics

B. Elastomers

C. Thermosets

C. Thermosets

Which one of the following is the starting monomer for polyethylene:

A. C2H2

B. C4H4

C. C2H4

D. C2H6

C. C2H4

Which one of the following is not one of the systems by which cross linking is accomplished in thermosetting polymers:

A. catalyst - activated systems

B. temperature - activated systems

C. mixing - activated systems

D. time - activated systems

D. time - activated systems

The maximum strength and stiffness of a fiber-reinforced composite part is obtained:

A. at a 45 angle to the direction of the fiber

B. perpendicular to the direction of the fiber

C. in the direction of the fiber

C. in the direction of the fiber