Materials Notes quiz

A chemical engineer is using Sodium Hydroxide (NaOH) to reduce the acid in a large hydrocarbon reaction. Sodium Hydroxide is a/an (a)   .

Mark only one oval.

• Element

• Compound
• Mixture

• Composite

What is a property of a metalloid?

• Combined with multiple metals

• Combined with multiple elements

• Possess properties of metals and nonmetals

• Do not appear in nature

Which of the following is NOT a material classification?

• Ceramic Materials

• Organic Materials

• Hydrocarbonic Materials

• Composite Materials

Which is an example of Vulcanization?

• Turning Leonard Nimoy into Spock

• Making automobile tires tougher

• Adding elasticity to a product

• Adding flexibility to a product

What is a distinguishing characteristic of a composite material?

• Ductile

• Weak Insulator

• Composed of more than 1 material

• Repels Heat more effectively than ceramics

What is thermal capacity?

• Heat storage capacity of a material

• Capacity of a material to transport heat

• How a material expands if the temperature is raised or lowered

• How a material contracts if the temperature is raised or lowered

Which is not a chemical property?

• Malleability

• Oxidation

• Toxicity

• Flammability

What is a property of metallic materials?

• Good Thermal Conductor

• Good Thermal Insulator

• Brittle

• Low Density

Space Shuttle panels are light and can sustain an extreme amount of heat and energy while dissipating it. When you put fire to one side of a panel, the other side stays cool. This is an example of what?

• Alloy

• Refractory Ceramic

• Thermoplastic

• Composite

How are thermoplastic and Thermosetting plastics different?

• Thermoplastic always have a higher density

• All Thermosetting plastics are food safe

• Thermoplastics may be reheated and remolded

• Thermosetting must have pressure to have a desire shape