engineering materials 1. classification of materials

What is critical in the selection of materials for household appliances according to the text?

• The color of the appliances

• The material selection

• The brand of the appliances

• The price of the materials

Which of the following is NOT listed as a consideration for material selection in the materials selection chart?

• Safety

• Color

• Durability

• Cost

According to the materials selection chart, which aspect is considered under 'Functionality'?

• Manufacture cost

• Energy efficiency

• Safety

• Aesthetics

What does the engineer find convenient for quick reference when designing, as mentioned in the text?

• A list of suppliers

• A materials selection chart

• A catalog of appliance models

• A book of engineering theories

Under which category does 'energy efficiency' fall in the materials selection chart?

• Environmental Impact

• Cost

• Special Properties

• Functionality

Which category in the materials selection chart includes 'ease of manufacture'?

• Workability

• Environmental Impact

• Aesthetics

• Availability

Which of the following properties are normally exhibited by metals?

• Good insulators of heat and electricity

• Easily molded into complex shapes

• Good conductors of heat and electricity, high density

• Resist the transmission of heat and/or electrical current

Ceramics are typically used in which of the following applications?

• Transistors and solid state electronics

• Sanitary ware, tiles, and 'high tech' industrial applications

• Insulation of electrical currents

• Molding into complex shapes

Polymers are generally known as:

• Metals

• Ceramics

• Plastics

• Semiconductors

What is a characteristic of natural materials?

• They are a sub-set of materials that only include materials produced from living things.

• They are good conductors of heat and/or electrical current.

• They are inorganic, non-metallic solids processed at high temperature.

• They are materials that resist the transmission of heat and/or electrical current.