Lesson 1 - Introduction to Nonmetals
Properties and behavior of solids, liquids, and gases; Boyle's Law; Laminar and turbulent flow; Mixed-phase systems
Learning Objectives:– State the definition of a solid, a liquid, and a gas.
– Demonstrate how to change a liquid to a solid.
– Demonstrate buoyancy.
– Identify an object less dense than water, and an object more dense than water.
– List six possible combinations of matter.
Lesson 2 - Plastics
Characteristics; Processing; Molding; Casting; Extruding; Reinforcing; Machining; Welding; Patching
Learning Objectives:– State the definition of a thermoplastic and a thermoset.
– Describe injection molding, foam molding, and extrusion.
– Select the best bonding agent for joining polyethylene parts.
– Describe the steps in patching a damaged area with glass-plastic material.
Lesson 3 - Rubber
Properties; Processing; Kinds and uses; Vulcanizing; Foam rubber; Hose and tubing; Tank linings; Reclaiming rubber
Learning Objectives:– Name four properties of rubber.
– Explain the vulcanizing process.
– Select the best hose for handling oils or gasoline.
– Describe how to use a pinhole locator.
– List the kinds of sheet rubber that should be kept on hand in the storeroom of an industrial maintenance department.
Lesson 4 - Wood
Properties; Grades and defects; Measuring lumber; Plywood; Choosing wood; Joints; Preservation; Industrial uses; Fasteners
Learning Objectives:– State the definition of hardwood and softwood.
– Name the grades of softwoods and hardwoods.
– Describe a radial cut, a crosscut, and a tangential cut.
– Demonstrate how to calculate the number of board feet in a piece of 2 x 8 lumber 10 ft long.
Lesson 5 - Construction Materials
Concrete; Masonry units; Brick; Mortar; Patching and repairing; Wallboard; Plaster; Glass
Learning Objectives:– List the ingredients in concrete.
– State the definition of spalling, crazing, and dusting.
– Explain how to remove an oil stain from concrete.
– Demonstrate how to mix a small batch of mortar.
– List the steps in repairing a hole in wallboard.
Lesson 6 - Insulating Materials
Heat flow; Thermal, loose-fill, blanket, low-density, and acoustic insulation; Vapor barriers; Electrical insulation; Fire prevention
Learning Objectives:– Name the ways by which heat can be transferred.
– State the formula for determining the thermal conductivity coefficient (k value) of a thermal insulator.
– Demonstrate how to install blanket insulation.
– Select the best materials for use an electrical insulation where resistance to flame and high temperature is important.
– List the safety rules that should be followed when working with insulating materials.
Lesson 7 - Paints and Coatings
Protective materials; Substrates; Paint; Primer; Choosing a coating; Surface preparation; Application; Using colors; Special coatings
Learning Objectives:– List the factors to consider in selecting a protective coating.
– Name the qualities and characteristics of pigments and vehicles.
– List the safety precautions to follow when using paints containing solvent thinners.
– State the definition of primer.
– Demonstrate how to prepare a metal substrate for coating.
Lesson 8 - Industrial Chemicals
Safety; Soaps and detergents; Solvents; Acids; Aerosols; Oils; Refrigerants; Water-treatment chemicals; Fuels; Fire-fighting chemicals
Learning Objectives:– List the safety precautions to follow when working with liquid and solid chemicals.
– Name the general classifications of cleaning agents.
– Select the best acid for cleaning stainless steel and aluminum.
– State the reasons why aerosol spray cans are potentially dangerous.
– List considerations in selecting an oil for a particular use.
Lesson 9 - Adhesives
Kinds of adhesives; Glues; Plastic welding; Acrylic-based adhesives; Other adhesives; Strength of adhesives; Tapes
Learning Objectives:– State the definitions of adhesiveness, curing, drying, joint, pot, life, and tack.
– List the characteristics of thermosetting and themoplastic adhesives.
– Demonstrate the plastic-welding process.
– Select the best tapes for insulating and protecting electrical connections and wires.
Lesson 10 - Carbon
Forms and properties; Electrodes and resistors; Carbon brushes; Industrial diamonds; Carbon seals; Graphite packing; Chemical resistivity
Learning Objectives:– List four uses of carbon and fabricated carbon products in industry.
– List three properties of carbon that make it useful in electrical and mechanical applications.
– Describe the carbon-arc welding process.
– List the most common causes of brush noise.
– Demonstrate the correct method of cutting individual rings from a continuous length of braided packing.