NCFE Engineering Materials Revision

Categorise the following polymers:

Groups:

(a) Thermoplastic

,

(b) Thermosetting Plastic

,

(c) Elastomer

• Plastic that softens when heated

• Polyethylene

• Polypropylene

• Acrylic

• Neoprene

• Rubber

• Elastic, rubbery polymer

• Plastic that can't be remelted

• Polyvinyl Chloride

• Urea Formaldehyde

• Epoxy Resin

• Polyester Resin

• Silicone

• High Impact Polystyrene

Categorise these types of wood:

Groups:

(a) Hardwood

,

(b) Softwood

,

(c) Manufactured Board

• Sycamore

• Spruce

• Dense wood from broad-leaved trees

• Ash

• MDF

• Pine

• Oak

• Beech

• Engineered wood panels

• Cedar

• Plywood

• Lighter wood from coniferous trees

• Chipbaord

• Balsa

Categorise these types of metal:

Groups:

(a) Pure Ferrous

,

(b) Ferrous Alloys

,

(c) Non Ferrous Metals

,

(d) Non Ferrous Alloys

• Lead

• Bronze

• Stainless Steel

• Iron mixed with other elements

• Iron

• Copper

• Brass

• Cast Iron

• Aluminium

• Solder

• Metals without iron, not magnetic

• Non-iron metals mixed together

• Metals containing iron, magnetic

• Mild Steel

• Silver Solder

Match the following woods to their definition:

• Strong, durable hardwood for furniture

• Cedar

• Very soft, lightweight hardwood

• Ash

• Tough, flexible hardwood for tool handle

• Balsa

• Aromatic, insect-repelling softwood

• Pine

• Affordable, easy-to-work softwood

• Oak

Match the following metals to their definition:

• Copper alloy with tin, hard

• Aluminium

• Corrosion-resistant alloy often used in kitchen appliances

• Solder

• Yellowish metal often used in musical instruments

• Bronze

• Low-melting alloy for joining metals

• Brass

• Lightweight metal commonly used in aircraft construction

• Stainless Steel

Match the following polymers to their definitions:

• Commonly used in packaging and labeling

• Neoprene

• Thermosetting plastic used in adhesives and finishes

• Polypropylene

• Elastic substance obtained from the latex of certain plants

• Urea Formaldehyde

• Commonly used in clothing and home furnishings

• Rubber

• Synthetic rubber used in various applications

• Polyester Resin

Match the following ceramics to their uses in Engineering:

• Windows

• Glass

• Art and vessels

• Cement

• Construction

• Pottery

• Cutting tools

• Diamond

• Building material

• Brick

Match the following composite materials to their definition:

• A composite material made of carbon fibers embedded in plastic

• Carbon Fibre Reinforced Plastic

• A composite material made of natural fibers embedded in a matrix

• Natural Fibre Composite

• A composite material made of glass fibers embedded in concrete

• Glass Fibre Reinforced Concrete

• A composite material made of glass fibers embedded in plastic

• Glass Reinforced Plastic