Mechanical Engineering

Gold: It is the most .... metal and is used to create

precious jewellery. It is the most ductile metal.

• cheap

• rare

• expensive

• extraordinary

Composite materials such as carbon-fibre used in ...

• aerospace and building

• Formula 1 cars and PVC

• aerospace and Formula 1 cars.

• compound and mixture

Ferrous materials is ...

• an alloy formed by mixing iron and carbon

• metals containing iron

• a metal not suitable as structural materi al

• a combination of different metals

Engineering materials can be divided into ...

• ferrous and non-ferrous

• iron and steel

• metal and non-metal

• cooper and concrete

Examples of elements widely used in engineering materials are ...

• chromium (Cr), manganese (Mn) and tungsten (W).

• hydrogen (H) and oxygen (0).

• metal and non-metal

• iron, carbon and aluminium (AI).

Aluminium (AI) is a common ...

• metallic

• metal

• ferrous

• non-metal

drawing / room temperature / is done at

• drawing room temperature is done at

• room drawing is done at temperature

• drawing is room temperature done at

• drawing is done at room temperature

Ceramic can also be formed into shapes via ...

• casting

• forging

• rolling

• extrusion

PVC is ...

• a composite material used to build houses

• a metal not suitable as structural materi al

• a good insulator but brittle

• a type of plastic used for insulation

Alloy is ....

• an alloy formed by mixing copper and zinc

• an alloy formed by mixing iron and carbon

• a combination of different metals

• metals containing iron