AQA DT ALEVEL Unit 4 intro Metals Quiz

Which category of metals includes both ferrous and non-ferrous types?

• Precious metals

• Alloys

• Base metals

• All of the above

What must be true for a combination of elements to be considered an alloy?

• Must contain iron

• Must be magnetic

• Must include at least one metal

• Must not rust

Which property of aluminium is highlighted by its use in aeroplane parts and bicycles?

• High density

• Excellent strength to weight ratio

• High reactivity

• Poor conductivity

What natural feature of aluminium helps prevent corrosion?

• Its high melting point

• Its natural oxide layer

• Its transparency

• Its flexibility

Which of the following is NOT a common application of zinc?

• Galvanizing

• Roofing material

• Electrical insulation

• Batteries

What property of silver makes it the best choice for use in electronics, as well as in jewellery?

• Malleability

• Ductility

• Conductivity

• Luster

What is the process called where an object is made from another metal and then coated with silver?

• Forging

• Plating

• Alloying

• Welding

Gold is considered one of the least reactive metals. Which of the following fields is gold prominently used in due to this property?

• Food preservation

• Jewellery and electronics

• Textile manufacturing

• Paper production

Which manufacturing process is most likely used for creating the product shown in the image?

• 3D Printing

• Vacuum forming

• Injection Molding

• Calendaring

Which manufacturing process is most likely used for creating the product shown in the image?

• Overmoulding

• Vacuum forming

• Extrusion

• Laying up GRP