GCSE Engineering - Metals and Metal Surface Finishing

What type of metals contain iron?

• Ferrous
• Non-Ferrous

Name a Non ferrous metal?

• Stainless Steel
• Aluminum
• Tool steel
• Cast Iron

What is the corrosion of ferrous metals called?

• Rusting
• Annealing
• Weathering
• Colouring

What is the longest lasting corrosion protection?

• Zinc Plating
• electroplatiing
• Yellow passivated
• Galvanising

What treatment can be used to preserve the surface of an alloy to stop it corroding and discolouring?

• Paint
• Varnish
• anodising
• annealing

Give 2 properties of metals that is not true

• Insulators and Conductors of heat
• Conductors of heat and malleable
• Conductors of Electricity and Flexible
• Conductors of heat and electricity

What two conditions make iron rust

• Water only
• air only
• water and air
• Hydrochloric acid

suggest two ways to protect against rusting

• Use a dehumidifier and Galvanise 
• Use a dehumidifier and spray with water
• Place the metal in a vacuum 
• Add lots of oil to the edge and paint over

What metal is commonly used in Galvanising

• Aluminium
• Zinc
• Tin
• Cobalt

A mixture of different metals is known as

• Metal mix
• cement
• Alloy
• atom