D&T quiz 3

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

What two conditions make iron rust

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

What metal is commonly used in Galvanising

• Aluminium
• Zinc
• Tin
• Cobalt

A mixture of different metals is known as

• Metal mix
• cement
• Alloy
• atom

The method of coating metals by immersing the metals in a liquid and then passing an electric current through the liquid is called ________

• Electrolysis

• Electroplating

• Electrolighting

• Electroheat

What kind of view is this?

• orthographic projection

• isometric view

• cabinet view

• table view