A Level Metal Finishes

Which of the following is a method used to finish metals to enhance their appearance or prevent corrosion?

• Cellulose paint

• Sanding

• Welding

• Drilling

Which metal finishing process involves immersing the metal in a bath of molten zinc?

• Galvanising

• Anodising

• Powder coating

• Dip coating

Which of the following is a protective finish that involves applying a thin layer of metal onto the surface?

• Electro-plating

• Powder coating

• Sealants

• Preservatives

Which finishing technique involves applying a dry powder that is then cured under heat?

• Powder coating

• Electro-plating

• Anodising

• Galvanising

Which group of metals is known to rust, with one exception?

• Non-ferrous metals

• Ferrous metals

• Precious metals

• Alkali metals

What is the exception to the group of metals that rust?

• Copper

• Stainless steel

• Aluminum

• Gold

What color does the surface of a metal become when it rusts?

• Blue-green

• Red-brown

• Yellow-orange

• Black-gray

How do finishes help protect metals?

• By making them waterproof

• By providing a barrier against corrosion

• By making them fireproof

• By insulating them from electricity

What is one of the main purposes of cellulose and acrylic paints?

• To provide insulation

• To provide color and texture while preventing corrosion

• To conduct electricity

• To increase weight

Which of the following is NOT a commonly used metal for electroplating?

• Silver

• Gold

• Iron

• Zinc