OCCUPATION 47, Prepare surfaces

If a surface has been contaminated with grease or silicone, what defect would occur to applied paint?

• Blooming

• Cissing

• saponification

• crazing

What is a contaminant?

• A rough surface

• A substance that pollutes the surface

• A type of adhesive

• A special primer for steel

When relating to timber, what does porosity mean?

• How well the timber holds together

• How attractive the timber looks

• How resistant to wear and tear the timber is

• How much aair and water can pass through the timber

Which of the following are hardwoods ?

• Plywood

• Blockboard

• Oak

• Pine

• Mahogany

Which of the following are sheet materials

• Plywood

• hardboard

• Oak

• Mahogany

What regulations apply when working with wood preservatives ?

• MHOR

• COSHH

• RIDDOR

• WAH

Which of the following statements is true?

• Non-ferrous metals do not contain any iron

• Non-ferrous metals contain iron

• Non -ferrous metals do not need protected

• Non-ferrous metals are stronger than ferrous metals

Which of the following is true

• Cast iron and aluminium are both ferrous

• Cast iron and aluminium are both Non-ferrous

• Aluminium and lead are both Non-ferrous metals

• Aluminium and lead are both Ferrous metals

What is Millscale?

• A chalky rock

• A way of stopping metal corroding

• A flaky surface formed during the production of ferrous metals

• When two different metals are in contact with each other

Another common name for corrosion of metal is:

• Millscale

• Pitting

• Metal expansion

• Rust