Occ 132 Repair and maintain masonry structures

Loud noises can cause loss of hearing

depending on the level of exposure. This may be accompanied by;

• Tinnitus

• Silicosis

• Asbestosis

• Dermatitis

What is the process for mixing new mortars

to match existing mortars?

• Mix 1:6 batch and add cement dye

• Mix several batches to match consistency and colour

• Mix 6:1:1 batch, add lime and plasticiser

• Mix 1:1:5 batch and contact a brick tinting company

How is the area of a circle

calculated?

• Πr²

• Π x D

• Π x D x R

• Π - D x C

The reasons for wearing safety gloves are because they reduce;

• Pinches

• Circulation and blood pressure

• Scratches and cuts

• Bruising and inflammation

When replacing an external lintel, to

temporary support the upper floor joists, the FIRST action would be to;

• Place nails into prop to stop moving

• Check run of joists

• Plumb props

• Mark lintel ensuring equal bearings

Which other tool is used best with a finger trowel when repointing mortar joints?

• Board

• Chariot

• Trowel

• Hawk

Before cutting an opening in an existing wall

with a disc cutter, what is the most important factor to consider?

• Damage to the surrounding wall

• Size and type of lintel

• Position of services

• Prop and needle position

Which damp proof replacement requires the use of liquid silicone?

• Engineering brick

• Electro osmosis

• Injection

• Physical

When extending a new wall from the middle of an

existing wall, what is the best method to use?

• Indenting

• Corbelling

• Wall starter

• Coring

Which decorative feature is formed when the bricks are laid 45 degrees to the face line?

• Corbels

• Soldiers

• Dog toothing

• Dentil