Repair and maintain masonry structures

The main purpose of a joint finish is to:

• Improve the appearance of the wall

• Make the wall stronger

• Give a weather proof finish

• Use up any excess mortar

When building a wall below ground what type of bricks are most suitable?

• Engineering bricks

• Facing bricks

• Perforated bricks

• Wire cut bricks

The correct formula for calculating the area of a circle is:

• A = r + r2

• C =πd

• A = πr

• A = πr2

In dead shoring, what is the name of the component that goes through the wall to support the structure above?

• Prop

• Scaffold board

• Needle

• Wall plate

A tingle plate is used:

• To support a line along a long wall when laying bricks

• To support a prop underneath the ceiling

• To help level out a laser level

• On the side of a drill to prevent electric shocks

Wall ties should be made from:

• Iron

• Aluminium

• Stainless steel

• Copper

When positioning adjustable props to support a wall, how far apart should the props be from one another?

• 1m

• 1.2m

• 1.5m

• 0.9m

Water rising up through microscopic pores in building materials is known as:

• Efflorescence

• Cold bridging

• Water staining

• Capillary action

What are the benefits of adding lime to a mortar mix?

• To improve resistance to frost attack

• To improve permeability

• To improve workability

• To improve durability

At what temperature should you stop laying blocks?

• Freezing point

• 3 degrees and dropping

• There are no low temperature settings

• -3ºC