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WorksheetsBricks and Brickworks Quiz
Total questions: 13
Worksheet time: 7mins
What mortar is traditionally used with unfired clay bricks?
Clay or moderately hydraulic lime mortar.
Epoxy resin mortar.
Portland cement mortar.
Polymer-modified mortar.
What is a common property of concrete bricks?
They are more flexible than clay bricks.
They cannot be used for load-bearing walls.
They are manufactured under high pressure from aggregates and cement.
They are made from fired clay only.
Which types of bricks are classified based on freeze/thaw resistance?
Soft mud bricks.
Calcium silicate bricks.
Concrete blocks.
What common property must masonry mortars have in comparison to bricks?
To prevent water penetration entirely.
To be stronger than the individual bricks.
To have the same density as bricks.
To be weaker than the individual bricks.
What is a major benefit of using recycled bricks in construction?
They are always stronger than new bricks.
They are cheaper and more readily available.
They reduce material waste and environmental impact.
They are uniformly sized for all applications.
What is a primary advantage of using unfired clay bricks for internal walls?
They inhibit condensation and regulate relative humidity.
They are cheaper than concrete bricks.
They have high thermal insulation properties.
They are stronger than fired clay bricks.
What material should wall ties be made from for optimal durability?
Aluminium or lead.
Copper or brass.
Galvanised steel or stainless steel.
Plastic or nylon.
What percentage of the brickwork surface area does mortar account for?
5%.
25%.
10%.
17%.
Which of the following is a disadvantage of using Portland cement mortar with brickwork?
It makes recycling bricks difficult after demolition.
It shrinks excessively during curing.
It has a lower strength than lime mortar.
It is too expensive for construction.
What is a significant environmental concern regarding brick manufacturing? (Select all that apply)
Under-employment in the brick industry.
Excessive water usage.
GHG emissions during the firing process.
Destruction of natural habitats and air and water pollution
What materials are typically used for making calcium silicate bricks?
Silica sand, hydrated lime, and colouring pigments.
Cement and pumice.
Clay and straw.
Concrete and recycled glass.
What is typically recommended for the positioning of movement joints in brickwork?
Only at corners and edges of walls.
Every 2 metres regardless of design.
No movement joints are required for stability.
Allowing for 1 mm movement per 1 metre of brickwork.
What does the term 'efflorescence' refer to in brickwork?
White deposits of crystals on the brick surface due to moisture.
Cracking of bricks under pressure.
Unexpected expansion of bricks in cold weather.
Discoloration of bricks due to sunlight.
