WorksheetsChapter 11 - Walls
Total questions: 15
Worksheet time: 5mins
What is the most common type of external wall construction used in domestic housing today?
Curtain wall
Cavity wall
Solid wall
Timber stud wall
What is the primary function of wall ties in cavity wall construction?
To prevent mortar droppings
To tie the outer and inner leaves together
To support the roof
To hold insulation in place
Which material is commonly used for wall ties in modern construction?
Plastic
Stainless steel
Copper
Aluminium
What is the recommended horizontal spacing for wall ties in a cavity wall?
750mm
600mm
300mm
450mm
Which of the following is NOT a function of an external wall?
Sound insulation
Weather exclusion
Water supply
Load distribution
What is the purpose of a DPC in wall construction?
To support the wall structure
To prevent moisture penetration
To provide thermal insulation
To hold bricks together
In cavity wall construction, which leaf typically supports the roof and floor loads?
Cavity insulation
Inner leaf
Outer leaf
Both leaves equally
Which bond is most commonly used in cavity wall construction?
Header bond
Stretcher bond
Flemish bond
English bond
What is the standard thickness of a mortar joint in brickwork?
20mm
10mm
5mm
15mm
What is the main reason mortar droppings should not accumulate on wall ties?
They cause rust
They form a bridge for moisture
They reduce insulation
They weaken the wall
Which of the following is a load-bearing wall type?
Stud wall
External cavity wall
Curtain wall
Partition wall
What is the typical vertical spacing for wall ties in cavity wall construction?
600mm
300mm
750mm
450mm
Which component is placed above a window to support the wall above?
Wall tie
Lintel
DPC
Sill
What type of pointing is most popular in Northern Ireland for facing brickwork?
Curved recessed (pole jointed)
Flush
Bucket handle
Weathered
What is the purpose of insulation in a cavity wall?
To prevent heat loss
To support the outer leaf
To hold the wall ties
To prevent sound transmission
