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Cavity wall-Materials and construction

Authored by Darren Keen

Construction

Vocational training

Cavity wall-Materials and construction
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20 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the primary purpose of the cavity in a cavity wall?

To provide structural support
To improve insulation and prevent damp
To create additional living space
To reduce the weight of the wall

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which type of brick is ideal for use below ground level?

Facing bricks
Common bricks
Engineering bricks
Sand lime bricks

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What does "DPC" stand for in construction?

Damp-proof course
Drainage prevention course
Durable panel construction
Design performance coefficient

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

How does a cavity wall contribute to thermal insulation?

By reflecting sunlight
By trapping air in the cavity
By absorbing heat
By sealing all gaps

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which material is commonly used as insulation in cavity walls?

Sand
Fibreglass
Concrete
Timber

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the recommended minimum height for a DPC above ground level?

50 mm
100 mm
150 mm
200 mm

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which type of block is commonly used for the internal skin of a cavity wall?

Dense concrete blocks
Facing bricks
Sand lime bricks
Lightweight insulation blocks

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