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Cavity walls-Forming an opening

Authored by Darren Keen

Construction

Vocational training

Cavity walls-Forming an opening
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20 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the main purpose of a cavity wall?

To increase structural strength
To prevent damp penetration and improve insulation
To provide aesthetic appeal
To reduce building costs

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the minimum bearing length required for steel lintels in cavity walls?

100mm
200mm
150mm
250mm

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which material is commonly used for the outer skin of a cavity wall?

Timber
Block
Face brickwork
Steel

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the function of a DPC (Damp Proof Course)?

To support the frame of windows and doors
To act as insulation
To prevent the passage of damp
To improve structural integrity

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which type of lintel is lighter and often includes insulation?

Concrete lintel
Timber lintel
Steel lintel
Stone lintel

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the purpose of weep holes in cavity walls?

To allow air circulation
To drain water from the cavity
To provide structural support
To increase insulation

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is a cavity closer used for?

To hold cavity wall insulation in place
To prevent water, damp, and heat loss
To support the weight of bricks above openings
To reinforce the cavity wall structure

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