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PCA Certificated Surveyor of Dampness in Buildings Sample Questions:

1. Penetrating damp is typically worse:

A) In buildings with cavity walls
B) During and after periods of heavy rainfall, especially with wind-driven rain from exposed directions
C) During dry weather
D) In summer only

2. The typical vertical spacing of chemical DPC injection holes is:

A) 200mm
B) 75mm
C) 50mm
D) 100-125mm

3. Physical damp proof courses (such as slate or engineering bricks) are typically installed:

A) Never installed
B) After rising damp appears
C) Only on roofs
D) During new construction or major renovation by removing defective courses and inserting new impermeable material

4. BS 5250:2021 addresses condensation control through:

A) Preventing occupancy
B) Using dehumidifiers only
C) Adequate ventilation, thermal insulation, and moisture management to control relative humidity
D) Eliminating all moisture

5. Rising damp moisture typically originates from:

A) Condensation from ventilation
B) Ground moisture drawn upward by capillary action
C) The roof
D) Rainwater entering walls

Solutions: