[Q65-Q84] 100% Passing Guarantee – Brilliant CSDB Exam Questions PDF [Feb-2026]

QUESTION 65
Under Building Regulations, which Approved Document specifically addresses basement waterproofing requirements?

QUESTION 66
A property survey identifies potential asbestos-containing materials in old insulation boards. The surveyor should:

QUESTION 67
The surveyor should investigate the external envelope when diagnosing penetrating damp to:

QUESTION 68
Relative humidity plays a critical role in condensation formation. Condensation risk is highest when relative humidity exceeds:

QUESTION 69
BS 5250:2021 section on kitchen ventilation requires:

QUESTION 70
When preparing a dampness survey plan, the surveyor should:

QUESTION 71
Spot ventilation (such as kitchen/bathroom extraction) should operate:

QUESTION 72
After diagnosing rising damp and recommending chemical DPC, the surveyor must advise the client that:

QUESTION 73
During a survey of a cavity wall building, the surveyor observes damp patches internally that are largest after periods of heavy rain and are concentrated around a section of failed external pointing. A moisture meter reading shows 22% at the damp area. The cavity appears to contain insulation material. What is the recommended priority action?

QUESTION 74
A surveyor diagnoses condensation in a kitchen with persistent black mould despite recent cleaning. The underlying cause is likely:

QUESTION 75
A property has been treated with chemical DPC 6 months ago. The owner reports internal walls are still damp with visible mould. The surveyor investigates and finds: high salt content still present in plaster, inadequate heating in the property, and poor ventilation. The most appropriate recommendation is:

QUESTION 76
Chemical damp proof courses are installed by:

QUESTION 77
Modern buildings typically incorporate a DPM (Damp Proof Membrane) at:

QUESTION 78
A comprehensive dampness survey report should include:

QUESTION 79
Black mould associated with condensation can be temporarily removed by:

QUESTION 80
Occupants can reduce condensation by:

QUESTION 81
Physical damp proof courses (such as slate or engineering bricks) are typically installed:

QUESTION 82
In the context of damp surveying, a risk assessment should identify:

QUESTION 83
A semi-detached bungalow presents with condensation on windows, black mould in corners, and elevated moisture readings (65% RH recorded). The occupants report cooking smells lingering and no ventilation in kitchen. There are no salt deposits, no tide marks, and moisture appears only in winter. What diagnostic approach is most appropriate?

QUESTION 84
After chemical DPC installation, the surveyor should ensure continuity with: