CSDB by PCA Actual Free Exam Questions And Answers [UPDATED 2026]
CSDB Questions Truly Valid For Your PCA Exam!
NEW QUESTION # 84
Rising damp is moisture that:
- A. Enters through windows
- B. Falls from the roof
- C. Travels upward from the ground through capillary action in masonry
- D. Is caused by condensation only
Answer: C
NEW QUESTION # 85
Penetrating damp is typically worse:
- A. In buildings with cavity walls
- B. In summer only
- C. During dry weather
- D. During and after periods of heavy rainfall, especially with wind-driven rain from exposed directions
Answer: D
NEW QUESTION # 86
The pattern of penetrating damp on internal surfaces typically shows:
- A. Damp only in winter
- B. Consistent tide marks
- C. Damp patches that correspond to external defects and increase in size after heavy rainfall
- D. Even coverage across walls
Answer: C
NEW QUESTION # 87
Cavity wall insulation problems related to penetrating damp can be minimized by ensuring:
- A. Cavity ties are clear, insulation is correctly installed without bridging the cavity, and external envelope is sound
- B. Cavity insulation fills the entire cavity
- C. Insulation is in direct contact with external leaves
- D. No inspection is done
Answer: A
NEW QUESTION # 88
When assessing rising damp, the surveyor must evaluate:
- A. Age of building only
- B. Construction material only
- C. Height of damp, source verification, and rate of progression
- D. Presence or absence of DPC only
Answer: C
NEW QUESTION # 89
According to Building Regulations Approved Document C, what is the primary requirement for buildings below ground level?
- A. Thermal insulation only
- B. Protection against moisture from the ground and from the atmosphere
- C. Aesthetic protection only
- D. Sound insulation
Answer: B
NEW QUESTION # 90
A commercial property has severe rising damp but alternative treatments (electro-osmotic, capillary breaks) cannot be installed due to structural constraints. The surveyor's recommendation should include:
- A. Accepting permanent damp
- B. Only internal cosmetic treatments
- C. Conventional chemical DPC installation as appropriate method, with realistic expectations regarding moisture reduction timescale
- D. Demolition of the building
Answer: C
NEW QUESTION # 91
Common sources of penetrating damp include:
- A. New buildings only
- B. Interior condensation only
- C. Rising damp only
- D. Defective guttering, broken downpipes, failed mortar joints, and cracked masonry
Answer: D
NEW QUESTION # 92
Under COSHH regulations, before using hazardous substances on site, the employer must:
- A. Assume no risk
- B. Only provide PPE
- C. Simply provide the product
- D. Assess the risk and implement control measures
Answer: D
NEW QUESTION # 93
The relationship between temperature and condensation risk is:
- A. Cold surfaces (below dew point) increase condensation risk regardless of humidity
- B. Temperature does not affect condensation
- C. Irrelevant
- D. Only high temperatures cause condensation
Answer: A
NEW QUESTION # 94
Personal Protective Equipment (PPE) should be provided:
- A. As the primary control method
- B. As the last resort when all other control measures are inadequate
- C. Never
- D. Only if employees request it
Answer: B
NEW QUESTION # 95
When moisture meter readings are inconsistent across multiple measurements in the same wall section, the surveyor should:
- A. Average the readings uncritically
- B. Report only one reading
- C. Report only the highest reading
- D. Investigate causes of variation (salts, temperature, material differences), document findings, and note limitations in interpretation
Answer: D
NEW QUESTION # 96
A property has rising damp. The surveyor identifies that previous treatment involved only internal moisture- blocking paint without chemical DPC installation. The reason this was ineffective is:
- A. Paint prevented evaporation, potentially increasing internal damp
- B. Paint was correct approach
- C. Paint does not address the moisture source (ground moisture); treating the source with DPC is required
- D. Rising damp cannot be treated
Answer: C
NEW QUESTION # 97
External liquid-applied membranes to prevent penetrating damp should:
- A. Be applied without preparation
- B. Never be used
- C. Be painted on all masonry
- D. Be specified only for areas of defect, with proper preparation and following manufacturer guidance for substrate conditions
Answer: D
NEW QUESTION # 98
The Health and Safety at Work etc. Act 1974 places responsibility for workplace safety primarily on:
- A. The employer
- B. The Health and Safety Executive only
- C. Building owners
- D. Individual employees only
Answer: A
NEW QUESTION # 99
When treating penetrating damp in cavity walls, the surveyor should consider:
- A. Removing the cavity
- B. Only external repairs
- C. Cavity integrity, insulation condition, external envelope condition, and cavity drainage provisions
- D. Only internal treatments
Answer: C
NEW QUESTION # 100
When reporting condensation, the surveyor should advise on:
- A. Ventilation improvements, heating adequacy, moisture generation control, and thermal insulation
- B. Only dehumidifiers
- C. Only moisture removal
- D. Only mould cleaning
Answer: A
NEW QUESTION # 101
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