CSDB試験正確な問題集、学習ノートと理論 [2026年06月]
100%高得点合格保証CSDB無制限153解答
質問 # 27
The survey report must communicate findings clearly to:
- A. Building owners, occupants, and professionals who may not be surveyors
- B. No one; findings are confidential
- C. Only moisture specialists
- D. Only building professionals
正解：A
質問 # 28
To confirm the presence of a DPC and assess its integrity, the surveyor should:
- A. Only use visual methods
- B. Physically locate it through inspection, breaching if necessary with permission, and test its continuity
- C. Never investigate the DPC
- D. Assume it exists without checking
正解：B
質問 # 29
The main objective of rising damp control is to:
- A. Ignore the issue
- B. Mask the problem
- C. Prevent moisture rising by introducing a DPC barrier and managing any existing moisture/salts
- D. Remove all masonry
正解：C
質問 # 30
When a surveyor identifies that previous damp treatments have been unsuccessful, investigation should focus on:
- A. Only repeating the same treatment
- B. Abandoning investigation
- C. Understanding why treatment failed (inadequate diagnosis, incomplete treatment, new moisture sources), before recommending revised approach
- D. Assuming property is untreatable
正解：C
質問 # 31
A surveyor reports on penetrating damp in a cavity wall property. The report should include:
- A. Only moisture meter readings
- B. Only recommendations without investigation details
- C. Location of damp internally, corresponding external defects photographed, assessment of cavity integrity, insulation condition, and recommended repair prioritization
- D. Only aesthetic observations
正解：C
質問 # 32
When reporting on timber decay potentially related to dampness, the surveyor should:
- A. Only recommend timber replacement
- B. Ignore moisture in timber assessment
- C. Only diagnose damp
- D. Assess both moisture condition and timber decay severity; note if moisture exceeds 18-20% (fungal risk)
正解：D
質問 # 33
According to BS 5250:2021, moisture management in buildings requires consideration of:
- A. Thermal performance only
- B. Aesthetic performance only
- C. Structural design only
- D. Thermal performance and moisture performance
正解：D
質問 # 34
BS 6576:2005 requires chemical DPC injection to penetrate to approximately:
- A. 80-90% of wall thickness
- B. 50-75% of wall thickness
- C. Full thickness with breakthrough
- D. 25% of wall thickness
正解：A
質問 # 35
BS 5250:2021 states that relative humidity should ideally be maintained below:
- A. 85-90%
- B. 50%
- C. 65-70%
- D. 30%
正解：C
質問 # 36
Spot ventilation (such as kitchen/bathroom extraction) should operate:
- A. During and for a period after moisture-generating activities (cooking, bathing) with exhaust to the outside
- B. Always, even when not needed
- C. Never
- D. Only in winter
正解：A
質問 # 37
To diagnose condensation as opposed to rising or penetrating damp, the surveyor should observe:
- A. Surface condensation without salt deposits, appearing in cold corners and on windows
- B. Tide marks at ground level
- C. Damp only after rainfall
- D. Moisture at all heights
正解：A
質問 # 38
Asbestos awareness is important for surveyors because:
- A. It is not relevant to damp surveying
- B. Asbestos poses no health risk
- C. Asbestos may be present in older buildings and requires specialist handling if disturbed
- D. Only electricians need to know about asbestos
正解：C
質問 # 39
The surveyor should investigate the external envelope when diagnosing penetrating damp to:
- A. Identify and record defects causing the damp ingress
- B. Record aesthetic features only
- C. Always recommend cavity wall insulation
- D. Ignore it
正解：A
質問 # 40
Under Building Regulations, which Approved Document specifically addresses basement waterproofing requirements?
- A. Approved Document F
- B. Approved Document B
- C. Approved Document L
- D. Approved Document C
正解：D
質問 # 41
Condensation typically appears as:
- A. Brown staining on brickwork
- B. Damp patches linked to external defects
- C. Black mould on walls, ceilings, windows, and cold surfaces
- D. Tide marks with salt deposits
正解：C
質問 # 42
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