CSDB Free Certification Exam Material from PassLeader with 153 Questions
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NEW QUESTION # 80
Black mould identification in buildings should note that:
- A. Appearance varies; confirmation requires testing; health risks exist particularly for vulnerable occupants
- B. All mould is identical
- C. Mould is purely cosmetic
- D. Mould has no health implications
Answer: A
NEW QUESTION # 81
A listed building (Grade II*) shows clear rising damp with tide marks to 800mm. Owner seeks rapid chemical DPC treatment. The surveyor should:
- A. Decline to diagnose listed building damp
- B. Proceed with standard chemical DPC injection immediately
- C. Recommend lime-based DPC approaches, reversible treatments, and specialist conservation advice considering building age
- D. Recommend modern cementitious replastering
Answer: C
NEW QUESTION # 82
Personal Protective Equipment (PPE) should be provided:
- A. As the primary control method
- B. Only if employees request it
- C. As the last resort when all other control measures are inadequate
- D. Never
Answer: C
NEW QUESTION # 83
When a cavity wall has penetrating damp due to failed external pointing, the primary remedial action should be:
- A. Remove the insulation
- B. Apply damp proof paint internally
- C. Repoint external joints to weather-tight standards
- D. Increase internal ventilation only
Answer: C
NEW QUESTION # 84
Building Regulations Approved Document C requires protection against moisture from:
- A. Only the roof
- B. Only windows
- C. Only the ground
- D. The ground and from the atmosphere (weather)
Answer: D
NEW QUESTION # 85
Rising damp is moisture that:
- A. Is caused by condensation only
- B. Falls from the roof
- C. Travels upward from the ground through capillary action in masonry
- D. Enters through windows
Answer: C
NEW QUESTION # 86
When a surveyor recommends cavity wall tie replacement due to corrosion from penetrating damp, this is important because:
- A. All ties fail equally
- B. Corroded ties can lose structural integrity, affecting wall stability and cavity function
- C. Ties are irrelevant to damp
- D. Ties are non-structural
Answer: B
NEW QUESTION # 87
According to BS 5250:2021, moisture management in buildings requires consideration of:
- A. Thermal performance and moisture performance
- B. Aesthetic performance only
- C. Thermal performance only
- D. Structural design only
Answer: A
NEW QUESTION # 88
Condensation typically appears as:
- A. Tide marks with salt deposits
- B. Black mould on walls, ceilings, windows, and cold surfaces
- C. Brown staining on brickwork
- D. Damp patches linked to external defects
Answer: B
NEW QUESTION # 89
A surveyor observes damp on a ground floor at 450mm height with clear white salt tide mark extending to
700mm. No external defects are visible. Calcium carbide test shows 24% moisture. The diagnosis is:
- A. Penetrating damp only
- B. Leaking internal pipes
- C. Condensation
- D. Rising damp confirmed by height, pattern, and moisture content
Answer: D
NEW QUESTION # 90
In a crawl space with poor ventilation, the surveyor notes elevated moisture levels (above 80% RH) and visible mould growth. BS 5250:2021 recommends:
- A. Installing heating only
- B. Sealing all openings
- C. Adequate ventilation to manage relative humidity and prevent condensation
- D. Accepting mould growth
Answer: C
NEW QUESTION # 91
A comprehensive dampness survey report should include:
- A. Building identification, history, construction details, diagnostic findings with locations marked on plans, and recommended actions
- B. Only recommendations
- C. Only photographs
- D. Moisture meter readings only
Answer: A
NEW QUESTION # 92
When a surveyor is engaged to investigate damp in a property, the scope of the investigation should be documented to:
- A. Mislead the client
- B. Clarify what was inspected, what was not inspected, and the basis of conclusions
- C. Avoid professional responsibility
- D. Hide limitations
Answer: B
NEW QUESTION # 93
During a basement waterproofing survey, the surveyor identifies the building is partially below water table with evidence of seepage through walls. To comply with BS 8102:2022, what is the appropriate next step?
- A. Accept water ingress
- B. Install only internal gutter system
- C. Specify protection Type A (external drained cavity), Type B (integral concrete), or Type C (internal managed water ingress) depending on circumstances
- D. Recommend only internal decoration
Answer: C
NEW QUESTION # 94
The Property Care Association Standards for damp diagnosis typically require a minimum inspection of:
- A. Ground floor only
- B. External surfaces only
- C. Basement only
- D. All affected areas, including above-ground levels
Answer: D
NEW QUESTION # 95
The calcium carbide (speedy) test is valuable for rising damp diagnosis because:
- A. It identifies the type of damp
- B. It measures electrical resistance
- C. It measures temperature only
- D. It provides an accurate gravimetric moisture measurement unaffected by salts
Answer: D
NEW QUESTION # 96
Before commencing dampness treatment works, the surveyor/contractor should:
- A. Start work immediately
- B. Assume no risk exists
- C. Establish a method statement and risk assessment for the proposed works
- D. Ensure the building is unoccupied without notification
Answer: C
NEW QUESTION # 97
BS 5250:2021 addresses condensation control through:
- A. Preventing occupancy
- B. Using dehumidifiers only
- C. Eliminating all moisture
- D. Adequate ventilation, thermal insulation, and moisture management to control relative humidity
Answer: D
NEW QUESTION # 98
The surveyor should investigate the external envelope when diagnosing penetrating damp to:
- A. Ignore it
- B. Record aesthetic features only
- C. Identify and record defects causing the damp ingress
- D. Always recommend cavity wall insulation
Answer: C
NEW QUESTION # 99
The pattern of penetrating damp on internal surfaces typically shows:
- A. Consistent tide marks
- B. Even coverage across walls
- C. Damp patches that correspond to external defects and increase in size after heavy rainfall
- D. Damp only in winter
Answer: C
NEW QUESTION # 100
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. Demolition of the building
- D. Conventional chemical DPC installation as appropriate method, with realistic expectations regarding moisture reduction timescale
Answer: D
NEW QUESTION # 101
When photographs are included in a report, they should:
- A. Include scale references, directional indicators, and clear captions explaining what is shown
- B. Have no dates
- C. Show no scale or reference
- D. Be blurred
Answer: A
NEW QUESTION # 102
The main objective of rising damp control is to:
- A. Mask the problem
- B. Remove all masonry
- C. Ignore the issue
- D. Prevent moisture rising by introducing a DPC barrier and managing any existing moisture/salts
Answer: D
NEW QUESTION # 103
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