[Jan-2026] Exam CSDB: New Brain Dump Professional - TestInsides
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NEW QUESTION # 79
The soluble salts present in rising damp can cause:
- A. Damage to decorations, spalling of plaster, and efflorescence
- B. Increased structural strength
- C. Improved plaster adhesion
- D. Better paint coverage
Answer: A
NEW QUESTION # 80
A surveyor reports on penetrating damp in a cavity wall property. The report should include:
- A. Location of damp internally, corresponding external defects photographed, assessment of cavity integrity, insulation condition, and recommended repair prioritization
- B. Only aesthetic observations
- C. Only moisture meter readings
- D. Only recommendations without investigation details
Answer: A
NEW QUESTION # 81
A surveyor is diagnosing damp in a Victorian terraced property built in 1885. The property lacks a DPC and shows clear tide marks at 600mm above floor level with white salt crystals. The surveyor performs a calcium carbide test which shows 18% moisture content. What is the most likely diagnosis?
- A. Rising damp confirmed by multiple diagnostic methods
- B. Condensation with salt efflorescence
- C. Leaking pipework
- D. Penetrating damp from failed pointing
Answer: A
NEW QUESTION # 82
An electro-osmotic system for rising damp control operates by:
- A. Applying small electrical potentials to reverse capillary moisture rise
- B. Injecting chemicals
- C. Installing physical barriers
- D. Applying external render
Answer: A
NEW QUESTION # 83
According to BS 5250:2021, moisture management in buildings requires consideration of:
- A. Structural design only
- B. Thermal performance only
- C. Aesthetic performance only
- D. Thermal performance and moisture performance
Answer: D
NEW QUESTION # 84
Characteristic features of rising damp include:
- A. Tide marks with salt deposits increasing upward from ground level
- B. Only during summer months
- C. Random patches at all levels
- D. Only on the ceiling
Answer: A
NEW QUESTION # 85
Under COSHH regulations, before using hazardous substances on site, the employer must:
- A. Assess the risk and implement control measures
- B. Simply provide the product
- C. Only provide PPE
- D. Assume no risk
Answer: A
NEW QUESTION # 86
Penetrating damp often appears:
- A. Only during summer
- B. Only at skirting level
- C. As patches linked to specific external defects such as failed pointing or cracks
- D. Uniformly across entire walls
Answer: C
NEW QUESTION # 87
Personal Protective Equipment (PPE) should be provided:
- A. Only if employees request it
- B. As the primary control method
- C. Never
- D. As the last resort when all other control measures are inadequate
Answer: D
NEW QUESTION # 88
To diagnose condensation as opposed to rising or penetrating damp, the surveyor should observe:
- A. Moisture at all heights
- B. Tide marks at ground level
- C. Damp only after rainfall
- D. Surface condensation without salt deposits, appearing in cold corners and on windows
Answer: D
NEW QUESTION # 89
Nitrate salts found in rising damp staining typically indicate:
- A. Rainwater penetration
- B. Paint contamination
- C. Ground moisture from soil (particularly old animal waste/nitrogen sources)
- D. Sea water contamination
Answer: C
NEW QUESTION # 90
A surveyor encounters a property where the client reports "moisture everywhere" after recent heavy rainfall.
Upon inspection, moisture appears at multiple levels: ground floor shows tide marks at 400mm with salts (rising damp indicator); first floor shows scattered patches linked to a failed roof flashing (penetrating damp); and bathrooms show black mould on cold walls (condensation). The surveyor should:
- A. Diagnose only one type of damp
- B. Recommend treating all as rising damp
- C. Provide comprehensive diagnosis identifying all three sources, prioritizing repairs, and explaining different treatment approaches for each
- D. Recommend treating all as condensation
Answer: C
NEW QUESTION # 91
Material Safety Data Sheets (MSDS) for chemical damp treatments must contain information on:
- A. Hazards, safe handling, PPE, storage, and disposal procedures
- B. Supplier name only
- C. Product cost only
- D. Packaging materials only
Answer: A
NEW QUESTION # 92
In solid masonry buildings without a DPC, rising damp occurs due to:
- A. Capillary action drawing moisture upward from the ground
- B. Ventilation failure
- C. Rainfall only
- D. Condensation only
Answer: A
NEW QUESTION # 93
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?
- A. Recommend rising damp investigation
- B. Install external render to prevent moisture
- C. Assess ventilation adequacy, moisture generation, heating levels, and recommend extraction ventilation
- D. Recommend immediate chemical DPC installation
Answer: C
NEW QUESTION # 94
A professional dampness report should include:
- A. Only visual observations
- B. Only recommendations
- C. Only photographs
- D. The surveyor's qualifications, methodology, limitations, and date of inspection
Answer: D
NEW QUESTION # 95
The primary sources of moisture in buildings leading to condensation are:
- A. External rain only
- B. Leaking pipes only
- C. Rising damp
- D. Occupancy activities such as cooking, bathing, washing, and heating without adequate ventilation
Answer: D
NEW QUESTION # 96
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?
- A. Apply internal waterproof coating
- B. Install internal membrane behind affected plasterwork
- C. Inspect external pointing condition and cavity integrity; repair external defects as priority
- D. Remove all cavity insulation immediately
Answer: C
NEW QUESTION # 97
When a surveyor concludes that a property's damp problem is primarily caused by condensation resulting from occupant behavior (drying washing indoors, inadequate ventilation), the recommendation should:
- A. Only blame occupants
- B. Ignore occupant factors
- C. Explain the technical cause, recommend occupant action changes, and suggest building improvements to reduce condensation risk
- D. Recommend expensive structural works
Answer: C
NEW QUESTION # 98
In a listed building, the surveyor's recommendations must balance:
- A. Damp remediation requirements with conservation constraints; proposing appropriate solutions respecting historic fabric
- B. Accepting all damp
- C. Only modern solutions
- D. Ignoring conservation status
Answer: A
NEW QUESTION # 99
When condensation appears on windows, it typically indicates:
- A. High relative humidity in the building, with windows being coldest surfaces
- B. Poor quality windows
- C. Rising damp
- D. Structural failure
Answer: A
NEW QUESTION # 100
When assessing a basement for waterproofing, the surveyor must establish:
- A. Only cost considerations
- B. Only internal layout
- C. Water table level, external water pressure, construction method, and current protection type per BS 8102
- D. Only aesthetic preferences
Answer: C
NEW QUESTION # 101
External defects that commonly cause penetrating damp include:
- A. Interior plasterboard only
- B. Failed mortar pointing, cracks in masonry, blocked gutters, and defective flashings
- C. None; penetrating damp has no external cause
- D. Interior paint failure only
Answer: B
NEW QUESTION # 102
Photographic evidence in a dampness report should:
- A. Only show perfect conditions
- B. Show typical areas of damp, close-ups of specific defects, and reference photographs for context
- C. Be purely decorative
- D. Never be included
Answer: B
NEW QUESTION # 103
BS 5250:2021 section on kitchen ventilation requires:
- A. No ventilation
- B. Ventilation only in winter
- C. Opening windows only
- D. Continuous or background ventilation with additional extract during cooking (minimum rates specified)
Answer: D
NEW QUESTION # 104
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