P405 – MANAGEMENT OF ASBESTOS IN
BUILDINGS Exam Questions With
Correct Answers (Verified Answers) Plus
Rationales 2026 Q&A | Instant
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Question 1
What is asbestos primarily classified as in building materials?
A. Organic fiber
B. Naturally occurring mineral fiber
C. Synthetic polymer
D. Metallic compound
Correct Answer: B
Rationale: Asbestos is a group of naturally occurring silicate mineral
fibers known for heat resistance, durability, and insulation properties,
which led to its widespread use in construction materials.
Question 2
Which form of asbestos is considered the most commonly used
worldwide?
A. Crocidolite
B. Amosite
,C. Chrysotile
D. Tremolite
Correct Answer: C
Rationale: Chrysotile (white asbestos) is the most widely used form,
accounting for the majority of asbestos in commercial products due to
its flexibility and availability.
Question 3
The main health risk associated with asbestos exposure is:
A. Skin irritation
B. Respiratory diseases
C. Hearing loss
D. Liver disease
Correct Answer: B
Rationale: Inhalation of asbestos fibers can cause serious respiratory
conditions including asbestosis, lung cancer, and mesothelioma.
Question 4
Which disease is most strongly associated with asbestos exposure?
A. Tuberculosis
B. Mesothelioma
C. Asthma
D. Pneumonia
,Correct Answer: B
Rationale: Mesothelioma is a rare and aggressive cancer of the lining
of the lungs or abdomen, strongly linked to asbestos exposure.
Question 5
Asbestos becomes most dangerous when it is:
A. Painted over
B. Left undisturbed
C. Damaged or disturbed
D. Encapsulated properly
Correct Answer: C
Rationale: Asbestos is hazardous when fibers are released into the air,
typically during damage, drilling, cutting, or deterioration.
Question 6
What is the purpose of an asbestos survey?
A. To remove asbestos immediately
B. To identify and assess asbestos-containing materials
C. To repaint asbestos materials
D. To replace all building materials
Correct Answer: B
Rationale: An asbestos survey identifies the location, type, and
condition of asbestos-containing materials to manage risks effectively.
Question 7
, Which type of asbestos survey is required before demolition?
A. Management survey
B. Re-inspection survey
C. Refurbishment and demolition survey
D. Visual survey only
Correct Answer: C
Rationale: A refurbishment and demolition survey is fully intrusive and
required before major building work or demolition.
Question 8
What is asbestos encapsulation?
A. Burning asbestos materials
B. Sealing asbestos to prevent fiber release
C. Removing asbestos completely
D. Diluting asbestos fibers with water
Correct Answer: B
Rationale: Encapsulation involves coating asbestos materials with a
protective sealant to prevent fiber release without removal.
Question 9
Who is primarily responsible for managing asbestos in a non-domestic
building?
A. Tenants
B. Building owner or duty holder
BUILDINGS Exam Questions With
Correct Answers (Verified Answers) Plus
Rationales 2026 Q&A | Instant
Download Pdf
Question 1
What is asbestos primarily classified as in building materials?
A. Organic fiber
B. Naturally occurring mineral fiber
C. Synthetic polymer
D. Metallic compound
Correct Answer: B
Rationale: Asbestos is a group of naturally occurring silicate mineral
fibers known for heat resistance, durability, and insulation properties,
which led to its widespread use in construction materials.
Question 2
Which form of asbestos is considered the most commonly used
worldwide?
A. Crocidolite
B. Amosite
,C. Chrysotile
D. Tremolite
Correct Answer: C
Rationale: Chrysotile (white asbestos) is the most widely used form,
accounting for the majority of asbestos in commercial products due to
its flexibility and availability.
Question 3
The main health risk associated with asbestos exposure is:
A. Skin irritation
B. Respiratory diseases
C. Hearing loss
D. Liver disease
Correct Answer: B
Rationale: Inhalation of asbestos fibers can cause serious respiratory
conditions including asbestosis, lung cancer, and mesothelioma.
Question 4
Which disease is most strongly associated with asbestos exposure?
A. Tuberculosis
B. Mesothelioma
C. Asthma
D. Pneumonia
,Correct Answer: B
Rationale: Mesothelioma is a rare and aggressive cancer of the lining
of the lungs or abdomen, strongly linked to asbestos exposure.
Question 5
Asbestos becomes most dangerous when it is:
A. Painted over
B. Left undisturbed
C. Damaged or disturbed
D. Encapsulated properly
Correct Answer: C
Rationale: Asbestos is hazardous when fibers are released into the air,
typically during damage, drilling, cutting, or deterioration.
Question 6
What is the purpose of an asbestos survey?
A. To remove asbestos immediately
B. To identify and assess asbestos-containing materials
C. To repaint asbestos materials
D. To replace all building materials
Correct Answer: B
Rationale: An asbestos survey identifies the location, type, and
condition of asbestos-containing materials to manage risks effectively.
Question 7
, Which type of asbestos survey is required before demolition?
A. Management survey
B. Re-inspection survey
C. Refurbishment and demolition survey
D. Visual survey only
Correct Answer: C
Rationale: A refurbishment and demolition survey is fully intrusive and
required before major building work or demolition.
Question 8
What is asbestos encapsulation?
A. Burning asbestos materials
B. Sealing asbestos to prevent fiber release
C. Removing asbestos completely
D. Diluting asbestos fibers with water
Correct Answer: B
Rationale: Encapsulation involves coating asbestos materials with a
protective sealant to prevent fiber release without removal.
Question 9
Who is primarily responsible for managing asbestos in a non-domestic
building?
A. Tenants
B. Building owner or duty holder
