Supervisor / Contractor Level A2.1 –
Asbestos Contractor/Supervisor
Refresher Exam Questions With Correct
Answers (Verified Answers) Plus
Rationales 2026 Q&A | Instant
Download Pdf
1. What is the primary health risk associated with asbestos
exposure?
A. Skin irritation
B. Hearing loss
C. Respiratory diseases including mesothelioma
D. Eye strain
Answer: C
Rationale: Asbestos fibers, when inhaled, can lodge in lung
tissue and cause serious long-term diseases such as asbestosis,
lung cancer, and mesothelioma.
2. Which form of asbestos is considered the most hazardous
due to its fiber structure?
,A. Chrysotile
B. Amosite
C. Crocidolite
D. Tremolite
Answer: C
Rationale: Crocidolite (blue asbestos) has the finest and most
needle-like fibers, making it highly respirable and dangerous.
3. What is the safest initial action before disturbing suspected
asbestos materials?
A. Break a sample for confirmation
B. Assume it is non-hazardous
C. Stop work and arrange testing
D. Wet the material immediately
Answer: C
Rationale: Suspected asbestos must always be presumed
hazardous until properly tested by qualified personnel.
4. Which document defines how asbestos removal work
should be safely carried out?
A. Risk Assessment
B. Method Statement
,C. Work Schedule
D. Incident Report
Answer: B
Rationale: A method statement outlines step-by-step
procedures to ensure safe asbestos removal.
5. What is the purpose of an asbestos risk assessment?
A. To estimate project cost
B. To identify hazards and control measures
C. To assign workers shifts
D. To test asbestos samples
Answer: B
Rationale: Risk assessments evaluate hazards and determine
how exposure risks will be controlled.
6. Which respiratory protection is typically required for
licensed asbestos removal?
A. Surgical mask
B. Half-face respirator only
C. FFP1 dust mask
D. Full-face P3 respirator or powered respirator
, Answer: D
Rationale: High-efficiency respiratory protection such as P3
filters or powered respirators is required for asbestos work.
7. What is the main purpose of a controlled asbestos
enclosure?
A. To improve lighting
B. To prevent fiber release into surrounding areas
C. To increase airflow
D. To store equipment
Answer: B
Rationale: Enclosures isolate asbestos work to prevent
contamination of adjacent areas.
8. Which colour is commonly associated with asbestos
warning signs?
A. Green
B. Blue
C. Red or yellow with black symbol
D. White only
Answer: C
Rationale: Warning signage typically uses high-visibility colors
such as red or yellow with hazard symbols.
Asbestos Contractor/Supervisor
Refresher Exam Questions With Correct
Answers (Verified Answers) Plus
Rationales 2026 Q&A | Instant
Download Pdf
1. What is the primary health risk associated with asbestos
exposure?
A. Skin irritation
B. Hearing loss
C. Respiratory diseases including mesothelioma
D. Eye strain
Answer: C
Rationale: Asbestos fibers, when inhaled, can lodge in lung
tissue and cause serious long-term diseases such as asbestosis,
lung cancer, and mesothelioma.
2. Which form of asbestos is considered the most hazardous
due to its fiber structure?
,A. Chrysotile
B. Amosite
C. Crocidolite
D. Tremolite
Answer: C
Rationale: Crocidolite (blue asbestos) has the finest and most
needle-like fibers, making it highly respirable and dangerous.
3. What is the safest initial action before disturbing suspected
asbestos materials?
A. Break a sample for confirmation
B. Assume it is non-hazardous
C. Stop work and arrange testing
D. Wet the material immediately
Answer: C
Rationale: Suspected asbestos must always be presumed
hazardous until properly tested by qualified personnel.
4. Which document defines how asbestos removal work
should be safely carried out?
A. Risk Assessment
B. Method Statement
,C. Work Schedule
D. Incident Report
Answer: B
Rationale: A method statement outlines step-by-step
procedures to ensure safe asbestos removal.
5. What is the purpose of an asbestos risk assessment?
A. To estimate project cost
B. To identify hazards and control measures
C. To assign workers shifts
D. To test asbestos samples
Answer: B
Rationale: Risk assessments evaluate hazards and determine
how exposure risks will be controlled.
6. Which respiratory protection is typically required for
licensed asbestos removal?
A. Surgical mask
B. Half-face respirator only
C. FFP1 dust mask
D. Full-face P3 respirator or powered respirator
, Answer: D
Rationale: High-efficiency respiratory protection such as P3
filters or powered respirators is required for asbestos work.
7. What is the main purpose of a controlled asbestos
enclosure?
A. To improve lighting
B. To prevent fiber release into surrounding areas
C. To increase airflow
D. To store equipment
Answer: B
Rationale: Enclosures isolate asbestos work to prevent
contamination of adjacent areas.
8. Which colour is commonly associated with asbestos
warning signs?
A. Green
B. Blue
C. Red or yellow with black symbol
D. White only
Answer: C
Rationale: Warning signage typically uses high-visibility colors
such as red or yellow with hazard symbols.
