Asbestos Supervisor / Contractor Level
A.0 – Asbestos Supervisor Training
Practice Exam Questions With Correct
Answers (Verified Answers) Plus
Rationales 2026 Q&A | Instant
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1. What is asbestos primarily classified as in occupational
health?
A. Biological hazard
B. Chemical irritant
C. Carcinogenic mineral fiber
D. Radioactive material
Correct Answer: C
Rationale: Asbestos is classified as a carcinogenic mineral fiber
because inhalation of its fibers can lead to serious diseases
such as asbestosis, mesothelioma, and lung cancer.
2. Which disease is most strongly associated with asbestos
exposure?
,A. Tuberculosis
B. Mesothelioma
C. Silicosis
D. Asthma
Correct Answer: B
Rationale: Mesothelioma is a rare but aggressive cancer of the
lining of the lungs or abdomen, strongly linked to asbestos
exposure.
3. What is the main route of asbestos entry into the body?
A. Skin absorption
B. Ingestion
C. Inhalation
D. Injection
Correct Answer: C
Rationale: Asbestos fibers primarily enter the body through
inhalation and lodge in lung tissue, causing long-term
damage.
4. Which PPE is most critical when working with asbestos?
A. Cotton gloves
B. Respirator with P3 filter
,C. Safety glasses only
D. Ear plugs
Correct Answer: B
Rationale: A respirator fitted with a P3 filter is essential to
prevent inhalation of microscopic asbestos fibers.
5. What is the purpose of a controlled asbestos enclosure?
A. Improve lighting
B. Contain airborne fibers
C. Increase ventilation
D. Speed up demolition
Correct Answer: B
Rationale: Enclosures prevent the spread of asbestos fibers
beyond the work area, protecting workers and the public.
6. What type of asbestos is considered most hazardous?
A. Chrysotile
B. Tremolite
C. All forms equally hazardous
D. None are hazardous
Correct Answer: C
, Rationale: All asbestos types are hazardous when inhaled,
although some amphibole forms are more biopersistent.
7. What should be done before disturbing suspected asbestos
material?
A. Wet it and break it
B. Perform risk assessment and sampling
C. Sweep it dry
D. Vacuum with household cleaner
Correct Answer: B
Rationale: A proper assessment and sampling ensure
identification before any disturbance to prevent exposure.
8. What is the role of an Asbestos Supervisor?
A. Clean office areas
B. Oversee safe asbestos removal work
C. Sell asbestos materials
D. Inspect vehicles
Correct Answer: B
Rationale: The supervisor ensures compliance with safety
procedures and proper asbestos removal practices.
A.0 – Asbestos Supervisor Training
Practice Exam Questions With Correct
Answers (Verified Answers) Plus
Rationales 2026 Q&A | Instant
Download Pdf
1. What is asbestos primarily classified as in occupational
health?
A. Biological hazard
B. Chemical irritant
C. Carcinogenic mineral fiber
D. Radioactive material
Correct Answer: C
Rationale: Asbestos is classified as a carcinogenic mineral fiber
because inhalation of its fibers can lead to serious diseases
such as asbestosis, mesothelioma, and lung cancer.
2. Which disease is most strongly associated with asbestos
exposure?
,A. Tuberculosis
B. Mesothelioma
C. Silicosis
D. Asthma
Correct Answer: B
Rationale: Mesothelioma is a rare but aggressive cancer of the
lining of the lungs or abdomen, strongly linked to asbestos
exposure.
3. What is the main route of asbestos entry into the body?
A. Skin absorption
B. Ingestion
C. Inhalation
D. Injection
Correct Answer: C
Rationale: Asbestos fibers primarily enter the body through
inhalation and lodge in lung tissue, causing long-term
damage.
4. Which PPE is most critical when working with asbestos?
A. Cotton gloves
B. Respirator with P3 filter
,C. Safety glasses only
D. Ear plugs
Correct Answer: B
Rationale: A respirator fitted with a P3 filter is essential to
prevent inhalation of microscopic asbestos fibers.
5. What is the purpose of a controlled asbestos enclosure?
A. Improve lighting
B. Contain airborne fibers
C. Increase ventilation
D. Speed up demolition
Correct Answer: B
Rationale: Enclosures prevent the spread of asbestos fibers
beyond the work area, protecting workers and the public.
6. What type of asbestos is considered most hazardous?
A. Chrysotile
B. Tremolite
C. All forms equally hazardous
D. None are hazardous
Correct Answer: C
, Rationale: All asbestos types are hazardous when inhaled,
although some amphibole forms are more biopersistent.
7. What should be done before disturbing suspected asbestos
material?
A. Wet it and break it
B. Perform risk assessment and sampling
C. Sweep it dry
D. Vacuum with household cleaner
Correct Answer: B
Rationale: A proper assessment and sampling ensure
identification before any disturbance to prevent exposure.
8. What is the role of an Asbestos Supervisor?
A. Clean office areas
B. Oversee safe asbestos removal work
C. Sell asbestos materials
D. Inspect vehicles
Correct Answer: B
Rationale: The supervisor ensures compliance with safety
procedures and proper asbestos removal practices.
