Asbestos Contractor/Supervisor License Exam 2
Questions And Correct Answers (Verified Answers) Plus
Rationales 2025
,1. What is the primary health risk associated with asbestos exposure?
A) Lead poisoning
B) Lung cancer and asbestosis
C) Silicosis
D) Mercury poisoning
Answer: B) Lung cancer and asbestosis
Rationale: Asbestos fibers can cause serious lung diseases including asbestosis, lung
cancer, and mesothelioma when inhaled over time.
2. What is the most effective way to control asbestos dust during abatement?
A) Use of wet methods and HEPA-filtered vacuuming
B) Use of leaf blowers to disperse dust
C) Dry sweeping the area
D) Ventilation with open windows
,Answer: A) Use of wet methods and HEPA-filtered vacuuming Rationale:
Wetting asbestos materials reduces airborne fibers, and HEPA vacuums trap
microscopic fibers effectively, reducing worker exposure.
3. Who is required to wear a respirator during asbestos abatement?
A) Only the contractor
B) All workers within the regulated area
C) Visitors only
D) Supervisors only
Answer: B) All workers within the regulated area
Rationale: OSHA regulations require all personnel in the regulated asbestos work area to
wear appropriate respiratory protection to prevent inhalation of fibers.
4. What does the term mean?
A) Asbestos mixed with cement
B) Asbestos material that can be crumbled or pulverized by hand
C) Asbestos embedded in vinyl tiles
D) Non-hazardous asbestos-containing material
Answer: B) Asbestos material that can be crumbled or pulverized by hand Rationale:
Friable asbestos is the most hazardous form because it easily releases fibers into the air
when disturbed.
, 5. What is the purpose of a in asbestos abatement?
Questions And Correct Answers (Verified Answers) Plus
Rationales 2025
,1. What is the primary health risk associated with asbestos exposure?
A) Lead poisoning
B) Lung cancer and asbestosis
C) Silicosis
D) Mercury poisoning
Answer: B) Lung cancer and asbestosis
Rationale: Asbestos fibers can cause serious lung diseases including asbestosis, lung
cancer, and mesothelioma when inhaled over time.
2. What is the most effective way to control asbestos dust during abatement?
A) Use of wet methods and HEPA-filtered vacuuming
B) Use of leaf blowers to disperse dust
C) Dry sweeping the area
D) Ventilation with open windows
,Answer: A) Use of wet methods and HEPA-filtered vacuuming Rationale:
Wetting asbestos materials reduces airborne fibers, and HEPA vacuums trap
microscopic fibers effectively, reducing worker exposure.
3. Who is required to wear a respirator during asbestos abatement?
A) Only the contractor
B) All workers within the regulated area
C) Visitors only
D) Supervisors only
Answer: B) All workers within the regulated area
Rationale: OSHA regulations require all personnel in the regulated asbestos work area to
wear appropriate respiratory protection to prevent inhalation of fibers.
4. What does the term mean?
A) Asbestos mixed with cement
B) Asbestos material that can be crumbled or pulverized by hand
C) Asbestos embedded in vinyl tiles
D) Non-hazardous asbestos-containing material
Answer: B) Asbestos material that can be crumbled or pulverized by hand Rationale:
Friable asbestos is the most hazardous form because it easily releases fibers into the air
when disturbed.
, 5. What is the purpose of a in asbestos abatement?
