L2 – Asbestos Use & Identification
Practice Examination Questions With
Correct Answers (Verified Answers) Plus
Rationales 2026 Q&A | Instant
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1. What is asbestos?
A. A synthetic plastic fiber
B. A naturally occurring group of fibrous minerals
C. A man-made insulation material
D. A type of concrete additive
Correct Answer: B. A naturally occurring group of fibrous minerals
Bold Rationale: Asbestos refers to a group of naturally occurring
silicate minerals that separate into strong, heat-resistant fibers. These
properties led to widespread industrial and construction use.
2. Which characteristic contributed most to the widespread use of
asbestos?
A. It dissolves easily in water
B. It is biodegradable
C. It is resistant to heat and fire
D. It emits no dust when disturbed
,Correct Answer: C. It is resistant to heat and fire
Bold Rationale: Asbestos became popular because of its excellent fire
resistance, thermal insulation properties, strength, and durability.
3. How many major commercial types of asbestos are commonly
recognized?
A. Two
B. Four
C. Six
D. Eight
Correct Answer: C. Six
Bold Rationale: Six commercially recognized asbestos minerals were
historically used in industry: chrysotile, amosite, crocidolite, tremolite,
anthophyllite, and actinolite.
4. Which type of asbestos belongs to the serpentine group?
A. Crocidolite
B. Amosite
C. Tremolite
D. Chrysotile
Correct Answer: D. Chrysotile
Bold Rationale: Chrysotile, also known as white asbestos, is the only
commercially significant serpentine asbestos and accounts for most
asbestos used worldwide.
,5. Which asbestos type is commonly known as white asbestos?
A. Amosite
B. Chrysotile
C. Crocidolite
D. Anthophyllite
Correct Answer: B. Chrysotile
Bold Rationale: Chrysotile fibers are white and flexible, leading to the
common name “white asbestos.”
6. Which asbestos type is commonly known as brown asbestos?
A. Amosite
B. Chrysotile
C. Crocidolite
D. Tremolite
Correct Answer: A. Amosite
Bold Rationale: Amosite is commonly called brown asbestos and was
frequently used in insulation products and cement materials.
7. Which asbestos type is commonly known as blue asbestos?
A. Tremolite
B. Actinolite
C. Crocidolite
D. Chrysotile
, Correct Answer: C. Crocidolite
Bold Rationale: Crocidolite is referred to as blue asbestos due to its
distinctive coloration and fine, sharp fibers.
8. Which asbestos type was most commonly used worldwide?
A. Anthophyllite
B. Crocidolite
C. Chrysotile
D. Actinolite
Correct Answer: C. Chrysotile
Bold Rationale: Chrysotile represented the vast majority of asbestos
used in commercial products because of its availability and versatility.
9. What is the primary health concern associated with asbestos?
A. Chemical burns
B. Radiation exposure
C. Inhalation of airborne fibers
D. Skin staining
Correct Answer: C. Inhalation of airborne fibers
Bold Rationale: The greatest hazard occurs when asbestos fibers
become airborne and are inhaled into the lungs, where they can
remain for decades.
10. Which property makes asbestos fibers hazardous when inhaled?
Practice Examination Questions With
Correct Answers (Verified Answers) Plus
Rationales 2026 Q&A | Instant
Download Pdf
1. What is asbestos?
A. A synthetic plastic fiber
B. A naturally occurring group of fibrous minerals
C. A man-made insulation material
D. A type of concrete additive
Correct Answer: B. A naturally occurring group of fibrous minerals
Bold Rationale: Asbestos refers to a group of naturally occurring
silicate minerals that separate into strong, heat-resistant fibers. These
properties led to widespread industrial and construction use.
2. Which characteristic contributed most to the widespread use of
asbestos?
A. It dissolves easily in water
B. It is biodegradable
C. It is resistant to heat and fire
D. It emits no dust when disturbed
,Correct Answer: C. It is resistant to heat and fire
Bold Rationale: Asbestos became popular because of its excellent fire
resistance, thermal insulation properties, strength, and durability.
3. How many major commercial types of asbestos are commonly
recognized?
A. Two
B. Four
C. Six
D. Eight
Correct Answer: C. Six
Bold Rationale: Six commercially recognized asbestos minerals were
historically used in industry: chrysotile, amosite, crocidolite, tremolite,
anthophyllite, and actinolite.
4. Which type of asbestos belongs to the serpentine group?
A. Crocidolite
B. Amosite
C. Tremolite
D. Chrysotile
Correct Answer: D. Chrysotile
Bold Rationale: Chrysotile, also known as white asbestos, is the only
commercially significant serpentine asbestos and accounts for most
asbestos used worldwide.
,5. Which asbestos type is commonly known as white asbestos?
A. Amosite
B. Chrysotile
C. Crocidolite
D. Anthophyllite
Correct Answer: B. Chrysotile
Bold Rationale: Chrysotile fibers are white and flexible, leading to the
common name “white asbestos.”
6. Which asbestos type is commonly known as brown asbestos?
A. Amosite
B. Chrysotile
C. Crocidolite
D. Tremolite
Correct Answer: A. Amosite
Bold Rationale: Amosite is commonly called brown asbestos and was
frequently used in insulation products and cement materials.
7. Which asbestos type is commonly known as blue asbestos?
A. Tremolite
B. Actinolite
C. Crocidolite
D. Chrysotile
, Correct Answer: C. Crocidolite
Bold Rationale: Crocidolite is referred to as blue asbestos due to its
distinctive coloration and fine, sharp fibers.
8. Which asbestos type was most commonly used worldwide?
A. Anthophyllite
B. Crocidolite
C. Chrysotile
D. Actinolite
Correct Answer: C. Chrysotile
Bold Rationale: Chrysotile represented the vast majority of asbestos
used in commercial products because of its availability and versatility.
9. What is the primary health concern associated with asbestos?
A. Chemical burns
B. Radiation exposure
C. Inhalation of airborne fibers
D. Skin staining
Correct Answer: C. Inhalation of airborne fibers
Bold Rationale: The greatest hazard occurs when asbestos fibers
become airborne and are inhaled into the lungs, where they can
remain for decades.
10. Which property makes asbestos fibers hazardous when inhaled?
