Asbestos worker examination 2025 update| comprehensive questions and verified answers
(complete solutions) assured success|grade a+!! (100% accurate) get it right!
What is a Greek meaning of the word asbestos? - -Inextinguishable
--What time frame in history was most of the asbestos installed in buildings in the United States? - -
1950 to 1970s
--Name the country that produces most of the chrysotile asbestos worldwide. Name the country that
produces the most amosite worldwide. - -Russia (chrysotile)
South Africa (amosite)
--What is the most commonly used asbestos? - -Chrysotile
--What colors are associated with which type of asbestos? - -White: Chrysotile
Brown: Amosite
Blue: Crocidolite
--What type of us asbestos fiber is the most difficult to keep wet and hard to control? - -Amosite
--What is the definition of an asbestos fiber? - -5 microns long with a 3-to-1 aspect ratio
--What are four ways we can keep asbestos out of our body? - -Engineering controls
Work practices
Protective clothing
Respirators
--What does PEL stand for? - -Permissible Exposure Limit
--How many EPA regulation asbestos fibers are there? - -6
--What type of asbestos fibers are wavy and what type are straight - -Serpentine (wavy)
Amphibole (Straight)
, --What are the two states of asbestos? - -Friable & Non- Friable
--What is the definition of friable - -Can be crushed, crumbled or pulverized by hand pressure
--What are the four reasons we used asbestos in building materials? - -Will not burn
Structural stability
Good thermal and electrical insulator
Impervious to chemical attack
--What are the EPA three categories of a ACM? - -Surfacing material
Thermal system insulation
Miscellaneous
--Surfacing material may be applied by what method - -Sprayed on, troweled on or otherwise
applied
--What is the most common type of asbestos in Vermiculite? - -Tremolite
--When were asbestos related health problems first noted? - -Over 2000 years ago
--What are the three types of scarring which asbestos can cause? - -Asbestosis
Pleural plaques
Skin growths
--What is the current OSHA
PEL concerning asbestos fibers? - -0.1 f/cc
--Is asbestos a man-made fiber? - -No. It's a naturally occurring mineral/rock
--What are the three types of cancer asbestos can cause? - -Lung
(complete solutions) assured success|grade a+!! (100% accurate) get it right!
What is a Greek meaning of the word asbestos? - -Inextinguishable
--What time frame in history was most of the asbestos installed in buildings in the United States? - -
1950 to 1970s
--Name the country that produces most of the chrysotile asbestos worldwide. Name the country that
produces the most amosite worldwide. - -Russia (chrysotile)
South Africa (amosite)
--What is the most commonly used asbestos? - -Chrysotile
--What colors are associated with which type of asbestos? - -White: Chrysotile
Brown: Amosite
Blue: Crocidolite
--What type of us asbestos fiber is the most difficult to keep wet and hard to control? - -Amosite
--What is the definition of an asbestos fiber? - -5 microns long with a 3-to-1 aspect ratio
--What are four ways we can keep asbestos out of our body? - -Engineering controls
Work practices
Protective clothing
Respirators
--What does PEL stand for? - -Permissible Exposure Limit
--How many EPA regulation asbestos fibers are there? - -6
--What type of asbestos fibers are wavy and what type are straight - -Serpentine (wavy)
Amphibole (Straight)
, --What are the two states of asbestos? - -Friable & Non- Friable
--What is the definition of friable - -Can be crushed, crumbled or pulverized by hand pressure
--What are the four reasons we used asbestos in building materials? - -Will not burn
Structural stability
Good thermal and electrical insulator
Impervious to chemical attack
--What are the EPA three categories of a ACM? - -Surfacing material
Thermal system insulation
Miscellaneous
--Surfacing material may be applied by what method - -Sprayed on, troweled on or otherwise
applied
--What is the most common type of asbestos in Vermiculite? - -Tremolite
--When were asbestos related health problems first noted? - -Over 2000 years ago
--What are the three types of scarring which asbestos can cause? - -Asbestosis
Pleural plaques
Skin growths
--What is the current OSHA
PEL concerning asbestos fibers? - -0.1 f/cc
--Is asbestos a man-made fiber? - -No. It's a naturally occurring mineral/rock
--What are the three types of cancer asbestos can cause? - -Lung