ASBESTOS WORKER TEST EXAM QUESTIONS AND ANSWERS GRADED A+
What is a Greek meaning of the word asbestos? ANS >>
Inextinguishable
What time frame in history was most of the asbestos installed
in buildings in the United States? ANS >> 1950 to 1970s
Name the country that produces most of the chrysotile
asbestos worldwide. Name the country that produces the most
amosite worldwide. ANS >> Russia (chrysotile)
South Africa (amosite)
What is the most commonly used asbestos? ANS >> Chrysotile
,ASBESTOS WORKER TEST EXAM
What colours are associated with which type of asbestos? ANS
>> White: Chrysotile
Brown: Amosite
Blue: Crocidolite
What type of us asbestos fibber is the most difficult to keep wet
and hard to control? ANS >> Amosite
What is the definition of an asbestos fibber? ANS >> 5 microns
long with a 3-to-1 aspect ratio
What are four ways we can keep asbestos out of our body?
ANS >> Engineering controls
Work practices
Protective clothing
Respirators
What does PEL stand for? ANS >> Permissible Exposure Limit
How many EPA regulation asbestos fibbers are there? ANS >>
6
, ASBESTOS WORKER TEST EXAM
What type of asbestos fibbers are wavy and what type being
straight ANS >> Serpentine (wavy)
Amphibole (Straight)
What are the two states of asbestos? ANS >> Friable & Non-
Friable
What is the definition of friable ANS >> Can be crushed,
crumbled or pulverized by hand pressure
What are the four reasons we used asbestos in building
materials? ANS >> Will not burn
Structural stability
Good thermal and electrical insulator
Impervious to chemical attack
What is the EPA three categories of an ACM? ANS >> Surfacing
material
Thermal system insulation
Miscellaneous