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IICRC OCT Course 2023 - Practice Questions.
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IICRC OCT Course 2023 - Practice Questions.
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IICRC OCT Course 2023 - PracticeQuestions
The _______ is the technician's best instrument for detecting the presence and intensity of
an odor.
Nose
Odor is a gas interpreted by the ______________ ________________.
Olfactory lobe
The "pure" sensation of smell that is transmitted from the nose to the olfactory lobe by way
of the olfactory nerve is called ________ _______.
real odor
_____________________ _______________ is a term used by some to describe odors
which people believe they smell, based on experiences, suggestions and past impressions.
Psychological odors
The human sense that is capable of distinguishing odors at very low concentrations is the
_____________ ____________.
Olfactory sense
An important property for a substance to have a detectable odor is ______________
solubility.
water
___________________ is a condition where an individual becomes accustomed to an odor.
Aclamation
Odor is most apparent when ________________ and __________________ are high.
humidity ; temperature
Most deodorizations usually begin with the removal of the _____________.
source
Cleaning the source area is the __________________ principle of odor control.
2nd
, ________________________ is the third general principle in effective deodorization.
Penetration
___________________ is the fourth principle of odor control.
Sealing
A __________________ is a compound that "locks-in" vaporous odor molecules.
sealer
Oxidizing agents break down organic matter by adding ________________.
oxygen
Chlorine bleach and ozone gas are ___________________.
oxidizers
Most deodorants used in smoke odor removal contain a combination of ________________
and ____________ agents.
masking ; pairing
A _____________ _____________ combines with and changes a malodorous substance to
create a new odorless compound.
pairing agent
________________ is a method of disguising a malodor with a stronger more pleasant odor.
Masking
Oils, gels or solid materials impregnated with fragrances to mask odors work on the
____________-__________ principle.
time-released
The process of enzymes breaking down an odor causing organic material (such as milk,
eggs, fish or pet odors) is called ___________________.
digestion
A micron is a unit of measurement used to describe ________________ or
____________________.
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