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IICRC OCT Course 2024/25 - Practice Questions and answers | Updated
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IICRC OCT Course 2024/25 - Practice Questions and answers | Updated
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IICRC OCT Course 2024/25 - PracticeQuestions and answers | Updated
ll ll ll ll ll ll ll ll ll ll ll ll ll
The _______ is the technician's best instrument for detecting the presence and intensity of
ll ll
an odor.
Nose ll ll ll ll ll ll ll ll
Odor is a gas interpreted by the ______________ ________________.
ll
Olfactory lobe ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll
The "pure" sensation of smell that is transmitted from the nose to the olfactory lobe by way
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of the olfactory nerve is called ________ _______.
ll
real odor ll ll ll ll ll ll ll ll ll ll
_____________________ _______________ is a term used by some to describe odors
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which people believe they smell, based on experiences, suggestions and past
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impressions. ll
Psychological odors ll ll ll ll ll ll ll ll ll ll ll ll ll ll
The human sense that is capable of distinguishing odors at very low concentrations is the
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_____________ ____________. ll
Olfactory sensell ll ll ll ll ll ll ll ll ll ll ll
An important property for a substance to have a detectable odor is ______________
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solubility.
water ll ll ll ll ll ll ll ll ll ll
___________________ is a condition where an individual becomes accustomed to an
ll
odor.
Aclamation ll ll ll ll ll ll ll ll ll
Odor is most apparent when ________________ and __________________ are high.
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humidity ; temperature ll ll ll ll ll ll ll ll ll
Most deodorizations usually begin with the removal of the _____________.
source ll ll ll ll ll ll ll ll ll ll
Cleaning the source area is the __________________ principle of odor control.
2nd ll ll ll ll ll ll ll ll
________________________ is the third general principle in effective deodorization.
Penetration ll ll ll ll ll ll ll
___________________ is the fourth principle of odor control.
Sealing
AD
ll ll ll ll ll ll ll ll ll
A __________________ is a compound that "locks-in" vaporous odor molecules.
sealer ll ll ll ll ll ll ll ll
Oxidizing agents break down organic matter by adding ________________.
oxygen ll ll ll ll ll ll
Chlorine bleach and ozone gas are ___________________.
oxidizers ll ll ll ll ll ll ll ll ll ll
Most deodorants used in smoke odor removal contain a combination of
ll ll ll ll
________________ and ____________ agents.
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masking ; pairing
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A _____________ _____________ combines with and changes a malodorous substance
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to create a new odorless compound. ll
pairing agent ll ll ll ll ll ll ll ll ll ll ll ll
________________ is a method of disguising a malodor with a stronger more pleasant
ll
odor.
Masking ll ll ll ll ll ll ll ll ll ll ll ll ll
Oils, gels or solid materials impregnated with fragrances to mask odors work on the
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____________-__________ principle.
time-released ll ll ll ll ll ll ll ll ll ll ll ll ll
The process of enzymes breaking down an odor causing organic material (such as milk,
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eggs, fish or pet odors) is called ___________________.
digestion
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A micron is a unit of measurement used to describe ________________ or
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____________________. ll ll
particle ; droplets ll ll ll ll ll ll ll ll
Damage to moisture-sensitive materials is a concern when using
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_______________________________________________.
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high volume wet foggers
AD
ll ll ll ll ll ll ll ll
A ULV fogger is used to cold-fog ___________________-based deodorants.
waterll ll ll ll ll ll ll ll ll ll ll ll ll
A ____________ fogger is specified primarily for use in the application of water based
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formulations where small deodorant droplets are desired that range from 8-15 microns.
ULV ll ll ll ll ll ll ll ll ll ll
A _____________ ________________ is a device that generates heat to produce
ll ll ll ll ll ll ll ll ll ll ll
petroleum-based deodorant droplets ranging in size between 0.5 to 2 microns.
ll
thermal fogger ll ll ll ll ll ll ll ll ll ll ll ll ll ll ll
The use of thermal fogging in an odor intense environment can best be described as an
ll ll ll ll ll
odor modification or __________________ treatment.
counteraction ll ll ll ll ll ll ll ll ll
______________ is an oxidizing gas with the chemical symbol 03.
Ozone ll ll ll ll ll ll ll ll ll ll ll ll ll
An electrically powered device used to produce an oxidizing odor-control gas is called an
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________________ ___________________. ll
ozone generator ll ll ll ll ll
Ozone gas is ____________________ than air.
heavier ll ll ll ll ll ll ll ll ll ll ll
Plants and natural (latex) rubber may be damaged by prolonged exposure to
ll
_______________. ll
ozone gas ll ll ll ll ll ll ll ll ll ll ll ll
Coughing, sneezing, nose bleeding and severe eye irritation are symptoms of exposure to
ll ll ll
excessive _____________________ gas.
ozone
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