IICRC OCT Exam Questions with Correct Solutions Latest Version Fully Solved

IICRC OCT Exam Questions with Correct Solutions Latest Version Fully Solved Gases which eminate from a source which is perceived by the nose - Answers Odor Part of brain humans use to perceive odors - Answers Olfactory love Smell that may linger due to past experiences or impressions that were not there prior to disaster - Answers Heightened awareness odors/physiological odors If you don't smell an odor does that mean the odor dosent exist? - Answers No Field of science which is concerned with smell - Answers osmics Volatility - Answers 4 properties of smell Water soluble - Answers 4 properties of smell Lipid(fat) solubility - Answers 4 properties of smell Absent from nasal tissue - Answers 4 properties of smell Temperature and RH - Answers Odor is apparent when what is high Cling to or attract to a porous surface - Answers adsorb To dissolve or diffuse a liquid into another material - Answers aBsorb Ability of a material to hold odors - Answers Porosity Higher aDsorption - Answers Higher porosity = Highly porous substance that tenaciously clings to malodors - Answers Natural wicks Examples of natural wicks - Answers Wood, fabric, paper,cork,unsealed concrete, flat paints Remove as much of odor source as possible #1 - Answers 4 principles of odor control Clean contaminated source area #2 - Answers 4 principles of odor control Penetrate odor counteract any in all surfaces and spaces #3 - Answers 4 principles of odor control Sealing #4 - Answers 4 principles of odor control Locks in further malodor release - Answers What does sealing do Good indicator of performance of odor control or coating - Answers Perm permance factor More effective sealer is at controlling odor - Answers Lower perm permance = Clean and deodorize - Answers PRIOR TO sealing Best odor detecting tool - Answers Nose Remove source - Answers Steps to remove an odor Treat the odor - Answers Steps to remove an odor Solid materials (active charcoal, baking soda) - Answers Adsorbants Works against chemical odors (bleaches,acids) - Answers Neutralizer Binds oxygen with another substance - Answers Oxidizers Peroxide, ozone machine, bleach - Answers Example of oxidizers Inhibit growth of microorganisms - Answers Biocides Works against compounds - Answers Counteractants Masking and pairing agents - Answers Counteractants have both Disguising a bad odor with a good odor - Answers Masking Masking agents are usually - Answers Time released deodorant Manufactured enzymes used to digest organic odor materials - Answers Bioenzymatic Pressure/compound sprayers - Answers Examples of deodorizing eq 100+ microns - Answers Pressure compound sprayer droplet size 25-100 microns - Answers Wet fogger and mister droplet size Treat airspace with water or alcohol based formulas - Answers ULV foggers 5-6 hours - Answers ULV fogger spray stays in air for A device that uses heat to release petroleum based deodorant droplets ranging from 0.5-2 microns - Answers Thermal fogger O3 - Answers Chemical designation for ozone Effective at counteracting odors,but toxic to inhale - Answers Ozone machine is Ozone dissipation time - Answers 10-15 minutes Recreate earths atmosphere to blow pure air - Answers Hydroxyl generators The human sense that is able to detect odors - Answers olfactory sense(smell) An important property for a substance to have a detectable odor - Answers Water solubility (4 Principles of odor removal #2) - Answers Cleaning source area Combines with and changes a malodorous substance to create an odorless compound - Answers Pairing agent The process of enzymes breaking down odor causing organic material (meat,eggs,fish) - Answers Bioenzymatic digestion Used to describe inches or millimeters - Answers Micron Damage to moisture sensitive materials is a concern when using a - Answers Wet fogger The use of thermal fogging in an odor intense environment can best be described as an odor modification or __________________ treatment. - Answers Counteracting Ozone is _____ than air - Answers heavier Plants and natural rubber may be damaged when exposed to - Answers Ozone