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IICRC Practice Test

Pages 90 - 92

QuestionAnswer
The definition of pH is what? The relative acidity or alkalinity in a water-based solution
The purpose of a surfactant (surface-active agent) is what? To allow penetration of the cleaning solution into the fabric being cleaned
The charge of a cationic surfactant is what? positive
The charge of an anionic surfactant is what? negative
The charge of a nonionic surfactant is what? neutral
Doubling the amount of detergent in a cleaning solution does what? leaves residue which will cause resoiling
Solubility is important because why? it determines what the soil or spot will dissolve in
Most preconditioners and detergents are what? alkaline
Preconditioners designed for greasy soil found in restaurants are normally what? high pH and may contain enzymes
When using an powdered detergents it is very important to do what? dilute thoroughly in very hot water
Using an acid rinse after thoroughly preconditioning the carpet will do what? soften the carpet, brighten the colors, neutralize the preconditioner
What is the best way to identify a spot or a stain? use your sense, location of the spot and ask the customer
What is the best spotter for dried paint? POG
What is the best spotter for Coke? Alkaline spotter or prespray
What is the best spotter for old milk? Enzyme
What is the best spotter for coffee? tannin spotter or oxidizer
Using too much of a Paint, Oil and Grease (POG) may cause what? delamination
The most important issue when using a solvent is what? ventilation
What chemical helps to safely remove color stains by adding oxygen? Oxidizers such as 3% hydrogen preoxide
Created by: AnnetteLBudd
 



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