WRT IICRC EXAM QUESTIONS AND ANSWERS

Vinyl wall covering affects drying process because it is a vapor retarder - Answer-True Carpet can be easily damaged while it is wet. If it delaminates the most likely solution is - Answer-Recommend removal and replacement Measures how easily a vapor can pass through a material - Answer-Permeance Carpet seams should only be cut where necessary. What is one necessary reason for cutting seams in salvable carpet? - Answer-To remove carpet padding If drywall ceiling are saturated and sagging, immediately remove and dispose of affected ceiling materials - Answer-True When drywall is saturated it gets very soft and it won't regain its strength when dry - Answer-False Which subfloor material is damaged the least when it gets wet - Answer-Plywood To dry the subfloor underneath vinyl flooring, remove the vinyl - Answer-True When particle board gets wet what should you do with it - Answer-Dispose of it Wet concrete can be dried by applying heat energy - Answer-True Drying a wet wall cavity by injecting air into it speeds - Answer-Evaporation If the dew point changes, what 2 other humidity measurements change with it - Answer-Vapor pressure and humidity ratio What is the measurable force that vapor creates on the things around it - Answer-Vapor pressure What is the temperature at which air reaches 100% relative humidity and condensation can occur - Answer-Dew point What is the weight of vapor in dry air called - Answer-Humidity ratio (grains per pound) Reducing the amount of water vapor in the air is called - Answer-Dehumidification The amount of moisture in a sample of air, compared to the maximum amount that air could have in it, is called - Answer-Relative humidity If you heat the air up, but do not add anymore humidity to it, what will the relative humi