WATER RESTORATION EXAM IICRC / IICRC WATER RESTORATION 2023-2024 ACTUAL EXAM 200 QUESTIONS AND CORRECT DETAILED ANSWERS|AGRADE

WATER RESTORATION EXAM IICRC / IICRC

WATER RESTORATION 2023-2024 ACTUAL

EXAM 200 QUESTIONS AND CORRECT

DETAILED ANSWERS|AGRADE

when carpet delamination the loss of Integrity in the adhesives used to laminate the

primary and secondary backing has occurred further damage is very likely for this

reason when extensive carpet delamination is discovered ignitions must call it to

the attention of all materially interested parties document the condition and -

ANSWER- replacement

there are a number of causes for carpet delamination many of them related to -

ANSWER- improper restoration activities

typical causes of carpet delamination are - ANSWER- folding or stretching carpet

When Wet overly aggressive extraction improper specified underlay improper

installation improper removal of taxes trip improper floating of carpet excessive

wear pet damage

hygroscopic materials gain and lose moisture continually in an effort to equalize

with the water content in the surrounding air mass the more hygroscopic the

material the faster it will collect water vapor and the easier it will suffer -

ANSWER- secondary damage

when water intrusion results in water running through wall cavities inspection

access holes are used to ensure that blown in insulation has not compacted and lost

it - ANSWER- r value

cleaning procedures must be employed before the drying of a category 2 water loss

can continue at minimum affected underlay must be removed and disposed of and

the carpet must be thoroughly cleaned using a hot water extraction method -

ANSWER-

various cleaning and decontamination procedures must be used on Category 3

water losses including the removal of all - ANSWER- porous materials affected by

water intrusion

mini building materials will absorb excess water vapor and suffer damage

especially when the air is allowed to remain above - ANSWER- 60% relative

humidity

abide by local laws and regulations when disposing extracted water ways water is

best disposed of into a sanitary sewer - ANSWERthe primary goal of the initial extraction of the affected area is to contain further -

ANSWER- migration of water within the structure

whenever a carpet must be disengaged from the topless strip a - ANSWER- knee

kicker and carpet all must be used

if the carpet is to be reinstalled technician should avoid cutting carpet seams unless

it is absolutely - ANSWER- necessary

how many gallons of water are present in a basement that measures 30 x 25 where

water is standing at a depth of 6 ft 9 in - ANSWER- 37867.5

the most effective way to speed up the drying process is to remove as much of the

water in the liquid state as possible during - ANSWER- extraction face pore

extraction will significantly slow the drying process

every cubic foot of standing water present in a structure contains - ANSWER- 7.48

gallons

each gallon of water weighs - ANSWER- 8.34 lb

there are three levels of biocidal activity according to the Environmental Protection

Agency - ANSWER- sanitizer disinfectant sterilizer

whenever a chemical antimicrobial or biocide is used restorers must follow the -

ANSWER- directions explicitly

most antimicrobials require that the area of application be - ANSWER- vacated by

occupants and pants during application and for a period of time after application

establishing a dry standard is the best way to set restorative drying goals a dry

standard is established by obtaining a moisture reading using - ANSWERunaffected material

the numerical value from a moisture meter can be documented and used to monitor

progress for this reason the amount of moisture absorbed by semi Power Structural

Materials is measured most accurately with a moisture - ANSWER- moisture

meter not a moisture sensor

because of their non-invasive nature and quick surveying capabilities non-invasive

meters are the most effective tools for locating abnormal moisture behind and

beneath finishing materials such - ANSWER- ceramic tile and vinyl floor

coverings

a thermo hygrometer is used to monitor any air that can influence the - ANSWERtemperature and humidity within a restorative drying environment

after physically removing excess water the time required to dry wet materials is

influenced most by the - ANSWER- rate of evaporation

as the water is rapidly evaporated the vapor water is removed by - ANSWERdehumidification or ventilation

as moisture evaporates from a wet material the surface of the material becomes -

ANSWER- cooler because energy is released from the material

condensation occurs when a vapor changes to a - ANSWER- liquid occurs as

energy is removed

sublimation occurs when a solid changes to a vapor without going through a liquid

phase - ANSWERfreeze drying sublimation is typically used with valuable saturated books and

documents books and documents saturated with clean water maybe restorable if -

ANSWER- Frozen or dried as quickly as possible

when the air temperature increases it can hold - ANSWER- more water vapor