Exam (elaborations)

IICRC ASD ACTUAL EXAM QUESTIONS WITH ANSWERS 2025/2026 GRADED A+

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IICRC

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IICRC

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Uploaded on February 9, 2025
Number of pages 17
Written in 2024/2025
Type Exam (elaborations)
Contains Questions & answers

iicrc asd actual exam questions with answers 2025

Institution IICRC
Course IICRC

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IICRC ASD ACTUAL EXAM QUESTIONS WITH ANSWERS 2025/2026
GRADED A+
AFD - negative air machines-NAM; air scrubbers; HEPA filters

Conventional Dehumidifier - RH 40% 55 GPP

LGR - 30% RH 34 GPP

Desiccant - 10% RH 10-15 GPP

AHAM Rating - Pints removed at 80º F / 60% RH in 24 hours

Refrigerants - Most efficient operating conditions 70º -90º F.

Desiccants - Most efficient with incoming air from coolest/driest air possible; capable of
creating greatest pressure differentials (air and vapor pressures); produces low humidity
ratio (gpp) important to dry Class 4 materials, dense materials, and complex systems.

Dehumidifier uses - closed-drying environments; multiple layers of materials; security
limitations; high outside (and inside) humidity conditions; no ventilation ports; basement
areas

Conventional Class 1 - 100

Conventional Class 2 - 40

Conventional Class 3 - 30

Conventional Class 4 - N/A

LGR Class 1 - 100

LGR Class 2 - 50

LGR Class 3 - 40

LGR Class 4 - 40

Desiccant Class 1 - 1 ACH

Desiccant Class 2 - 2 ACH

Desiccant Class 3 - 3 ACH

Desiccant Class 4 - 3 ACH

,Amperes - the amount of electricity (current) flowing in a circuit

Voltage - The force of electricity flow in a circuit

Watts - the amount of electricity an electrical device uses when operating

British Thermal Units - heat generated by electrical device

BTU Formula - amps x volts x 3.4 = BTU per hour

HVAC - cooling ability to remove 12,000 Btu per ton per hour

Residential Electric - 15 amp

Commercial Electric - 20 amp

Power Splitters - when there is limited amperage or fuses(typically, 30 amp-dryer/50
amp-range

Light weight extension cords - shock/fire hazards

Power Consumption Formula $ - volts x amps x 24 hours = watts ÷ 1000 = kW x cost
per kW@day

Moisture Sensor - senses moisture in materials over 17% MC; helps determine
perimeter of water damage; unable to determine which layer is wet or when dry

Thermo-hygrometer - determines temperature / RH in all required atmospheric areas of
inspection; helps determine open or closed drying system; further determines
dehumidifier recommendations after initial placement

Moisture Meters - invasive and non-invasive; determines moisture content; establish,
monitor and determine when dry standards are met

Miscellaneous Meters - infrared camera and thermometer; manometer; borescope; data
logger

HEPA - High Efficiency Particulate Air (99.97% capture rate of particulates at .3 micron
size)

EPA - Environmental Protection Agency (U.S. federal agency with regulatory control
over biocides)

FIFRA - Federal Insecticide, Fungicide and Rodenticide Act -U.S. federal regulations
administered by EPA

, Disinfectants -

Sanitizers -

Sterilizers -

Carpet installation methods - stretch-in, direct glue-down, double glue-down

Carpet drying methods - in-place, full float, partial float

Carpet construction - woven-Axminster, Wilton; usually natural fibers; tufted-primarily
synthetic

Carpet delamination - separation of primary from secondary backing; laminate strength
loss up to 85% when wet (causes -over-aggressive extraction; "flapping" vs. floating;
improper cushion; urine; folding; improper carpet stretch)

Carpet and Category 3 Water - Must remove and dispose; IEP possibly required for
testing; if Category 2 -hot water extraction of carpet required if saved; ground surface
water intrusion also known as Category 3

Carpet Cushion - padding, underlay

Carpet Cushion Types - foam (prime, bonded urethane); rubber; felt (hair/jute,
synthetic); porous and non-porous

Carpet Cushion and Category 2 and 3 water - remove and properly dispose

Wood Flooring Types - strip wood, plank wood, engineered -laminated wood, parquet

Wood Non-Destructive and Non Rotting MC Supporting Fungal Growth - 16%

Wood Destructive and Wood-Rooting Supporting Fungal Growth - 20%

Wood damages from moisutre - cupping -from wood edges and bottom; crowning;
buckling; heaving

Wood drying standard - DS + 10%

Microbiology - fungus; bacteria; virus

Conditions for Microbial Growth - organic food source (cellulose)
moisture (or high humidity)
temperature (most prolific 68-86º F. / 20-30º C.)
stagnant air
time (some 1-2 days; others up to 10-12 days in chronic conditions)

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Exam (elaborations)

IICRC ASD ACTUAL EXAM QUESTIONS WITH ANSWERS 2025/2026 GRADED A+

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