Practice test for IICRC Water Restoration technician course 2024

Practice test for IICRC Water Restoration technician course 2024 Category 1 - CORRECT ANSWER-Category of Water that originates from sanitary water source (Clean) Catetroy 2 - CORRECT ANSWER-Category of Water that is contaminated; may cause discomfort or sickness (Grey) Category 3 - CORRECT ANSWER-Category of Water that is grossly contaminated; includes toxins, pathogens Special Situation - CORRECT ANSWER-Regulated or hazardous materials Class 1 - CORRECT ANSWER-Class of water that has least amount of water, absorption and evaporation Class 2 - CORRECT ANSWER-Class of water that has large amount of water, absorption and evaporation (carpet; cushion; base of walls) Class 3 - CORRECT ANSWER-Class of water that is the greatest amount of water, absorption and evaporation (ceiling; walls; insulation; flooring) Class 4 - CORRECT ANSWER-Class of water - Hardwood; plaster; concrete - Deep pockets of saturation Principles of Drying - CORRECT ANSWER-Remove excess / Evaporation / Dehumidification (Ventilation) / Temperature Control Light Wand - CORRECT ANSWER-Extraction Tool - Perimeter of water loss; extract glue-down carpets Stationary Tool (Water Claw) - CORRECT ANSWER-Extraction Tool - Subsurface Tool; Extract Carpet and Cushion. Self-Propelled Tools - CORRECT ANSWER-Extraction Tool - (Rober; Xtreme Xtractor) - Riding Tool; multi-speed; extract carpet and cushion. Vacuum Squeegee - CORRECT ANSWER-Extraction Tool - Concrete; hardwood; vinyl; laminate; Airmovers - CORRECT ANSWER-Evaporation Tool - centrifugal (laminar); axial (highamperage; low amperage; focus ability) 1 per 10-16 linear ft. of wall area; 15-45 degree focus; almost touching wall. - CORRECT ANSWER-Placement of Airmovers Structural Cavity Drying Systems - CORRECT ANSWER-(SCDS) vented (turbovents 18" - 48" widths' Octidry; Air Wolf injected (Injectidry; Dri-Force; Direct-it In) Floor Drying System - CORRECT ANSWER-vented (Air Wolf) Injected - negative air mats (Dri-Force; Injectidry) Air Filtration Devices - CORRECT ANSWER-AFDs (negative air machines; air scrubbers; HEPA filters) AHAM Rating - CORRECT ANSWER-On dehumidification equipment it is the pints removed at 80 degrees and 60% humidity in 24 hours. Standard Refrigerant - CORRECT ANSWER-Temperature - 68 degress Relative Humidity - 60% Specific Humidity (gpp) - 55-60 Conventional - CORRECT ANSWER-Temperature - 33 degrees Relative Humidity - 40% Specific Humidity (gpp) - 55-60 Low Grain Refrigerant (LGR) - CORRECT ANSWER-Temperature - 40 degrees Relative Humidity - 30% Specific Humidity (gpp) - 28-35 Desiccant - CORRECT ANSWER-Temperature - 32 degrees Relative Humidity - 10% - below Specific Humidity (gpp) - 10-15 - below Refrigerants - CORRECT ANSWER-Dehumidifiers that are most efficient operating conditions 70-90 degrees (most energy efficient) Desiccants - CORRECT ANSWER-Dehumidifiers that are most efficient with incoming air from coolest/driest air possible; capable of creating pressure differentials; produces low specific humidity required to dry Class 4 materials. Conventional - CORRECT ANSWER-Initial Dehumidification Calculations Class 1 = 100 Class 2 = 40 Class 3 = 30 Class 4 = N/A LGR - CORRECT ANSWER-Initial Dehumidification Calculations Class 1 = 100 Class 2 = 50 Class 3 = 40 Class 4 = 50 Desiccant - CORRECT ANSWER-Initial Dehumidification Calculation