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