IICRC WRT Exam ACTUAL EXAM
2026/2027 | Water Restoration Technician
100 Questions | Verified Q&A | Pass
Guaranteed - A+ Graded
Section 1: Water Damage Categories & Classes (15 Questions)
Q1: A technician responds to a residential loss. The homeowner reports a toilet overflow that contained
only urine (no feces). The water spread across a 20' × 20' living room with carpet, pad, and 6" of wicking
up drywall. What water category and class is this?
A. Category 2, Class 1
B. Category 2, Class 2 [CORRECT]
C. Category 3, Class 2
D. Category 2, Class 3
Correct Answer: B
Rationale: Urine-only overflow is Category 2 (gray water). Water affected carpet, pad, and 6" wicking up
walls across ~400 sq ft → fits Class 2 (large area, wicking).
Q2: A burst supply line under a kitchen sink releases clean water onto vinyl flooring in a 10' × 12' kitchen
with no wicking into walls. What category and class apply?
A. Category 1, Class 1 [CORRECT]
B. Category 1, Class 2
C. Category 2, Class 1
D. Category 3, Class 1
Correct Answer: A
Rationale: Clean water from a supply line is Category 1. Small area (120 sq ft), low-absorption vinyl
flooring, no wicking → Class 1.
,Q3: A technician arrives at a commercial building where a sewage backup has flooded the basement
with 4" of black water, saturating carpet, drywall up to 12", and wicking into concrete block walls. What
is the correct classification?
A. Category 3, Class 2
B. Category 2, Class 3
C. Category 3, Class 3 [CORRECT]
D. Category 3, Class 4
Correct Answer: C
Rationale: Sewage is grossly unsanitary → Category 3. Water has saturated walls, ceilings, and large area
with fastest evaporation rate → Class 3.
Q4: A washing machine discharge hose detaches, releasing soapy water onto ceramic tile in a 15' × 15'
laundry room. Water migrated under cabinets but did not wick into walls. What is the classification?
A. Category 1, Class 1
B. Category 2, Class 1 [CORRECT]
C. Category 2, Class 2
D. Category 3, Class 1
Correct Answer: B
Rationale: Washing machine discharge contains detergents/contaminants → Category 2. Ceramic tile
(low absorption), no wicking, small area → Class 1.
Q5: Following a hurricane, floodwater entered a home through the front door, covering hardwood floors
in the living room and wicking 8" up plaster walls. The water contained visible silt and debris. What is
the classification?
A. Category 2, Class 2
B. Category 3, Class 2 [CORRECT]
C. Category 3, Class 3
D. Category 2, Class 3
Correct Answer: B
Rationale: Rising floodwater is always Category 3 (grossly unsanitary). Hardwood and 8" wall wicking in
a single room → Class 2 (large area, wicking, fast evaporation).
Q6: A dishwasher leaks clean rinse water onto a sealed concrete floor in a 12' × 10' kitchen. No materials
are affected except the concrete surface. What is the classification?
,A. Category 1, Class 1 [CORRECT]
B. Category 1, Class 2
C. Category 2, Class 1
D. Category 1, Class 4
Correct Answer: A
Rationale: Clean rinse water from dishwasher is Category 1. Sealed concrete is low absorption, small
area, no wicking → Class 1.
Q7: A toilet overflows with fecal matter, saturating carpet, pad, and wicking 18" up drywall in a 25' × 20'
master bedroom. What classification applies?
A. Category 3, Class 2 [CORRECT]
B. Category 2, Class 3
C. Category 3, Class 3
D. Category 3, Class 4
Correct Answer: A
Rationale: Fecal matter makes this Category 3. Large room (500 sq ft) with carpet, pad, and wall wicking
→ Class 2.
Q8: A technician finds water from a broken aquarium (freshwater) that has saturated carpet and pad in
a 12' × 14' bedroom, with 4" of wicking into drywall. The water sat for 72 hours. What is the
classification?
A. Category 1, Class 2
B. Category 2, Class 2 [CORRECT]
C. Category 1, Class 1
D. Category 3, Class 2
Correct Answer: B
Rationale: Clean water that sits >48 hours becomes Category 2 due to microbial growth. Carpet, pad,
and wall wicking in moderate area → Class 2.
Q9: Water from a fire suppression sprinkler system (potable water) has flooded a warehouse, saturating
concrete floors and wicking 2 feet up cinder block walls across 5,000 sq ft. What is the classification?
A. Category 1, Class 3 [CORRECT]
B. Category 1, Class 2
, C. Category 2, Class 3
D. Category 1, Class 4
Correct Answer: A
Rationale: Potable sprinkler water is Category 1. Water has wicked significantly up walls across a very
large area → Class 3 (greatest wet surface area, fastest evaporation).
Q10: A sump pump fails in a basement, discharging groundwater that contains minor soil contamination
into a 30' × 20' area with carpet, pad, and 10" of wicking into drywall. What is the classification?
A. Category 1, Class 2
B. Category 2, Class 2 [CORRECT]
C. Category 3, Class 2
D. Category 2, Class 3
Correct Answer: B
Rationale: Groundwater with minor soil contamination is Category 2 (gray water). Large area with
carpet, pad, and wall wicking → Class 2.
Q11: A water heater rupture releases clean hot water into a crawl space, saturating dirt and wooden
floor joists. No standing water remains, but the joists are visibly wet. What is the classification?
A. Category 1, Class 4 [CORRECT]
B. Category 1, Class 2
C. Category 2, Class 4
D. Category 3, Class 4
Correct Answer: A
Rationale: Clean water from water heater is Category 1. Deep penetration into low-evaporation
materials (wood joists, dirt) with no standing water → Class 4.
Q12: A technician responds to a hospital where a drain backup released water containing blood and
bodily fluids into a patient room. The water saturated vinyl flooring and wicked 6" up painted drywall.
What is the classification?
A. Category 2, Class 2
B. Category 3, Class 2 [CORRECT]
C. Category 3, Class 1
D. Category 2, Class 1
2026/2027 | Water Restoration Technician
100 Questions | Verified Q&A | Pass
Guaranteed - A+ Graded
Section 1: Water Damage Categories & Classes (15 Questions)
Q1: A technician responds to a residential loss. The homeowner reports a toilet overflow that contained
only urine (no feces). The water spread across a 20' × 20' living room with carpet, pad, and 6" of wicking
up drywall. What water category and class is this?
A. Category 2, Class 1
B. Category 2, Class 2 [CORRECT]
C. Category 3, Class 2
D. Category 2, Class 3
Correct Answer: B
Rationale: Urine-only overflow is Category 2 (gray water). Water affected carpet, pad, and 6" wicking up
walls across ~400 sq ft → fits Class 2 (large area, wicking).
Q2: A burst supply line under a kitchen sink releases clean water onto vinyl flooring in a 10' × 12' kitchen
with no wicking into walls. What category and class apply?
A. Category 1, Class 1 [CORRECT]
B. Category 1, Class 2
C. Category 2, Class 1
D. Category 3, Class 1
Correct Answer: A
Rationale: Clean water from a supply line is Category 1. Small area (120 sq ft), low-absorption vinyl
flooring, no wicking → Class 1.
,Q3: A technician arrives at a commercial building where a sewage backup has flooded the basement
with 4" of black water, saturating carpet, drywall up to 12", and wicking into concrete block walls. What
is the correct classification?
A. Category 3, Class 2
B. Category 2, Class 3
C. Category 3, Class 3 [CORRECT]
D. Category 3, Class 4
Correct Answer: C
Rationale: Sewage is grossly unsanitary → Category 3. Water has saturated walls, ceilings, and large area
with fastest evaporation rate → Class 3.
Q4: A washing machine discharge hose detaches, releasing soapy water onto ceramic tile in a 15' × 15'
laundry room. Water migrated under cabinets but did not wick into walls. What is the classification?
A. Category 1, Class 1
B. Category 2, Class 1 [CORRECT]
C. Category 2, Class 2
D. Category 3, Class 1
Correct Answer: B
Rationale: Washing machine discharge contains detergents/contaminants → Category 2. Ceramic tile
(low absorption), no wicking, small area → Class 1.
Q5: Following a hurricane, floodwater entered a home through the front door, covering hardwood floors
in the living room and wicking 8" up plaster walls. The water contained visible silt and debris. What is
the classification?
A. Category 2, Class 2
B. Category 3, Class 2 [CORRECT]
C. Category 3, Class 3
D. Category 2, Class 3
Correct Answer: B
Rationale: Rising floodwater is always Category 3 (grossly unsanitary). Hardwood and 8" wall wicking in
a single room → Class 2 (large area, wicking, fast evaporation).
Q6: A dishwasher leaks clean rinse water onto a sealed concrete floor in a 12' × 10' kitchen. No materials
are affected except the concrete surface. What is the classification?
,A. Category 1, Class 1 [CORRECT]
B. Category 1, Class 2
C. Category 2, Class 1
D. Category 1, Class 4
Correct Answer: A
Rationale: Clean rinse water from dishwasher is Category 1. Sealed concrete is low absorption, small
area, no wicking → Class 1.
Q7: A toilet overflows with fecal matter, saturating carpet, pad, and wicking 18" up drywall in a 25' × 20'
master bedroom. What classification applies?
A. Category 3, Class 2 [CORRECT]
B. Category 2, Class 3
C. Category 3, Class 3
D. Category 3, Class 4
Correct Answer: A
Rationale: Fecal matter makes this Category 3. Large room (500 sq ft) with carpet, pad, and wall wicking
→ Class 2.
Q8: A technician finds water from a broken aquarium (freshwater) that has saturated carpet and pad in
a 12' × 14' bedroom, with 4" of wicking into drywall. The water sat for 72 hours. What is the
classification?
A. Category 1, Class 2
B. Category 2, Class 2 [CORRECT]
C. Category 1, Class 1
D. Category 3, Class 2
Correct Answer: B
Rationale: Clean water that sits >48 hours becomes Category 2 due to microbial growth. Carpet, pad,
and wall wicking in moderate area → Class 2.
Q9: Water from a fire suppression sprinkler system (potable water) has flooded a warehouse, saturating
concrete floors and wicking 2 feet up cinder block walls across 5,000 sq ft. What is the classification?
A. Category 1, Class 3 [CORRECT]
B. Category 1, Class 2
, C. Category 2, Class 3
D. Category 1, Class 4
Correct Answer: A
Rationale: Potable sprinkler water is Category 1. Water has wicked significantly up walls across a very
large area → Class 3 (greatest wet surface area, fastest evaporation).
Q10: A sump pump fails in a basement, discharging groundwater that contains minor soil contamination
into a 30' × 20' area with carpet, pad, and 10" of wicking into drywall. What is the classification?
A. Category 1, Class 2
B. Category 2, Class 2 [CORRECT]
C. Category 3, Class 2
D. Category 2, Class 3
Correct Answer: B
Rationale: Groundwater with minor soil contamination is Category 2 (gray water). Large area with
carpet, pad, and wall wicking → Class 2.
Q11: A water heater rupture releases clean hot water into a crawl space, saturating dirt and wooden
floor joists. No standing water remains, but the joists are visibly wet. What is the classification?
A. Category 1, Class 4 [CORRECT]
B. Category 1, Class 2
C. Category 2, Class 4
D. Category 3, Class 4
Correct Answer: A
Rationale: Clean water from water heater is Category 1. Deep penetration into low-evaporation
materials (wood joists, dirt) with no standing water → Class 4.
Q12: A technician responds to a hospital where a drain backup released water containing blood and
bodily fluids into a patient room. The water saturated vinyl flooring and wicked 6" up painted drywall.
What is the classification?
A. Category 2, Class 2
B. Category 3, Class 2 [CORRECT]
C. Category 3, Class 1
D. Category 2, Class 1
