1. The ICC G11 exam primarily focuses on:
A. Commercial high-rise construction
B. Industrial building systems
C. Residential building codes and practices
D. Electrical engineering principles
ANSWER : C
Explanation: ICC G11 is centered on residential construction and applicable building codes.
2. Which code is most commonly referenced in ICC residential inspections?
A. NEC
B. IRC
C. IBC
D. NFPA 13
ANSWER : B
Explanation: The International Residential Code (IRC) governs one- and two-family
dwellings.
3. A one-family dwelling is defined as:
A. A structure with three units
B. A detached structure for one household
C. Any building under three stories
D. A commercial residence
ANSWER : B
Explanation: One-family dwellings are designed for a single household.
,4. Minimum ceiling height for habitable rooms is generally:
A. 6 feet
B. 7 feet
C. 7 feet 6 inches
D. 8 feet
ANSWER : B
Explanation: The IRC requires a minimum of 7 feet for habitable spaces.
5. Which room is considered a habitable space?
A. Bathroom
B. Hallway
C. Bedroom
D. Closet
ANSWER : C
Explanation: Bedrooms are habitable; bathrooms and closets are not.
6. What is the minimum width of a hallway in a dwelling?
A. 30 inches
B. 32 inches
C. 36 inches
D. 42 inches
ANSWER : C
Explanation: IRC requires hallways to be at least 36 inches wide.
7. Emergency escape and rescue openings are required in:
A. Kitchens
B. Bedrooms
C. Garages
D. Bathrooms
ANSWER : B
Explanation: Bedrooms must have emergency escape and rescue openings.
8. The minimum clear opening height for an egress window is:
,A. 20 inches
B. 22 inches
C. 24 inches
D. 30 inches
ANSWER : C
Explanation: IRC requires a minimum of 24 inches in height.
9. The minimum net clear opening area for egress windows above grade is:
A. 4.0 sq ft
B. 5.0 sq ft
C. 5.7 sq ft
D. 6.0 sq ft
ANSWER : C
Explanation: Upper-floor egress windows require 5.7 sq ft.
10. Guardrails are required when a walking surface is more than:
A. 24 inches above grade
B. 30 inches above grade
C. 36 inches above grade
D. 48 inches above grade
ANSWER : B
Explanation: Guards are required when the drop exceeds 30 inches.
11. Minimum guard height for residential decks is:
A. 30 inches
B. 34 inches
C. 36 inches
D. 42 inches
ANSWER : C
Explanation: IRC requires guards to be at least 36 inches high.
12. Stair riser height shall not exceed:
, A. 7 inches
B. 7¾ inches
C. 8 inches
D. 8½ inches
ANSWER : B
Explanation: Maximum riser height is 7¾ inches.
13. Minimum stair tread depth is:
A. 9 inches
B. 9¼ inches
C. 10 inches
D. 11 inches
ANSWER : C
Explanation: IRC minimum tread depth is 10 inches.
14. Handrails are required when a stair has:
A. Two risers
B. Three risers
C. Four or more risers
D. Five risers
ANSWER : C
Explanation: Four or more risers require a handrail.
15. Minimum handrail height is:
A. 30 inches
B. 32 inches
C. 34 inches
D. 36 inches
ANSWER : C
Explanation: Handrails must be between 34–38 inches high.
16. Smoke alarms are required in:
A. Commercial high-rise construction
B. Industrial building systems
C. Residential building codes and practices
D. Electrical engineering principles
ANSWER : C
Explanation: ICC G11 is centered on residential construction and applicable building codes.
2. Which code is most commonly referenced in ICC residential inspections?
A. NEC
B. IRC
C. IBC
D. NFPA 13
ANSWER : B
Explanation: The International Residential Code (IRC) governs one- and two-family
dwellings.
3. A one-family dwelling is defined as:
A. A structure with three units
B. A detached structure for one household
C. Any building under three stories
D. A commercial residence
ANSWER : B
Explanation: One-family dwellings are designed for a single household.
,4. Minimum ceiling height for habitable rooms is generally:
A. 6 feet
B. 7 feet
C. 7 feet 6 inches
D. 8 feet
ANSWER : B
Explanation: The IRC requires a minimum of 7 feet for habitable spaces.
5. Which room is considered a habitable space?
A. Bathroom
B. Hallway
C. Bedroom
D. Closet
ANSWER : C
Explanation: Bedrooms are habitable; bathrooms and closets are not.
6. What is the minimum width of a hallway in a dwelling?
A. 30 inches
B. 32 inches
C. 36 inches
D. 42 inches
ANSWER : C
Explanation: IRC requires hallways to be at least 36 inches wide.
7. Emergency escape and rescue openings are required in:
A. Kitchens
B. Bedrooms
C. Garages
D. Bathrooms
ANSWER : B
Explanation: Bedrooms must have emergency escape and rescue openings.
8. The minimum clear opening height for an egress window is:
,A. 20 inches
B. 22 inches
C. 24 inches
D. 30 inches
ANSWER : C
Explanation: IRC requires a minimum of 24 inches in height.
9. The minimum net clear opening area for egress windows above grade is:
A. 4.0 sq ft
B. 5.0 sq ft
C. 5.7 sq ft
D. 6.0 sq ft
ANSWER : C
Explanation: Upper-floor egress windows require 5.7 sq ft.
10. Guardrails are required when a walking surface is more than:
A. 24 inches above grade
B. 30 inches above grade
C. 36 inches above grade
D. 48 inches above grade
ANSWER : B
Explanation: Guards are required when the drop exceeds 30 inches.
11. Minimum guard height for residential decks is:
A. 30 inches
B. 34 inches
C. 36 inches
D. 42 inches
ANSWER : C
Explanation: IRC requires guards to be at least 36 inches high.
12. Stair riser height shall not exceed:
, A. 7 inches
B. 7¾ inches
C. 8 inches
D. 8½ inches
ANSWER : B
Explanation: Maximum riser height is 7¾ inches.
13. Minimum stair tread depth is:
A. 9 inches
B. 9¼ inches
C. 10 inches
D. 11 inches
ANSWER : C
Explanation: IRC minimum tread depth is 10 inches.
14. Handrails are required when a stair has:
A. Two risers
B. Three risers
C. Four or more risers
D. Five risers
ANSWER : C
Explanation: Four or more risers require a handrail.
15. Minimum handrail height is:
A. 30 inches
B. 32 inches
C. 34 inches
D. 36 inches
ANSWER : C
Explanation: Handrails must be between 34–38 inches high.
16. Smoke alarms are required in:
