ICC IRC G11 RESIDENTIAL BUILDING CODE VERIFIED EXAM SOLUTIONS - COMPREHENSIVE QUESTIONS AND ANSWERS - CURRENT VERSION

1. What is the minimum ceiling height required for habitable spaces?
• A) 6 feet 8 inches
• B) 7 feet
• C) 7 feet 6 inches
• D) 8 feet
• ANSWER : B) 7 feet
2. What is the minimum width required for hallways?
• A) 30 inches
• B) 32 inches
• C) 36 inches
• D) 42 inches
• ANSWER : C) 36 inches
3. Bathrooms shall have a minimum ceiling height of:
• A) 6 feet 4 inches
• B) 6 feet 8 inches
• C) 7 feet
• D) 7 feet 6 inches
• ANSWER : C) 7 feet
4. What is the minimum room area required for a bedroom?
• A) 50 square feet
• B) 70 square feet
• C) 80 square feet

, • D) 100 square feet
• ANSWER : B) 70 square feet
5. The minimum horizontal dimension of a bedroom is:
• A) 6 feet
• B) 7 feet
• C) 8 feet
• D) 10 feet
• ANSWER : B) 7 feet
6. Glazing (windows) must be what percentage of floor area in habitable
rooms?
• A) 6%
• B) 8%
• C) 10%
• D) 12%
• ANSWER : B) 8%
7. Natural ventilation opening must be what percentage of floor area?
• A) 2%
• B) 4%
• C) 6%
• D) 8%
• ANSWER : B) 4%
8. Every sleeping room below the fourth story must have at least one
operable emergency escape window with a minimum net clear opening of:
• A) 4.5 square feet
• B) 5.0 square feet
• C) 5.7 square feet
• D) 6.0 square feet
• ANSWER : C) 5.7 square feet

,9. The minimum net clear opening height for emergency escape windows is:
• A) 20 inches
• B) 22 inches
• C) 24 inches
• D) 26 inches
• ANSWER : C) 24 inches
10. The minimum net clear opening width for emergency escape windows
is:
• A) 18 inches
• B) 20 inches
• C) 22 inches
• D) 24 inches
• ANSWER : B) 20 inches
11. Emergency escape window sill height shall not be more than:
• A) 36 inches
• B) 42 inches
• C) 44 inches
• D) 48 inches
• ANSWER : C) 44 inches
12. Minimum width for stairways is:
• A) 32 inches
• B) 34 inches
• C) 36 inches
• D) 42 inches
• ANSWER : C) 36 inches
13. Maximum riser height for stairs is:
• A) 7 inches
• B) 7-3/4 inches

, • C) 8 inches
• D) 8-1/4 inches
• ANSWER : B) 7-3/4 inches
14. Minimum tread depth for stairs is:
• A) 9 inches
• B) 10 inches
• C) 11 inches
• D) 12 inches
• ANSWER : B) 10 inches
15. Maximum variation between largest and smallest riser or tread is:
• A) 1/8 inch
• B) 1/4 inch
• C) 3/8 inch
• D) 1/2 inch
• ANSWER : C) 3/8 inch
16. Minimum headroom for stairways is:
• A) 6 feet 4 inches
• B) 6 feet 6 inches
• C) 6 feet 8 inches
• D) 7 feet
• ANSWER : C) 6 feet 8 inches
17. Handrails are required on at least one side when stairs have:
• A) 2 or more risers
• B) 3 or more risers
• C) 4 or more risers
• D) 5 or more risers
• ANSWER : C) 4 or more risers