ICC B2 COMMERCIAL BUILDING INSPECTOR CERTIFICATION | INTERNATIONAL
CODE COUNCIL EXAM READY - VERIFIED QUESTIONS AND ANSWERS -
COMPREHENSIVE LATEST VERSION 2026/2027 (PASS GUARANTEE)
International Building Code (IBC)
Q1. What is the minimum clear width of a corridor in a Group B occupancy
with an occupant load of 50 or more? A1. 44 inches (IBC 1005.1)
Q2. What is the minimum headroom clearance required for stairways? A2. 80
inches (IBC 1009.2)
Q3. What is the maximum riser height for stairs in a commercial building? A3.
7 inches (IBC 1011.5.2)
Q4. What is the minimum tread depth for stairs? A4. 11 inches (IBC 1011.5.2)
Q5. What is the maximum variation permitted between adjacent riser heights?
A5. 3/8 inch (IBC 1011.5.4)
Q6. How many exits are required for a room with an occupant load of 500? A6.
3 exits (IBC 1006.2.1)
Q7. What is the minimum width of an exit access doorway? A7. 32 inches (IBC
1010.1.1)
Q8. What is the minimum width of an exit stairway? A8. 44 inches (IBC 1009.3)
Q9. What is the maximum common path of travel for a Group B occupancy?
A9. 100 feet (IBC 1006.2.3)
Q10. What is the minimum number of exits required for a story with 501-1,000
occupants? A10. 3 exits (IBC 1006.2.1)
Q11. What is the minimum width of a means of egress component for an
occupant load of 200? A11. 40 inches (IBC 1005.1)
,Q12. At what occupant load is a second exit required from a space? A12. 50
occupants (IBC 1006.2.1)
Q13. What is the maximum travel distance to an exit in a sprinklered Group B
occupancy? A13. 300 feet (IBC 1014.3)
Q14. What is the minimum landing depth at the top of a stairway? A14. Equal
to the width of the stairway (IBC 1011.6)
Q15. What is the maximum slope permitted for a ramp serving as a means of
egress? A15. 1:12 (IBC 1012.2)
Q16. What is the minimum width of a ramp? A16. 36 inches (IBC 1012.2)
Q17. What is the minimum number of handrails required on a stairway? A17. 1
handrail (IBC 1011.11)
Q18. What is the required height of handrails above stair nosings? A18. 34 to
38 inches (IBC 1011.2)
Q19. What is the maximum projection of handrails into the required stair
width? A19. 4.5 inches (IBC 1011.8)
Q20. What is the minimum width of an exit passageway? A20. 44 inches (IBC
1023.2)
Q21. What is the maximum distance between intermediate handrail supports?
A21. Not specified; handrails must be continuous (IBC 1011.4)
Q22. What is the minimum width of an exit discharge? A22. Equal to the width
of the exit it serves (IBC 1027.1)
Q23. What is the minimum headroom in an exit passageway? A23. 80 inches
(IBC 1023.2)
Q24. What is the maximum length of a dead-end corridor in a sprinklered
building? A24. 50 feet (IBC 1020.4)
Q25. What is the maximum length of a dead-end corridor in a non-sprinklered
building? A25. 20 feet (IBC 1020.4)
Q26. What is the minimum width of an aisle in an assembly seating area? A26.
36 inches (IBC 1028.9)
Q27. What is the minimum width of an aisle serving 50 or more seats in
assembly? A27. 48 inches (IBC 1028.9)
, Q28. What is the maximum slope for an aisle in an assembly area? A28. 1:8
(IBC 1028.10)
Q29. What is the minimum number of exits required for an assembly
occupancy with 1,001-2,000 occupants? A29. 4 exits (IBC 1006.2.1)
Q30. What is the minimum clear width of a door in an accessible route? A30.
32 inches (IBC 1010.1.1)
Q31. What is the maximum force required to open an interior swinging door?
A31. 5 pounds (IBC 1010.1.3)
Q32. What is the minimum dimension of a landing at the bottom of an exterior
stairway? A32. 36 inches in the direction of travel (IBC 1011.6)
Q33. What is the minimum width of a corridor in a Group I-2 occupancy? A33.
96 inches (IBC 1005.1)
Q34. What is the maximum travel distance in a non-sprinklered Group M
occupancy? A34. 200 feet (IBC 1014.3)
Q35. What is the minimum width of an exit access corridor in a Group E
occupancy? A35. 72 inches (IBC 1005.1)
Q36. What is the required width of a means of egress per occupant for stairs?
A36. 0.3 inches per occupant (IBC 1005.3.1)
Q37. What is the required width of a means of egress per occupant for level
components? A37. 0.2 inches per occupant (IBC 1005.3.1)
Q38. What is the minimum number of exits required for a basement with an
occupant load of 30? A38. 2 exits (IBC 1006.2.1)
Q39. What is the maximum common path of travel in a Group H occupancy?
A39. 25 feet (IBC 1006.2.3)
Q40. What is the minimum width of an exit access stairway? A40. 44 inches
(IBC 1009.3)
Q41. What is the maximum number of risers permitted in a single flight of
stairs without an intermediate landing? A41. 12 risers (IBC 1011.6)
Q42. What is the minimum depth of a landing in the direction of travel at a
door? A42. 44 inches (IBC 1010.1.5)
CODE COUNCIL EXAM READY - VERIFIED QUESTIONS AND ANSWERS -
COMPREHENSIVE LATEST VERSION 2026/2027 (PASS GUARANTEE)
International Building Code (IBC)
Q1. What is the minimum clear width of a corridor in a Group B occupancy
with an occupant load of 50 or more? A1. 44 inches (IBC 1005.1)
Q2. What is the minimum headroom clearance required for stairways? A2. 80
inches (IBC 1009.2)
Q3. What is the maximum riser height for stairs in a commercial building? A3.
7 inches (IBC 1011.5.2)
Q4. What is the minimum tread depth for stairs? A4. 11 inches (IBC 1011.5.2)
Q5. What is the maximum variation permitted between adjacent riser heights?
A5. 3/8 inch (IBC 1011.5.4)
Q6. How many exits are required for a room with an occupant load of 500? A6.
3 exits (IBC 1006.2.1)
Q7. What is the minimum width of an exit access doorway? A7. 32 inches (IBC
1010.1.1)
Q8. What is the minimum width of an exit stairway? A8. 44 inches (IBC 1009.3)
Q9. What is the maximum common path of travel for a Group B occupancy?
A9. 100 feet (IBC 1006.2.3)
Q10. What is the minimum number of exits required for a story with 501-1,000
occupants? A10. 3 exits (IBC 1006.2.1)
Q11. What is the minimum width of a means of egress component for an
occupant load of 200? A11. 40 inches (IBC 1005.1)
,Q12. At what occupant load is a second exit required from a space? A12. 50
occupants (IBC 1006.2.1)
Q13. What is the maximum travel distance to an exit in a sprinklered Group B
occupancy? A13. 300 feet (IBC 1014.3)
Q14. What is the minimum landing depth at the top of a stairway? A14. Equal
to the width of the stairway (IBC 1011.6)
Q15. What is the maximum slope permitted for a ramp serving as a means of
egress? A15. 1:12 (IBC 1012.2)
Q16. What is the minimum width of a ramp? A16. 36 inches (IBC 1012.2)
Q17. What is the minimum number of handrails required on a stairway? A17. 1
handrail (IBC 1011.11)
Q18. What is the required height of handrails above stair nosings? A18. 34 to
38 inches (IBC 1011.2)
Q19. What is the maximum projection of handrails into the required stair
width? A19. 4.5 inches (IBC 1011.8)
Q20. What is the minimum width of an exit passageway? A20. 44 inches (IBC
1023.2)
Q21. What is the maximum distance between intermediate handrail supports?
A21. Not specified; handrails must be continuous (IBC 1011.4)
Q22. What is the minimum width of an exit discharge? A22. Equal to the width
of the exit it serves (IBC 1027.1)
Q23. What is the minimum headroom in an exit passageway? A23. 80 inches
(IBC 1023.2)
Q24. What is the maximum length of a dead-end corridor in a sprinklered
building? A24. 50 feet (IBC 1020.4)
Q25. What is the maximum length of a dead-end corridor in a non-sprinklered
building? A25. 20 feet (IBC 1020.4)
Q26. What is the minimum width of an aisle in an assembly seating area? A26.
36 inches (IBC 1028.9)
Q27. What is the minimum width of an aisle serving 50 or more seats in
assembly? A27. 48 inches (IBC 1028.9)
, Q28. What is the maximum slope for an aisle in an assembly area? A28. 1:8
(IBC 1028.10)
Q29. What is the minimum number of exits required for an assembly
occupancy with 1,001-2,000 occupants? A29. 4 exits (IBC 1006.2.1)
Q30. What is the minimum clear width of a door in an accessible route? A30.
32 inches (IBC 1010.1.1)
Q31. What is the maximum force required to open an interior swinging door?
A31. 5 pounds (IBC 1010.1.3)
Q32. What is the minimum dimension of a landing at the bottom of an exterior
stairway? A32. 36 inches in the direction of travel (IBC 1011.6)
Q33. What is the minimum width of a corridor in a Group I-2 occupancy? A33.
96 inches (IBC 1005.1)
Q34. What is the maximum travel distance in a non-sprinklered Group M
occupancy? A34. 200 feet (IBC 1014.3)
Q35. What is the minimum width of an exit access corridor in a Group E
occupancy? A35. 72 inches (IBC 1005.1)
Q36. What is the required width of a means of egress per occupant for stairs?
A36. 0.3 inches per occupant (IBC 1005.3.1)
Q37. What is the required width of a means of egress per occupant for level
components? A37. 0.2 inches per occupant (IBC 1005.3.1)
Q38. What is the minimum number of exits required for a basement with an
occupant load of 30? A38. 2 exits (IBC 1006.2.1)
Q39. What is the maximum common path of travel in a Group H occupancy?
A39. 25 feet (IBC 1006.2.3)
Q40. What is the minimum width of an exit access stairway? A40. 44 inches
(IBC 1009.3)
Q41. What is the maximum number of risers permitted in a single flight of
stairs without an intermediate landing? A41. 12 risers (IBC 1011.6)
Q42. What is the minimum depth of a landing in the direction of travel at a
door? A42. 44 inches (IBC 1010.1.5)
