According to IS 800–2007, how many buckling classes are classified?
- A3
- B4Correct
- C5
- D6
Solution
Concept
Column buckling classes (IS 800 Table 10)
Step-by-step solution
1. IS 800:2007 gives four buckling classes: a, b, c and d.
Explanation
The class depends on the section shape, axis and fabrication.
Why the other options are wrong
3, 5 and 6 are not the number of classes.
Shortcut
a, b, c, d.
Common mistake
Choosing 3.
Correct answer: B) 4