Q. Which of the following statement is wrong ?

• (A) When the unsupported lengths of the columns are reduced by providing intermediate supports, then the smaller sections may be used at a higher average stress
• (B) In a rolled steel I-section, the radius of gyration about Y-axis is much more than the radius about X-axis
• (C) When a column is subjected to different bending moments in two directions, the greater of gyration value of the radius of gyration should be kept in the direction of greater moment
• (D) all of the above