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