For a compression member with double angle section, which of the following section will give larger value of minimum radius of gyration?

For a compression member with double angle section, which of the following section will give larger value of minimum radius of gyration?

A. equal angles back to back
B. unqual legged angles with long legs back to back
C. unequal legged angles with short legs back to back
D. both (B) or (C)

The moment of inertia of the pair of vertical stiffeners about the center line of the web should not be less than__________________?

The moment of inertia of the pair of vertical stiffeners about the center line of the web should not be less than__________________?

A. 1.5dV/C
B. 1.5d¥/C
C. 1.5d¥/C2
D. 1.5dY/C3
where, ‘t’ is the minimum required thick-ness of the web and ‘C is the maximum permitted clear distance between vertical stiffener for thickness ‘t’

As per IS:800, in the plastic design, which of the following pairs are correctly matched? Working Loads Load factor________________?

As per IS:800, in the plastic design, which of the following pairs are correctly matched? Working Loads Load factor________________?

(i) Dead load 1.7
(ii) Dead Load + imposed load 1.7
(iii) Dead load + load due to wind or 1.3 seismic forces
(iv) Dead load + imposed load + load 1.7

due to wind or seismic forces Of these statements
A. (i) and (ii) are correct
B. (i), (ii) and (iii) are correct
C. (ii) and (iii) are correct
D. only (i) is correct