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)
A. (i) dead load 1.7 B. (ii) dead load + imposed load 1.7 C. (iii) dead load + load due to wind or 1.3 seismic forces D. (iv) dead load + imposed load + load 1.7
A. Equilibrium and mechanism conditions B. Equilibrium and plastic moment conditions C. Mechanism and plastic moment conditions D. Equilibrium condition only
A. Only on the ultimate stress of the material B. Only on the yield stress of the material C. Only on the geometry of the section D. Both on the yield stress and ultimate stress of material
A. Lower and upper bounds respectively on the strength of structure B. Upper and lower bounds respectively on the strength of structure C. Lower bound on the strength of structure D. Upper bound on the strength of structure