The allowable tensile stress in structural mild steel plates for steel tank is assumed as________________?

A. horizontal shear due to wind or earthquake only
B. horizontal, shear due to wind or earthquake + 2.5% of column loads
C. column loads + 2.5% of horizontal shear due to wind or earthquake
D. column loads + full horizontal shear due to wind or earthquake

A. 650 mm
B. 810 mm
C. 1250 mm
D. 1680 mm

A. 100
B. 120
C. 145
D. 180

A. bearing and shear
B. bending and shear
C. bearing and bending
D. bearing, shear and bending

A. degree of permeability of roof
B. slope of roof
C. both (A) and (B)
D. none of the above

A. is equal to 1
B. is always less than 1
C. is always greater than 1
D. can be less than 1