maximum at the outer surface and minimum at the inner surface

maximum at the inner surface and minimum at the outer surface

maximum at the outer surface and zero at the inner surface

maximum at the inner surface and zero at the outer surface

equal to

less than

greater than

none of the above

direct stress only

bending stress only

shear stress only

direct and bending stress both

one-half

one-third

one-fourth

one-eighth

d/4

d/8

d/12

d/16