to decrease it

to increase it

either to decrease or to increase it

to keep it unchanged

(i) and (ii)

(ii) and (iii)

only (iii)

All (i), (ii) and (iii)

deflect downward

deflect upward

deflect downward or upward

none of the above

compressive and tensile

tensile and compressive

both compressive

both tensile

bending moment and shear

bending moment and torsion

shear and torsion

bending moment, shear and torsion