Amount of plasticity before fracture is known as _______________.
(a) ductility.
(b) deformation.
(c) brittleness.
(d) necking.
2. ________________ shows both modes of fracture, brittle and ductile fracture.
(a) Ceramic
(b) aluminium
(c) Polymer at very low temperature
(d) Polymer at room temperature
(e) Glass