Two streams of liquid metal which are not hot enough to fuse properly result into a casting defect known as
Answer: A
Two streams of liquid metal which are not hot enough to fuse properly result into a casting defect known as cold shut. This defect is same as in sand mould casting. The reasons are:-
(i) Cooling of die or loss of plasticity of the metal.
(ii) Shot speed less.
(iii) Air-vent or overflow is closed.