Spark sintering is a kind of hot pressure shaping technique in which – McqOptions

MCQOPTIONS

1.	Spark sintering is a kind of hot pressure shaping technique in which
A.	the arc is produced inside the mould
B.	the electrical heating of metallic powders by the production of spark in a graphite die for a short time under pressure
C.	before passing through the extrusion dies, a constant spark is produced
D.	None of the above is applicable
Answer» C. before passing through the extrusion dies, a constant spark is produced

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