1.

What percentage of powered ferrosilicon is mixed with sodium silicate bonded sand in Nishiyama process?(a) 1%(b) 2%(c) 3%(d) 4%I had been asked this question in quiz.My question is taken from Types of Cores in division Core and Core Making of Casting-Forming-Welding I

Answer»

Correct ANSWER is (B) 2%

For explanation: In Nishiyama PROCESS, 2% of finely powered FERROSILICON is made to mix with SODIUM silicon bonded sand to ensure that hardening occurs.



Discussion

No Comment Found

Related InterviewSolutions