1.

What is the dry compression strength of core sand mixture for general purpose?

A. 50 kg/cm<sup>2</sup>
B. 60 kg/cm<sup>2</sup>
C. 70 kg/cm<sup>2</sup>
D. 80 kg/cm<sup>2</sup>
Answer» D. 80 kg/cm<sup>2</sup>


Discussion

No Comment Found