What is the dry tensile strength of core sand mixture for general purpose?
A. 15 kg/cm2
B. 16 kg/cm2
C. 17 kg/cm2
D. 18 kg/cm2
Answer:C
What is the dry tensile strength of core sand mixture for general purpose?
A. 15 kg/cm2 B. 16 kg/cm2 C. 17 kg/cm2 D. 18 kg/cm2