Crushing strength should be greater than ___________ for a good structural stone.
(a) 10 kg per cm^2
(b) 100 kg per cm^2
(c) 1000 kg per cm^2
(d) 10,000 kg per cm^2
I got this question by my school principal while I was bunking the class.
This question is from Stones in section Air Conditioning, Thermal Insulation, Stones & Ferrous Metals of Construction & Building Materials