? Porosity calculation: The dry weight of a silicon carbide ceramic sample is 360 g, the suspended (in water) weight is 224 g and the wet weight is 385 g. The specific gravity of SiC is 3.2 g/cm³. Calculate the following: (i) Apparent porosity, (ii) Bulk density, (iii) The Total porosity, (iv) Fraction of closed pores volume over the total pores.