The capillary pressure, transferred from grain to grain in soil may be also called as ____________
(a) Inter granular pressure
(b) Contact pressure
(c) Effective pressure
(d) All of the mentioned
This question was posed to me in my homework.
My question comes from Capillary Tension, Capillary Potential and Soil Suction topic in chapter Soil Water Effective and Neutral Stresses of Geotechnical Engineering I