The pressure deficiency of held water in a capillary tube is termed as ____________
(a) Soil suction and suction pressure
(b) Negative pressure
(c) None of the mentioned
(d) All of the mentioned
The question was asked in an internship interview.
My enquiry is from Capillary Tension, Capillary Potential and Soil Suction in portion Soil Water Effective and Neutral Stresses of Geotechnical Engineering I