Which one of the following factor does not affect soil suction?
(a) Water content
(b) Temperature
(c) Plasticity index of a soil
(d) Atmospheric pressure
This question was addressed to me during an online interview.
My question is taken from Capillary Tension, Capillary Potential and Soil Suction in section Soil Water Effective and Neutral Stresses of Geotechnical Engineering I