Which of the following statements is/are INCORRECT?
- As the depth of the ground water table from the ground surface increases, the effective stress in the soil decreases.
- Bulking of the moist sand is due to the capillary action in the sand.
- The effective stress in a liquified soil is almost zero.
- The earth pressure at any point in the soil, under all conditions, is always smaller than the vertical effective stress at that point.