GATE CE 2017 Set 1 — Question 8

MCQ+2 / -0.67EasyIndex PropertiesSoil Phase & Index PropertiesGeotechnical EngineeringQuicksand ConditionSeepage

Geotechnical Engineering → Seepage → Index Properties

Last updated 5 September 2026

Question

Group I lists the type of gain or loss of strength in soils. Group II lists the property or process responsible for the loss or gain of strength in soils. Group I Group II P. Regain of strength with time 1. Boiling Q. Loss of strength due to cyclic loading 2. Liquefaction R. Loss of strength due to upward seepage 3. Thixotropy S. Loss of strength due to remolding 4. Sensitivity The correct match between Group I and Group II is

Group I	Group II
P. Regain of strength with time	1. Boiling
Q. Loss of strength due to cyclic loading	2. Liquefaction
R. Loss of strength due to upward seepage	3. Thixotropy
S. Loss of strength due to remolding	4. Sensitivity

Correct answer (C) P-3, Q-2, R-1, S-4 Solution The correct matches are: P. Regain of strength with time: This is known as Thixotropy (3). It is the property of some soils to regain a part of their lost strength over time at a constant water content. Q. Loss of strength due to cyclic loading: This leads to Liquefaction (2), where saturated soil loses its strength and stiffness in response to an applied stress, such as earthquake shaking. R. Loss of strength due to upward seepage: This causes Boiling (1) or the quicksand condition, where the effective stress becomes zero due to upward seepage pressure. S. Loss of strength due to remolding: This is related to Sensitivity (4), which is the ratio of the unconfined compressive strength of an undisturbed soil to that of the same soil in a remolded state. Turn this into a strength. Explore AI-powered practice and doubt support with Success Tracker.

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Correct answer (C) P-3, Q-2, R-1, S-4 Solution The correct matches are: P. Regain of strength with time: This is known as Thixotropy (3). It is the property of some soils to regain a part of their lost strength over time at a constant water content. Q. Loss of strength due to cyclic loading: This leads to Liquefaction (2), where saturated soil loses its strength and stiffness in response to an applied stress, such as earthquake shaking. R. Loss of strength due to upward seepage: This causes Boiling (1) or the quicksand condition, where the effective stress becomes zero due to upward seepage pressure. S. Loss of strength due to remolding: This is related to Sensitivity (4), which is the ratio of the unconfined compressive strength of an undisturbed soil to that of the same soil in a remolded state.

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