Quick sand is
Choose the correct answer
moist sand containing small particles
a condition that occurs in coarse sand
a condition in which a cohesionless soil loses all its strength because of upward flow of water
None of the above
Correct Answer
C. a condition in which a cohesionless soil loses all its strength because of upward flow of water
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Quicksand is a condition (not a soil type): upward seepage makes effective stress zero, so the cohesionless soil loses shear strength.
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This MCQ belongs to WBPSC AE Previous Years Questions Series. Full tests include timed attempts, rank comparison and subject-wise analysis.