Civil Engineering MCQAE Level Civil Engineering
If time required for 50% consolidation of a remolded clay sample with single drainage is 1 minute, the time for same degree of consolidation with double drainage is
Soil MechanicsSoil MechanicsMEDIUM
Choose the correct answer
A
1/4 minute
B
1/2 minute
C
2 minutes
D
4 minutes
Correct Answer
A. 1/4 minute
Why is this the answer?
Time factor relation gives t proportional to drainage path squared; double drainage halves the drainage path, so time becomes one-fourth
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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.