Civil Engineering MCQAE Level Civil Engineering
Lacey's silt factor is written as
Irrigation EngineeringIrrigation EngineeringMEDIUM
Choose the correct answer
A
f = 1.75 (d_m)^(1/2)
B
f = 0.01 (d_mm)^(2/3)
C
f = 4.75 (d_mm)^(1/6)
D
f = 1.76 (d_mm)^(1/2)
Correct Answer
D. f = 1.76 (d_mm)^(1/2)
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Lacey's silt factor f = 1.76 √(d_mm), where d_mm is the mean particle size in mm.
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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.