Civil Engineering MCQJE Level Civil Engineering
Darcy friction factor f = 0.02, L = 100 m, D = 0.2 m, V = 2 m/s. Friction head loss is about:
Fluid MechanicsFluid Mechanics and HydraulicsHARD
Choose the correct answer
A
10.2 m
B
2.04 m
C
5.1 m
D
20.4 m
Correct Answer
A. 10.2 m
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hf = f(L/D)(V^2/2g) = 0.02 x 500 x 4/19.62 = 10.2 m.
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This MCQ belongs to SSC JE Civil Paper-I Technical Mock Test Series. Full tests include timed attempts, rank comparison and subject-wise analysis.