Civil Engineering MCQAE Level Civil Engineering
The mean velocity of flow of air in a ventilating duct of 1 m diameter is 33 m/s. The corresponding Reynolds number is (kinematic viscosity of air = 0.165 cm²/s)
Fluid MechanicsFluid MechanicsMEDIUM
Choose the correct answer
A
2×10⁴
B
2×10⁶
C
2×10⁵
D
2×10³
Correct Answer
C. 2×10⁵
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Reynolds number with given data is nearest 2 x 10^5.
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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.