Civil Engineering MCQAE Level Civil Engineering
Buckingham Pi theorem states that if a problem has n variables and m fundamental dimensions, the number of independent dimensionless groups is:
Fluid MechanicsFluid Mechanics and HydraulicsHARD
Choose the correct answer
A
n/m
B
n + m
C
n - m
D
m - n
Correct Answer
C. n - m
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The number of independent Pi terms is n - m, provided the chosen repeating variables span the fundamental dimensions.
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