Heat Transfer Questions

Q.  Why is the Buckingham π–Theorem used?

a. to determine number of dependent dimensionless groups which are necessary to represent the phenomenon in a mathematical expression
b. to determine number of independent dimensionless groups which are necessary to represent the phenomenon in a mathematical expression
c. to determine number of dependent groups with their dimensions which are necessary to represent the phenomenon in a mathematical expression
d. to determine number of independent groups with their dimensions which are necessary to represent the phenomenon in a mathematical expression


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