1.

Which of the following is true for laminar flow?

A. 10^4 < Gr Pr < 10^7
B. 10^4 < Gr Pr < 10^8
C. 10^4 < Gr Pr < 10^9
D. 10^4 < Gr Pr < 10^10
Answer» D. 10^4 < Gr Pr < 10^10


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