1.

Air is flowing over a hot plate at a temperature of 120 °C. If at a point Reynold number is increased by 4 times and Nusselt number is increased by 2 times, then the new value of Prandtl number will be:

A. 2 times
B. 4/9 times
C. 1/2 times
D. same
Answer» E.


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