ISRO Scientist or Engineer Mechanical May 2017 Question 51

Question 51

What is the Prandtl number for a gas at $$27^\circ C$$ and $$1 \times 10^5$$ Pa, with with kinematic viscosity equal to $$1.8 \times 10^{-5} m^2/s$$, specific heat capacity at constant pressure = 700 J/kg-K and thermal conductivity of 0.02 W/m-K?(Take Gas constant = 300 J/kg-K)

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