MCQOPTIONS
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MCQOPTIONS
| 1. |
What is the Prandtl number for a gas at 27°C and 1 × 105 Pa, with kinematic viscosity equal to 1.8 × 10-5 m2/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) |
| A. | 0.52 |
| B. | 0.62 |
| C. | 0.7 |
| D. | 0.78 |
| Answer» D. 0.78 | |