MCQOPTIONS
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MCQOPTIONS
| 1. |
Express the 2-dimensional continuity equation in cylindrical coordinates. |
| A. | ( frac{ partial( rho v_r)}{ partial r}+ frac{1}{r} frac{ partial( rho v_ theta)}{ partial theta}+ frac{ rho v_r}{r}=0 ) |
| B. | ( frac{ partial( rho v_r)}{ partial r}+ frac{1}{r} frac{ partial( rho v_ theta)}{ partial theta}+ rho frac{v_r}{r}+ frac{ partial rho}{ partial t}=0 ) |
| C. | ( frac{ partial( rho v_r)}{ partial r}+ frac{1}{r} frac{ partial( rho v_ theta)}{ partial theta}+ frac{ partial rho}{ partial t}=0 ) |
| D. | ( frac{ partial( rho v_r)}{ partial r}+ frac{1}{r} frac{ partial( rho v_ theta)}{ partial theta}+ rho frac{v_r}{r}+ frac{ partial rho}{ partial t}=0 ) |
| Answer» C. ( frac{ partial( rho v_r)}{ partial r}+ frac{1}{r} frac{ partial( rho v_ theta)}{ partial theta}+ frac{ partial rho}{ partial t}=0 ) | |