engineering recuitment NCL Assistant Foreman (Trainee) Mock Test 2024 Fluid Mechanics Fluid Kinematics
निम्न में से कौन सी अभिव्यक्ति स्थिर असम्पीड्य प्रवाह के मामले में सांतत्य समीकरण दर्शाती है?
1
\(\frac{{\partial u}}{{\partial x}} + \frac{{\partial v}}{{\partial y}} + \frac{{\partial w}}{{\partial z}} = 0\)
2
\(\frac{{\partial u}}{{\partial x}} + \frac{{\partial \rho }}{{\partial y}} + \frac{{\partial \rho }}{{\partial z}} = 0\)
3
\(\frac{{\partial u}}{{\partial x}} - \frac{{\partial v}}{{\partial y}} - \frac{{\partial w}}{{\partial z}} = 0\)
4
इनमें से कोई नहीं