

MCQOPTIONS
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1. |
Linear momentum equation for steady flow with fixed control volume is given by [Where, V : Velocity vector, \(\hat n\): outward normal unit vector of area dA, F = forces on control volume]: |
A. | \(\sum F = \mathop \smallint \nolimits_{cs} \rho V(V.\hat n)\;dA\) |
B. | \(\sum F = \mathop \smallint \nolimits_{cs} \rho V(V \times \hat n)dA\) |
C. | \(\sum F = \mathop \smallint \nolimits_{cs} \rho \left( {V \times V} \right) \cdot \hat ndA\) |
D. | \(\sum F = \mathop \smallint \nolimits_{cs} \rho (V \cdot \hat n)dA\) |
Answer» B. \(\sum F = \mathop \smallint \nolimits_{cs} \rho V(V \times \hat n)dA\) | |