GATE ME conservationlaws — practice questions
12 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice GATE ME conservationlaws in the app →The CONSERVATION OF MASS equation for an incompressible fluid ($\rho$ = const) is:The Navier-Stokes equations express:In a Newtonian fluid, the viscous stress is proportional to:For an INCOMPRESSIBLE Newtonian fluid with constant μ, the Navier-Stokes equation reduces to:The "substantial derivative" (or material derivative) of a property $\phi$ is:Re-derive the incompressibility condition: starting from $\partial\rho/\partial t + \nabla\cdot(\rho\mathbf{u}Stokes' hypothesis (often invoked in N-S derivation) relates bulk and shear viscosities by:Conservation of THERMAL ENERGY in a flowing fluid involves which key terms?The class of LINEAR SECOND-ORDER PDEs (parabolic, elliptic, hyperbolic) appearing in heat transfer & fluid floThe CONSERVATION OF CHEMICAL SPECIES (mass fraction Y_α of species α) gives:The DEVIATORIC STRESS TENSOR $ igma_{ij}^d$ in N-S is the part:Body force $\mathbf{f}$ in the momentum equation typically represents: