a) \(\vec{V}.\nabla T\) b) \(\frac{DT}{Dt}\) c) ∇T d) \(\frac{\partial T}{\partial t}\) Answer: a Explanation: \(\vec{V}.\nabla T\) (dot ...

Substantial derivative = _____ + _____ a) Partial derivative, convective derivative b) Local derivative, convective derivative c) Local derivative, ...

a) The property is a function of both time and space b) The property is a ...

a) Time rate of change b) Spatial rate of change c) Time rate of change of a moving point

a) \(\frac{DT}{Dt}=\frac{\partial T}{\partial t}+\nabla T\) b) \(\frac{DT}{Dt}=\frac{\partial T}{\partial t}+\nabla .T\) c) \(\frac{DT}{Dt}=\frac{\partial T}{\partial t}+\vec{V}.\nabla T\) d) \(\frac{DT}{Dt}=\frac{\partial ...

a) Both stationary and moving models b) Only moving models c) Only stationary models d) Neither stationary nor moving models

a) \(\frac{D\rho}{Dt}=\frac{d\rho}{dt}+u \frac{d\rho}{dx}+v\frac{d\rho}{dy}+w\frac{d\rho}{dz}\) b) \(\frac{D\rho}{Dt}=\frac{\partial\rho}{\partial t}+u \frac{d\rho}{dy}+v\frac{d\rho}{dz}+w\frac{d\rho}{dx}\) c) \(\frac{D\rho}{Dt}=\frac{\partial\rho}{\partial t}+u \frac{d\rho}{dy}+v\frac{d\rho}{dz}+w\frac{d\rho}{dx}\) d) \(\frac{D\rho}{Dt}=\frac{\partial \rho}{\partial t}+u\frac{\partial \rho}{\partial x}+v\frac{\partial ...

a) \(\frac{D\vec{V}}{Dt}\) b) \(\frac{d\vec{V}}{dt}\) c) \(\frac{\partial \vec{V}}{\partial t}\) d) \(\frac{D\vec{V}}{Dx}\) Answer: a Explanation: ...

Let, t → Instantaneous time \( \vec{v} \) → Velocity in x-direction \( \vec{x} \) → Instantaneous position

a) pressure field b) velocity field c) temperature field d) density field Answer: b Explanation: Velocity field ...