Recent questions tagged gatexe-2023

Consider steady fully-developed incompressible flow of a Newtonian fluid between two infinite parallel flat plates. The plates move in the opposite directions, as shown i...

\begin{tabular}{|c|c|}\hline Q. 32 & \begin{tabular}{l}A two-dimensional incompressible flow field is defined as, \\$\qquad \vec{V}(x, y)=(A x y) \hat{\imath}+\left(B y^{...

\begin{tabular}{l|l}Q. 33 & For a potential flow, the fluid velocity is given by $\vec{V}(x, y)=u \hat{\imath}+v \hat{\jmath}$. The slope \\of the potential line at $(x, ...

\begin{tabular}{|c|c|}\hline Q. 34 & \begin{tabular}{l}Consider steady incompressible flow of a Newtonian fluid over a horizontal flat \\plate, as shown in the figure. Th...

\begin{tabular}{l|l}Q. 35 & In a steady two-dimensional compressible flow, $u$ and $v$ are the $x$ - and $y$ - \\components of flow velocity, respectively and $\rho$ is t...

Q. 36 A water jet (density $=1000 \mathrm{~kg} / \mathrm{m}^{3}$ ) is approaching a vertical plate, having anorifice at the center, as shown in the figure. While a part o...

\begin{tabular}{|l}Q. 37 \\Water $\left(\right.$ density $\left.=1000 \mathrm{~kg} / \mathrm{m}^{3}\right)$ and alcohol (specific gravity $=0.7$ ) enter a \\Y-shaped chan...

Q. 38 The velocity and acceleration of a fluid particle are given as $\vec{V}=(-\hat{\imath}+2 \hat{\jmath}) \mathrm{m} / \mathrm{s}$ and $\vec{a}=(-2 \hat{\imath}-4 \hat...

Q. 39 A hydraulic turbine with rotor diameter of $100 \mathrm{~mm}$ produces $200 \mathrm{~W}$ of power while rotating at $300 \mathrm{rpm}$. Another dynamically-similar ...

Q. 40 Water (density $=1000 \mathrm{~kg} / \mathrm{m}^{3}$ ) flows steadily with a flow rate of $0.05 \mathrm{~m}^{3} / \mathrm{s}$ through a venturimeter having throat d...

\begin{tabular}{|c|c|c|}\hline Q. 41 & \multicolumn{2}{|c|}{\begin{tabular}{l}Water flows around a thin flat plate ( $0.25 \mathrm{~m}$ long, $2 \mathrm{~m}$ wide) with a...

Q. 42 Axial velocity profile $u(r)$ for an axisymmetric flow through a circular tube of radius $R$ is given as,\[\frac{u(r)}{U}=\left(1-\frac{r}{R}\right)^{1 / n}\]where ...

Q. 43 A stationary circular pipe of radius $R=0.5 \mathrm{~m}$ is half filled with water (density =$1000 \mathrm{~kg} / \mathrm{m}^{3}$ ), whereas the upper half is fille...

\begin{tabular}{|l|l|}Q.44 & \begin{tabular}{l}In age-hardening of an aluminium alloy, the purpose of solution treatment \\followed by quenching is to\end{tabular} \\\hli...

\begin{tabular}{|l|l|}\hline Q.48 & \begin{tabular}{l}Aliovalent doping of $M g C l_{2}$ in $\mathrm{NaCl}$ leads to the formation of defects. Which one \\of the followin...

\begin{tabular}{l|l}Q. 49 & \begin{tabular}{l}A screw dislocation in a FCC crystal has Burgers vector of $\frac{a}{2}[110]$, where $a$ is the \\lattice constant. The poss...

\begin{tabular}{c|c}Q. 50 & The tensile true stress $(\sigma)-$ true strain $(\epsilon)$ curve follows the Hollomon equation: \\$\qquad \sigma=500 \epsilon^{0.15} \mathrm...