Recent questions tagged gatexe-2024

A thin film of an incompressible, Newtonian liquid $\text{(density $\rho$, viscosity $\mu$)}$ with an uniform thickness $(h)$ is flowing down on a vertical plate. The flo...

A set of basic dimensions, mass, length, and time are represented by $\mathrm{M}, \mathrm{L}$, and $\text{T}$, respectively. What will be the dimensions of pressure in $\...

A one-eighth scale model of a car is to be tested in a wind tunnel. If the air velocity over the car is $16 \mathrm{~m} / \mathrm{s}$, what should be the air velocity $\t...

Consider a fluid flow around an airfoil as shown in figure.The directions of drag force and lift force, respectively are alongOA and OC.OA and OD.OB and OC .OB and OD .

A vessel which contains a volatile liquid and its vapour is connected with a mercury manometer as shown in figure. Both the liquid and vapour phases are at equilibrium. T...

The velocity in a one-dimensional flow is given by $u(x)=\frac{a}{(b-x)^{2}} \mathrm{~m} / \mathrm{s}$, where $a=8 \mathrm{~m}^{3} / \mathrm{s}$ and $b=4 \mathrm{~m}$. Th...

A circular water jet of diameter $50$ mm impinges with a velocity of $18 \mathrm{~m} / \mathrm{s}$ normal to a plate. The density of water is $1000 \mathrm{~kg} / \mathrm...

Consider two parallel plates separated by a distance of $1$ cm filled with a Newtonian fluid of viscosity $10^{-3} \mathrm{~Pa}$.s. The top plate is moving with a velocit...

Consider the steady, incompressible flow of water in a horizontal pipe of constant diameter $1$ m with an inlet velocity of $12 \mathrm{~m} / \mathrm{s}$.As shown in figu...

The axial velocity profile of a laminar, incompressible and fully-developed flow in a circular pipe of radius $(R)$ is given as $u_{z}=-\frac{1}{4 \mu} \frac{\partial p}{...

Consider the incompressible, steady and irrotational flow through a concentric reducer in a horizontal pipeline. The pipe diameter reduces from $d_{1}=12 \mathrm{~cm}$ to...

The velocity potential function in a two-dimensional flow field is given by $\phi(x, y)=-\left(a x y+b x^{2}-b y^{2}\right) \mathrm{m}^{2} / \mathrm{s}$ where $\mathrm{a}...

Consider the incompressible fluid flow over a flat plate with a free stream velocity, $U_{\infty}=1 \mathrm{~m} / \mathrm{s}$. The fluid kinematic viscosity is $10^{-6} \...

The correct combination of phases in the one-component $\mathrm{H}_{2} \mathrm{O}$ phase diagram, as given below, is $\alpha$-water; $\beta$-vapour; $\gamma$-ice$\alpha-$...

Mechanical behaviour of a crystalline ceramic material is best described asductilebrittleviscoelasticViscoplastic

In ball milling of ceramic powder, selection of grinding media depends on the __________ difference between grinding media and powder particles.thermal conductivitydielec...

Differential scanning calorimetry involves measurement ofweight changeentropyheatvapour pressure

Which one of the following unit cell parameters represents a tetragonal crystal system?$\mathrm{a}=\mathrm{b}=\mathrm{c} ; \quad \alpha=\beta=\gamma \neq 90^{\circ}$$\mat...

Which of the following is/are responsible for pitting corrosion in a metal?Rough surfaceGrain boundariesPolished surfacePolymer coated metal surface

Which of the following types of materials exhibit(s) positive magnetic susceptibility?ParamagneticDiamagneticFerrimagneticFerromagnetic