Recent questions tagged gatexe-2022

Consider an inviscid flow through a smooth pipe which has a pitot-static tube arrangement as shown. Find the centre-line velocity in the pipe.Consider that the density of...

The speed of propagation, $c$, of a capillary wave depends on the density of the fluid, $\rho$, the wavelength of the wave, $\lambda$, and the surface tension, $\sigma$. ...

A two-dimensional flow field is described by a combination of a source of strength $m$ at the origin and a uniform flow, $U$, in the positive $x$-direction such that the ...

A typical boundary layer over a flat plate has a linear velocity profile with zero velocity at the wall and freestream velocity, $U_{\infty}$, at the outer edge of the b...

Consider steady fully developed flow of a liquid through two large horizontal flat parallel plates separated by a distance of $2 \mathrm{~mm}$. One of the plate is fixed ...

Identify the configuration(s) in which steady two-dimensional internal flow may show boundary layer separation if the flow direction is left to right.

Consider two-dimensional turbulent flow of air over a horizontal flat plate of length $1 \mathrm{~m}$. Skin friction coefficient at a length $x$ from the leading edge of...

For an inviscid fluid with density } 1 \mathrm{~kg} / \mathrm{m}^{3}, \text { the Cartesian velocity field is given as:$\mathbf{u}=(-2 x+y) t \mathbf{i}+(2 x+y) t \mathbf...

A wooden cylinder $\text{(specific gravity} $=0.6$)$ of length $L$ and diameter $D$ floats in water $\text{(density}$ $1000 \mathrm{~kg} / \mathrm{m}^3)$. Find out the mi...

Consider a lawn sprinkler with horizontal arms of radius, $a=10 \mathrm{~cm}$ which has water introduced vertically through the centre, as shown in the figure. The exit a...

A wooden cylinder $\text{(specific gravity}$ $=0.6$ ) of length $L$ and diameter $D$ floats in water $\text{(density}$ $1000 \mathrm{~kg} / \mathrm{m}^3$). Find out the m...

\begin{tabular}{|l|l|}\hline Q.44 & Number of atoms per unit area of the (110) plane of a body centered cubic crystal, \\with lattice parameter ' $a$ ', is \\\hline& $\fr...

Q.45 Match the following materials with their corresponding bonding types.$\mathrm{P}-4 ; \mathrm{Q}-2 ; \mathrm{R}-3 ; \mathrm{S}-1$$\mathrm{P}-3 ; \mathrm{Q}-4 ; \mathr...

Which one of the following statements is true for an intrinsic semiconductor?Electrical conductivity increases with increasing temperature and pressureElectrical conducti...

In an ideal rubber, the primary factor responsible for elasticity up to small strains isChange in both enthalpy and entropyChange in enthalpy, but no change in the entrop...

A differential scanning calorimetry $\text{(DSC)}$ experiment tracks the heat flow into or out of a system as a function of temperature. If the experiments given in the o...

Which one of the following solvent environments will likely result in swelling of solid polystyrene? $0.1 \mathrm{M} \mathrm{NaOH}$ in $\mathrm{H}_{2} \mathrm{O}$$\mathr...

Vickers microhardness $\text{(HV)}$ of a ductile material $\text{A}$ is higher than another ductile material $\text{B}$. Which of the following is/are true? Young's modul...