Recent questions tagged gatexe-2025

A ship is to be operated in a fluid medium with kinematic viscosity $0.032 \times 10^{-3} \mathrm{~m}^{2} / \mathrm{s}$. A one-tenth scale model of the ship is built for ...

Water flows through a pipe of diameter $20 \mathrm{cm}$ at a flow rate of $0.025 \mathrm{~m}^{3} / \mathrm{s}$. A pitotstatic tube is placed at the centre of the pipe and...

An oil of density $870 \mathrm{~kg} / \mathrm{m}^{3}$ and viscosity $0.036 \: \mathrm{Pa.s}$ flows through a straight pipe of $10 \: \mathrm{cm }$ diameter and $1.5 \: \m...

​​​​The figure below shows a plane $\text{PQR}$ in a unit cell. The Miller indices of the plane $\text{PQR}$ is$(432)$$(43 \overline{2})$$(23 \overline{4})$$(\overline{2}...

​​​​​The unit of measurement for magnetic dipole moment of a body is$\mathrm{A} \: \mathrm{m}^{2}$$\mathrm{A} \: \mathrm{m}^{-1}$$\mathrm{Wb} \: \mathrm{m}^{-2}$$\mathrm{...

​​​​$B$ is the magnetic flux density and $T_{c}$ is the critical temperature. The Meissner effect is represented by$\mathrm{B}=0$ at $\mathrm{T} \leq \mathrm{T}_{\mathrm{...

​For $\mathrm{Al}-4.5 \mathrm{wt} \% \mathrm{Cu}$ alloy, the correct sequence of precipitation during age hardening at room temperature isGP zone $\rightarrow \theta^{\pr...

​​​​​There is $\textsf{NO}$ base-centered cubic lattice among the list of $14$ Bravais lattices because of one or more of the following reasonsIt does $\textsf{NOT}$ have...

​For a conventional optical microscope, which of the following options regarding the resolution limit and the depth of field is/are correct?Resolution limit decreases wit...

​​​Which of the following phenomenon/phenomena contribute to intensity loss of electromagnetic radiation during transmission through a medium?Electronic absorptionRayleig...

If solid tin is in equilibrium with its vapor, the degree of freedom is (answer in integer) $\_\_\_\_\_\_$

A $\textsf{GaP-GaAs}$ semiconductor $\textsf{LED}$ display has a band gap of $1.9 \: \mathrm{eV}$. The wavelength of emitted light in $\mu \mathrm{m}$ is (rounded off to ...

In an $\textsf{FCC}$ crystal with lattice parameter $a$, consider the reaction of two leading partial dislocations, $\text{AB}$ and $\text{CD}$, at the line of intersecti...

​​​Match the detector for a scanning electron microscope $\textsf{(SEM)}$ in $\textbf{Column I}$ with the resulting output in $\textbf{Column II}$.$\textsf{SE}$: Secondar...

​​The triple point $\left(T_{l}, P_{l}\right)$ is shown in a schematic phase diagram (pressure $(\mathrm{P})-$ temperature $(\mathrm{T})$ plot) for one component system. ...

The $\textsf{TTT}$ diagram for eutectoid steel is shown below. The steel after complete austenitization at $1073 \: \mathrm{K}$ is rapidly cooled to different temperature...

A diffraction pattern is obtained from a powdered sample of a pure element, which has $\textsf{FCC}$ crystal structure. If $x$ and $y$ are the Bragg angles of the first a...

For a pure element with a $\textsf{BCC}$ crystal structure, the surface energies per unit area of $\{100\}$ and $\{110\}$ free surfaces are $S_{100}$ and $S_{110}$, respe...

On applying $10 \: \mathrm{V}$ across the two ends of a $100 \: \mathrm{cm}$ long copper wire, the average drift velocity (in $\mathrm{cm}\: \mathrm{s}^{-1}$ ) in the wir...

An aluminum transmission line of $7 \: \mathrm{km}$ length is designed to carry $100 \: \mathrm{A}$ current with no more than $2 \: \mathrm{MW}$ power loss. The required ...