Recent questions tagged gatexe-2024

In thermogravimetric analysis (TGA), weight change of a material sample during decomposition with temperature is shown in the figure below.$\mathrm{W}_{\mathrm{i}}$ and $...

The work done by a body expanding from an initial state $\text{A}$ to the final state $\text{B}$, as shown in the $\text{P-V}$ diagram below, is $\text{(in units of litre...

A binary phase diagram is given below.Which one of the following figures qualitatively represents the $\text{G-X}$ $\text{(Gibbs free energy - composition)}$ plot at temp...

Which one of the following figures corresponds to the density of states $g(E)$ of a typical intrinsic semiconductor? $\text{(E represents the energy level of a charge car...

Which one of the following curves best represents the $E$ vs. $f(E)$ behavior of the hot end of a metal rod demonstrating Seebeck Effect? $\text{$( f(E)$ is the probabili...

The Miller indices for the shaded plane shown in the unit cell below is $[632]$$[123]$$(632)$$(123)$

In a typical light emitting diode (LED), which of the following type(s) of materials is/are used?Indirect bandgap semiconductor with transition metal impuritiesDirect ban...

Which of the following options is/are true for glass transition temperature $\mathrm{T}_{\mathrm{g}}$ ?Above $\mathrm{T}_{\mathrm{g}}$, glass transforms from an amorphous...

Which of the following figures schematically represent(s) either the Frenkel defect or the Schotky defect in ionic solids?

Given that k is the first order reaction rate constant and T is the temperature in absolute scale, the temperature dependence of rate constant is/are represented by.

For chemical vapour deposition $\text{(CVD)}$ process, which of the following statements is/are correct?Target material is stripped off by the bombardment of positive ion...

A $2$ mm thick palladium sheet of $1000 \mathrm{~mm}^{2}$ cross section is used as a diffusional membrane to purify hydrogen. The hydrogen concentration is maintained at ...

At room temperature, the electrical conductivity and electron mobility for aluminium are $3.8 \times 10^{7}(\Omega \mathrm{m})^{-1}$ and $0.0012 \mathrm{~m}^{2}(\mathrm{~...

In X-ray powder diffraction pattern obtained from a face centered cubic $\text{(FCC)}$ metal, the first five reflections are at $\theta=21.65^{\circ}, 25.21^{\circ}, 37.0...

Consider a unidirectionally aligned continuous glass fibre reinforced epoxy composite with $40$ vol. $\%$ reinforcement. The elastic modulus of the composite along the fi...

The engineering stress $(\sigma)$ vs. engineering strain $(\varepsilon)$ curve obtained by conducting uniaxial tension test on a steel specimen is shown in the figure $\t...

An $\text{L}$-shaped rigid member is fixed at the midpoint of a simply-supported beam, as shown in figure $\text{(i)}$. The member is subjected to a vertically downward f...

A block of weight $W$, placed on a surface, is subjected to a horizontal force $P$ as shown in the figure. The line of action of force $P$ passes through the center-ofgra...

A mass $M$ is hung from a frictionless, massless pulley. The pulley is suspended by using an inextensible, massless rope of which one end is directly fixed to a support, ...

A simply-supported beam of rectangular cross-section $\text{(width $w$ and height $h$)}$ is subjected to the loads as shown in the figure $\text{(i)}$. The enlarged view ...