Recent questions tagged gatexe-2025

​​​Choose the option(s) that correctly match(es) the $\textbf{Zones}$ with their typical $\textbf{Functions}$ in an industrial extruder$$\begin{array}{|l|l|l|l|} \hline &...

​​​During material testing, stress is applied from time $t_{i}$ to $t_{f}$ as shown below:The corresponding strain responses for three different materials are shown in pl...

​​Which option(s) correctly match(es) the $\textbf{Polymer property}$ with its appropriate $\textbf{Units}$?$$\begin{array}{|l|l|l|l|}\hline & \textbf{Polymer property} &...

​​​​​Which option(s) correctly match(es) the $\textbf{Class of additives}$ used during polymer compounding with the corresponding $\textbf{Chemicals}$?$$\begin{array}{|l|...

​​​In a set of copolymerization reactions, the following monomer reactivity ratios ($\textbf{r 1}$ and $\textbf{r 2}$) were found for different cases.$$\begin{array}{|c|c...

​​The crystallization of a polymer can only proceed in a temperature range limited to glass transition temperature ( $T_{g}$ ) on the lower side, and the equilibrium melt...

The heat of polymerization of ethylene is $25 \mathrm{kcal} / \mathrm{mol}$. The amount of heat generated during the polymerization of $5.6$ $\textsf{kg}$ polyethylene is...

The density of an amorphous polymer is $0.77 \mathrm{~g} \mathrm{~cm}^{-3}$ and that of its crystalline counterpart is $0.99 \mathrm{~g} \mathrm{~cm}^{-3}$. The density o...

Titration was used to determine the molar mass of two linear monodisperse polymers $\text{A}$ and $\text{B}$. Both the polymers possess the same repeat unit and contain a...

A unidirectional composite of a resin is prepared with continuous fibers, wherein the volume fraction of the fiber in the composite is $0.7$. Assume that the resin has a ...

A rubber contains $70 \mathrm{wt} \%$ butadiene (molar mass $=54 \mathrm{~g} / \mathrm{mol})$, $20 \: \mathrm{wt} \%$ isoprene (molar mass $=68 \mathrm{~g} / \mathrm{mol}...

​​​​​Which of the following contains the phytonutrient allicin?GrapeCauliflowerGarlicChilli

​​​​​Which genus of bacteria does $\textsf{NOT}$ have cell wall?LactobacillusStaphylococcusMycoplasmaEscherichia

​​​Which of the following pigment does $\textsf{NOT}$ have pro-vitamin A activity?$\beta$-Carotene$\beta$-CryptoxanthinLycopene$\alpha$-Carotene

​​​Identify the analysis that must be performed FIRST to judge 'cleanliness' of spice/herb powders.Acid-insoluble ash contentPesticide residue levelsVolatile oil contentM...

​​​​If there is a delay in oil extraction after bran is separated from the brown rice, the quality of rice bran oil deteriorates. Identify the suitable $\textsf{CAUSE}$ a...

​​​​​Among the following, which is/are the process(es) that lead to generation of new fats from existing ones?TransesterificationDegummingHydrogenationWinterization

The true density and bulk density of wheat grains are $1280 \mathrm{~kg} / \mathrm{m}^{3}$ and $740 \mathrm{~kg} / \mathrm{m}^{3}$, respectively. The porosity of the grai...

Potato slices weighing $50 \: \mathrm{kg}$ is dried from $60 \%$ moisture content (wet basis) to $5 \%$ moisture content (dry basis). The amount of dried potato slices ob...