Recent questions in Polymer Processing

Which one of the following polymer processing techniques involves shaping a heated sheet?ThermoformingInjection moldingBlow moldingExtrusion

Select the correct option to match the Product with the most appropriate Processing technique from the table given below:ProductProcessing technique$\text{P}$Fibre-reinfo...

A single-screw extruder is operated at $12$ $\mathrm{rpm}$ under open discharge condition (i.e., without a die).The screw has a diameter of $10$ $\mathrm{cm}$, a distance...

​​Match the Product with the most appropriate Processing Technique employed.$$\begin{array}{|l|l|l|l|} \hline & \textbf{Product} & & \textbf{Processing Technique} \\ \hli...

​​​​Injection molding is typically used to make plastic parts. If the pressure at the gate is monitored as a function of time during the injection of a thermoplastic poly...

​​​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 &...

Thermoforming operation of semi-crystalline polymers with glass transition temperature, $T_{g}$, and melting temperature, $T_{m}$, is carried out at a temperature $T$, in...

\begin{tabular}{|c|c|c|c|c|}\hline \multirow[t]{3}{*}{ Q. 114} & \multicolumn{4}{|c|}{\begin{tabular}{l}A high molecular weight polymer passes through different zones fro...

\begin{tabular}{|c|c|c|c|c|}\hline \multirow[t]{6}{*}{ Q. 119} & \multicolumn{4}{|c|}{\begin{tabular}{l}From the options given, identify the correct match(es) between the...

Q. 128 A polymeric material of density $0.9 \mathrm{~g} / \mathrm{cc}$ and melt volume of $10 \mathrm{cc}$ in an extruder has a residence time of $100 \mathrm{~s}$. The o...