Polymer Technology Which of the following is not an elastomer? Polyisoprene Neoprene Nitrile-butadiene None of these Polyisoprene Neoprene Nitrile-butadiene None of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Collapsible tubes for tooth paste are produced by __________ extrusion. Indirect Impact None of these Direct Indirect Impact None of these Direct ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Thermosplastic materials Do not soften on application of heat Are solvent insoluble None of these Are heavily branched molecules Do not soften on application of heat Are solvent insoluble None of these Are heavily branched molecules ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Plastic tubes & pipes are generally made by __________ moulding. Compression Transfer Extrusion Injection Compression Transfer Extrusion Injection ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In a linear polymer, the monomeric units are linked together to form long straight chains. The cross linked or branched chain polymers compared to linear polymers have higher Melting point Hardness, rigidity & brittleness Tensile strength Densities Melting point Hardness, rigidity & brittleness Tensile strength Densities ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ tubes are good substitude for human blood vessels onrheart by-pass operation. Polystyrene Polythene PVC Teflon/dacron Polystyrene Polythene PVC Teflon/dacron ANSWER DOWNLOAD EXAMIANS APP
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