Polymer Technology Which of the following natural bio polymers are formed as a result of polymerisation of amino-acids? Nucleic acids Starch Proteins Cellulose Nucleic acids Starch Proteins Cellulose ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ moulding is used for shaping of thermosetting plastics exclusively. Injection Compression Transfer Extrusion Injection Compression Transfer Extrusion ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Plasticisers are high boiling liquids added to plastic polymers to impart toughness and flexibility at ordinary temperature. Which of the following is not a plasticiser? Stearic acid estors Tricresyl phosphate Esters of phthalic acid Ethylene glycol Stearic acid estors Tricresyl phosphate Esters of phthalic acid Ethylene glycol ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Cation exchange resins (0.3 to 1 mm size) used in water treatment is prepared from __________ resins. Epoxy Melamine formaldehyde Phenol formaldehyde Urea formaldehyde Epoxy Melamine formaldehyde Phenol formaldehyde Urea formaldehyde ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Visco-elastic behaviour exhibited by plastics is a __________ like behaviour. Solid Neither solid nor liquid Combination of solid & liquid Liquid Solid Neither solid nor liquid Combination of solid & liquid Liquid ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Thermosplastic materials Do not soften on application of heat Are heavily branched molecules Are solvent insoluble None of these Do not soften on application of heat Are heavily branched molecules Are solvent insoluble None of these ANSWER DOWNLOAD EXAMIANS APP
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