Polymer Technology Poly Vinyl chloride (PVC) is a __________ material. Chemically active Thermoplastic Fibrous Thermosetting Chemically active Thermoplastic Fibrous Thermosetting ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Synthetic rubber Is softer at higher temperature Is brittle at low temperature Is highly permeable to air & water and is readily attacked by chemicals & atmospheric gases Deforms, if stretched to double of its original dimension Is softer at higher temperature Is brittle at low temperature Is highly permeable to air & water and is readily attacked by chemicals & atmospheric gases Deforms, if stretched to double of its original dimension ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ polymer is used for making unbreakable crockery. Thermoplastic Addition None of these Melamine Thermoplastic Addition None of these Melamine ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polymers are classified into four categories namely thermosetting, thermoplastic, elastomer and fibre depending upon their Molecular sizes Magnitude of intermolecular forces Resistance to heat Polymerisation mechanism Molecular sizes Magnitude of intermolecular forces Resistance to heat Polymerisation mechanism ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Rayon is a __________ fibre. Cellulosic Polyester Natural Polyamide Cellulosic Polyester Natural Polyamide ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Chain growth polymerisation is a process, in which the monomers are added in a chain fashion, and it requires an initiator to produce the free radical. An example of chain growth polymerisation products is Teflon Polyester Bakelite Nylon-66 Teflon Polyester Bakelite Nylon-66 ANSWER DOWNLOAD EXAMIANS APP