Polymer Technology Poly Vinyl chloride (PVC) is a __________ material. Thermoplastic Thermosetting Chemically active Fibrous Thermoplastic Thermosetting Chemically active Fibrous ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ is not a polyester fibre. Terylene Dacron Nylon Polyacrylonitrite Terylene Dacron Nylon Polyacrylonitrite ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Phosphates (e.g., triceresyl, tributyl, tetrabutyl, tripheyl etc.) are added to polymers to act as Anti-shrinkage agents Plasticisers Hardeners Transparency improver Anti-shrinkage agents Plasticisers Hardeners Transparency improver ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Thermosetting resins/polymers as compared to thermoplastic ones are Easily reshaped & reused More brittle Formed by addition polymerisation only Soluble in all organic solvents Easily reshaped & reused More brittle Formed by addition polymerisation only Soluble in all organic solvents ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Diphenylamine is added to rubber to Valcanise it Protect it from deterioration on exposure to air Make it thermosetting Make it non-inflammable Valcanise it Protect it from deterioration on exposure to air Make it thermosetting Make it non-inflammable ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Dacron (or terylene) fibres as compared to nylon fibres have Poorer resistance to alkalis Better heat & acid resistant properties All of these Poorer dyeability Poorer resistance to alkalis Better heat & acid resistant properties All of these Poorer dyeability ANSWER DOWNLOAD EXAMIANS APP
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