Polymer Technology Dacron (or terylene) fibres as compared to nylon fibres have Poorer resistance to alkalis All of these Poorer dyeability Better heat & acid resistant properties Poorer resistance to alkalis All of these Poorer dyeability Better heat & acid resistant properties ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following rubbers has the widest service temperature range (-75 to 275°C) ? Silicon rubber Butyl rubber Nitrile rubber Silicone rubber Silicon rubber Butyl rubber Nitrile rubber Silicone rubber ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Synthetic polymer produced by using terephthalic acid and ethylene glycol is Terylene Nylon-66 PVC Polyesterene Terylene Nylon-66 PVC Polyesterene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Most of the fibre forming polymers are crystalline in nature, one of the exceptions being __________ which is amorphous in nature. Polyacrylonitrile Polypropylene Polyester Nylon Polyacrylonitrile Polypropylene Polyester Nylon ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Vulcanisation of raw rubber makes it Soft Tacky Plastic Less elastic Soft Tacky Plastic Less elastic ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Thermosetting resins/polymers as compared to thermoplastic ones are Formed by addition polymerisation only Soluble in all organic solvents More brittle Easily reshaped & reused Formed by addition polymerisation only Soluble in all organic solvents More brittle Easily reshaped & reused ANSWER DOWNLOAD EXAMIANS APP