Polymer Technology Out of all the elastomers, natural rubber has the longest elongation range & flexibility of the order of __________ percent. 1000-1500 1-1000 2000-2500 1500-2000 1000-1500 1-1000 2000-2500 1500-2000 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Temperature and gage pressure maintained during the manufacture of hot SBR (styrene butediene rubber) are 50°C and 1 kgf/cm² 250°C and 10 kgf/cm² 50°C and 3 - 4 kg/cm² 250°C and 1 kgf/cm² 50°C and 1 kgf/cm² 250°C and 10 kgf/cm² 50°C and 3 - 4 kg/cm² 250°C and 1 kgf/cm² ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Cellulose acetate has very high film permeability among all the polymers of the order of 5000 gm/100 m². Which of the following polymers has the maximum film elongation (of the order of 100%) ? Water impermeable cellophane Teflon Polythene Cellulose acetate Water impermeable cellophane Teflon Polythene Cellulose acetate ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Rexin (also called artificial leather), which is used for making table cover, automobile seat cover, shoes etc. is made by coating thick cloth with molten PVC SBR Teflon Bakelite PVC SBR Teflon Bakelite ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Cation exchange resins used in water treatment is made from __________ resin. Phenolic Urea formaldehyde Epoxy Amino Phenolic Urea formaldehyde Epoxy Amino ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polymerisation process in which two or more monomers of chemically different nature take part is called Chain polymerisation None of these Addition polymerisation Copolymerisation Chain polymerisation None of these Addition polymerisation Copolymerisation ANSWER DOWNLOAD EXAMIANS APP
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