Polymer Technology Which of the following is generally not used as eord for synthetic rubber tyre casing? None of these Nylon Dacron Cellulose None of these Nylon Dacron Cellulose ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Temperature and gage pressure maintained during the manufacture of cold SBR (styrene butadiene rubber) are 0°C and 1 kgf/cm² 0°C and 3 kgf/cm² 5°C and 1 kgf/cm² - 20°C and 1 kgf/cm² 0°C and 1 kgf/cm² 0°C and 3 kgf/cm² 5°C and 1 kgf/cm² - 20°C and 1 kgf/cm² ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Natural rubber is obtained from latex, which is a colloidal dispersion of rubber in water. Which of the following is used as a coagulant in latex? Potassium alum Ammonium alum Neither A nor B Both A & B Potassium alum Ammonium alum Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Crystallisation of polymers is an undesirable property. Crystallisation of celluloid is prevented by adding Nitro cellulose None of these Camphor Glycerol Nitro cellulose None of these Camphor Glycerol ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Alkyd resin e.g., glyptal resin formed by phthalic anhydride and glycerene is not used For surface coating of automobiles & air crafts As plasticiser for PVC & nitrocellulose For film forming materials For fibre making For surface coating of automobiles & air crafts As plasticiser for PVC & nitrocellulose For film forming materials For fibre making ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology A chain growth polymerisation reaction consists of three different types of reaction namely initiation reaction, propagation reaction & termination reaction. Chain growth polymerisation reaction is not involved in the manufacture of Polyamides Siloxane elastomers Urea-formaldehyde resins Vinyl polymers Polyamides Siloxane elastomers Urea-formaldehyde resins Vinyl polymers ANSWER DOWNLOAD EXAMIANS APP
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