Polymer Technology Temperature and gage pressure maintained during the manufacture of cold SBR (styrene butadiene rubber) are - 20°C and 1 kgf/cm² 0°C and 1 kgf/cm² 5°C and 1 kgf/cm² 0°C and 3 kgf/cm² - 20°C and 1 kgf/cm² 0°C and 1 kgf/cm² 5°C and 1 kgf/cm² 0°C and 3 kgf/cm² ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polystyrene is a __________ plastic at room temperature. Malleable Ductile None of these Brittle Malleable Ductile None of these Brittle ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polyurathane can not be used to make Fibre reinforced plastic (FRP) Thermal insulation in refrigerator Coating and adhesive Automobile cushion Fibre reinforced plastic (FRP) Thermal insulation in refrigerator Coating and adhesive Automobile cushion ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Dacron (or terylene) fibres as compared to nylon fibres have Poorer dyeability All of these Poorer resistance to alkalis Better heat & acid resistant properties Poorer dyeability All of these Poorer resistance to alkalis Better heat & acid resistant properties ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Scouring is a finishing operation during the manufacture of fibre, which aims at __________ of fibres. Glycol soaking Dyeing/colouring Detergent solution washing Improving the stretchability Glycol soaking Dyeing/colouring Detergent solution washing Improving the stretchability ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Alkyd resin e.g., glyptal resin formed by phthalic anhydride and glycerene is not used As plasticiser for PVC & nitrocellulose For surface coating of automobiles & air crafts For film forming materials For fibre making As plasticiser for PVC & nitrocellulose For surface coating of automobiles & air crafts For film forming materials For fibre making ANSWER DOWNLOAD EXAMIANS APP
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