Temperature and gage pressure maintained during the manufacture of cold SBR (styrene butadiene rubber) are September 7, 2025 by Admin 5°C and 1 kgf/cm2. – 20°C and 1 kgf/cm2. 0°C and 1 kgf/cm2. 0°C and 3 kgf/cm2. ✅ The correct answer is option A.
__________ are produced by reacting polybasic acid (e.g. phthalic anhydride) with polyhydric alcohol (e.g., glycerol). September 7, 2025 by Admin Unsaturated polyester Alkyd resins Saturated polyester Amino resins ✅ The correct answer is option B.
Adipic acid is an intermediate in the manufacture of September 7, 2025 by Admin perspex nylon-66 polystyrene bakelite ✅ The correct answer is option B.
Which of the following is not a thermoplastic material ? September 7, 2025 by Admin Epoxy polymer PVC Polystyrene Polythene ✅ The correct answer is option A.
Orlan fibre which is used as a wool sub stitute is September 7, 2025 by Admin an amorphous polymer. a natural polymeric fibre. polyacrylonitrile. polymethylmethacrylate (PMMA). ✅ The correct answer is option C.
Maximum consumption of polymers is in September 7, 2025 by Admin electrical insulation toys making coating and films packaging ✅ The correct answer is option C.
Polymethyl methacrylate, which is an acrylic resin, is also called September 7, 2025 by Admin thiokol plexiglass or lucite dacron teflon ✅ The correct answer is option B.
Which of the following is not a polymer of two monomers ? September 7, 2025 by Admin Teflon Bakelite SBR None of these ✅ The correct answer is option A.
Polycondensation reaction of polymerisation September 7, 2025 by Admin does not produce linear polymers. produces only thermoplastic material. produces epoxy polymers. does not need any catalyst. ✅ The correct answer is option C.
Starting material for the production of SBR is September 7, 2025 by Admin ethyl alcohol ethylene both (a) & (b) neither (a) nor (b) ✅ The correct answer is option C.