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? Both A & B Ammonium alum Potassium alum Neither A nor B Both A & B Ammonium alum Potassium alum Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Tyres are made by Compression moulding Extrusion Rotational moulding Injection moulding Compression moulding Extrusion Rotational moulding Injection moulding ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Alkyd resin is a/an Polyolefin Polyamide Polyester Addition polymer Polyolefin Polyamide Polyester Addition polymer ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Buna-N is also called Butyl rubber Neoprene Thiokol Nitrile rubber Butyl rubber Neoprene Thiokol Nitrile rubber ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Viscosity of a polymer solution or melt Increases with increase in temperature Decreases with increase in temperature Decreases with increase in molecular weight Does not vary with temperature rise Increases with increase in temperature Decreases with increase in temperature Decreases with increase in molecular weight Does not vary with temperature rise ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Condensation of bisphenol A with phosgene produces __________ which possess very good heat resistance. Polyester Polysulphone Polyurathane Polycarbonate Polyester Polysulphone Polyurathane Polycarbonate ANSWER DOWNLOAD EXAMIANS APP