Chemical Process Viscosity index improver (like polystrene or polyisobutylene) is added to lubricant to Increase the variation in its viscosity with temperature Reduce the variation in its viscosity with temperature Increase its viscosity Reduce its viscosity Increase the variation in its viscosity with temperature Reduce the variation in its viscosity with temperature Increase its viscosity Reduce its viscosity ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Mineral oils (e.g. petroleum oils) are preferred over fatty oils (e.g. mustard oil, ghee, tallow, palm oil, olive oil etc.) as a lubricant due to its Hydrolysis tendency in presence of water All of these Greater tendency of decomposition at elevated temperature Poor oxidation stability and high gum forming tendency Hydrolysis tendency in presence of water All of these Greater tendency of decomposition at elevated temperature Poor oxidation stability and high gum forming tendency ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Polymethyl methacrylate (PMMA) is known as Perspex Nylon-6 Teflon Bakelite Perspex Nylon-6 Teflon Bakelite ANSWER DOWNLOAD EXAMIANS APP
Chemical Process High temperature carbonisation of coal takes place at __________ °C. 2000 < 500 1100 700 2000 < 500 1100 700 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Carbon tetrachloride (CCl₄) is the starting raw material for the manufacture of Perchloroethylene Trichloroethylene Methanol Parathion Perchloroethylene Trichloroethylene Methanol Parathion ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Viscose rayon is chemically Regenerated cellulose acetate Cellulose nitrate Regenerated cellulose nitrate Cellulose acetate Regenerated cellulose acetate Cellulose nitrate Regenerated cellulose nitrate Cellulose acetate ANSWER DOWNLOAD EXAMIANS APP