Chemical Process Viscosity index improver (like polystrene or polyisobutylene) is added to lubricant to Increase its viscosity Increase the variation in its viscosity with temperature Reduce its viscosity Reduce the variation in its viscosity with temperature Increase its viscosity Increase the variation in its viscosity with temperature Reduce its viscosity Reduce the variation in its viscosity with temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is an ore of iron? Hematite Chalcopyrite Bauxite Galena Hematite Chalcopyrite Bauxite Galena ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Reaction of calcium carbide with water produces a gas, which is used As an illuminant For metal cutting/welding Neither A nor B Both A & B As an illuminant For metal cutting/welding Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Aryl benzene sulphonate (ABS) is a Plasticiser for unsaturated polyester Starting material for the synthesis of glycerine Detergent Coating ingredient for photographic film Plasticiser for unsaturated polyester Starting material for the synthesis of glycerine Detergent Coating ingredient for photographic film ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The yield of tar from high temperature carbonisation of dry coal is about __________ percent. 12 3 22 0.3 12 3 22 0.3 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Main constituents of portland cement are calcium aluminate and Carbonates Silicates Gypsum Sodium silicate Carbonates Silicates Gypsum Sodium silicate ANSWER DOWNLOAD EXAMIANS APP
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