Chemical Process Coagulant is used __________ filtration. After During To avoid Before After During To avoid Before ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following additives/water proofing agents is added to lower the hydrophilic (moisture loving) characteristic of cement? Calcium & aluminium stearate Xanthates Formic acid Stearic acid Calcium & aluminium stearate Xanthates Formic acid Stearic acid ANSWER DOWNLOAD EXAMIANS APP
Chemical Process __________ is produced using polycondensation reaction. Poly vinyl chloride Polythene None of these Phenol formaldehyde Poly vinyl chloride Polythene None of these Phenol formaldehyde ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Plasticisers are added to paints to Increase atmospheric oxidation Make it corrosion resistant Make glossy surface Give elasticity & prevent cracking of the film Increase atmospheric oxidation Make it corrosion resistant Make glossy surface Give elasticity & prevent cracking of the film ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Ultimate analysis of coal determines its __________ content. Carbon, sulphur, volatile matter & ash Carbon, hydrogen, nitrogen & sulphur Carbon, ash, sulphur & nitrogen Carbon, volatile matter, ash & moisture Carbon, sulphur, volatile matter & ash Carbon, hydrogen, nitrogen & sulphur Carbon, ash, sulphur & nitrogen Carbon, volatile matter, ash & moisture ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Fusion of limestone and __________ produces high alumina cement. Sand Calcite Bauxite Quicklime Sand Calcite Bauxite Quicklime ANSWER DOWNLOAD EXAMIANS APP