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 The compressive strength of cement should not be less than about 110Kg/cm² after three days & not less than 170Kg/cm² after seven days. The fineness of an ordinary cement as determined by turbidimetric method should be about __________ cm²/gm. 1600 8500 800 4000 1600 8500 800 4000 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Sizing material is incorporated in paper to Increase its brightness Increase its thickness Increase its flexibility & opacity Impart resistance to penetration by liquids Increase its brightness Increase its thickness Increase its flexibility & opacity Impart resistance to penetration by liquids ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Dechlorination of treated water is necessary to Remove residual turbidity Control taste and odour Remove chlorinous taste Reduce the bacterial load on filter Remove residual turbidity Control taste and odour Remove chlorinous taste Reduce the bacterial load on filter ANSWER DOWNLOAD EXAMIANS APP
Chemical Process All enzymes are made of Amino acids Carbohydrates Proteins Fats Amino acids Carbohydrates Proteins Fats ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is not an antibiotic? Tetracyclin Streptomycin Penicillin Quinine Tetracyclin Streptomycin Penicillin Quinine ANSWER DOWNLOAD EXAMIANS APP