Environmental Engineering in CE Threshold limit value (TLV) i.e., the maximum permissible safe limit of phosgene gas which Hitler used to use to kill his enemies in 'gas chamber' is about __________ ppm. 100-200 100-1000 10-100 100-200 100-1000 10-100 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is not a practical method of low level radioactive waste disposal? Discharging to atmosphere through tall stacks after dilution Dilution with inert material Disposing off in rivers & oceans Filling in steel crates and shooting it off out of earth Discharging to atmosphere through tall stacks after dilution Dilution with inert material Disposing off in rivers & oceans Filling in steel crates and shooting it off out of earth ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following processes is involved in the biochemical treatment of sewage effluents? Dehydration Fermentation Reduction Oxidation Dehydration Fermentation Reduction Oxidation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Inorganic impurities causing water pollution is Salts of metals Carbohydrates Fats Protein Salts of metals Carbohydrates Fats Protein ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Exposure to SO₂ containing chimney gases results in the All of these Reduction in strength of leather & cloth Increased drying & hardening time of paints Acceleration of corrosion rates of metals All of these Reduction in strength of leather & cloth Increased drying & hardening time of paints Acceleration of corrosion rates of metals ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Brown spots in fabrics will be caused by washing with water containing large amount of . Iron Zinc Bromine Iodine Iron Zinc Bromine Iodine ANSWER DOWNLOAD EXAMIANS APP
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