Environmental Engineering in CE Ambient noise level can be reduced by __________ decibels by planting trees (like coconut, neem etc.) near public utility buildings (like hospitals & schools). 43832 15-20 25-30 43961 43832 15-20 25-30 43961 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE As compared to rapid sand filters, slow sand filters give(i) Slower filtration rate(ii) Higher filtration rate(iii) Lesser efficiency in removal of bacteria(iv) Higher efficiency in removal of bacteriaThe correct answer is (ii) and (iii) (i) and (iv) (ii) and (iv) (i) and (ii) (ii) and (iii) (i) and (iv) (ii) and (iv) (i) and (ii) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Out of the following, TLV of __________ is maximum (about 500 ppm). Acetaldehyde Carbon disulphide Toluene Carbon dioxide Acetaldehyde Carbon disulphide Toluene Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Water effluent generated in printing industry is decolourised by Reverse osmosis Ion exchange technique Electrolytic decomposition Adsorption Reverse osmosis Ion exchange technique Electrolytic decomposition Adsorption ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Polyvinyl chloride containers are not suitable for storing Metallic powder Foodstuffs Woolen clothes None of these Metallic powder Foodstuffs Woolen clothes None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which is the best and the most effective method for the removal of organic contaminant present in the polluted water in very small quantity (say < 200 mg/litre)? Lagooning Biological oxidation pond Chemical coagulation Activated carbon adsorption Lagooning Biological oxidation pond Chemical coagulation Activated carbon adsorption ANSWER DOWNLOAD EXAMIANS APP
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