Environmental Engineering in CE Phenolic water generated in coke ovens & by-product plant attached to an integrated steel plant containing phenol in concentration of less than 100 mg/litre can be removed by None of these Treating in biological oxygen pond Chemical coagulation Chlorination None of these Treating in biological oxygen pond Chemical coagulation Chlorination ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Carbonaceous particles having size less than 1 μm are called Smoke Aggregates Aerosols Grit Smoke Aggregates Aerosols Grit ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE A man exposed to excessive noise level in the working environment may suffer from Rupture of ear drum Nervousness & fatigue All of these Hearing loss Rupture of ear drum Nervousness & fatigue All of these Hearing loss ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Oil and grease present in an emulsified state in waste water discharged from industries can be removed by Chlorination Skimming off Settling out using chemical reagents Biological oxidation Chlorination Skimming off Settling out using chemical reagents Biological oxidation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Threshold Limit Value (TLV) is the maximum allowable concentration (i.e. safe limit) of pollutants in air. Safe limit for SO₂ in air is __________ ppm. 2000 5 500 1000 2000 5 500 1000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Death may occur, when SO₂ concentration in atmospheric air exceeds __________ ppm. 400 20 100 200 400 20 100 200 ANSWER DOWNLOAD EXAMIANS APP
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