Environmental Engineering in CE TLV of ozone (O₃) and phosgene (COCl₂) in air is __________ ppm. 100 25 0.1 1000 100 25 0.1 1000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of non-biodegradable substances, like alkyl benzene sulphonate (ABS) from the detergents in polluted water stream causes Explosion hazards Depletion of dissolved oxygen Fire hazards Persistent foam Explosion hazards Depletion of dissolved oxygen Fire hazards Persistent foam ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of __________ in water stream are deleterious to aquatic life. Heavy metals and cynides Soluble and toxic organics Suspended solids All of these Heavy metals and cynides Soluble and toxic organics Suspended solids All of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The upper layer of atmosphere is called the Troposphere Ionosphere None of these Stratosphere Troposphere Ionosphere None of these Stratosphere ANSWER DOWNLOAD EXAMIANS APP
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 Chlorination None of these Treating in biological oxygen pond Chemical coagulation Chlorination None of these Treating in biological oxygen pond Chemical coagulation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is a green house gas other than CO₂ ? Chlorofluro carbons (CFC) All of these Methane Nitrous oxide Chlorofluro carbons (CFC) All of these Methane Nitrous oxide ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS