Environmental Engineering in CE Oilish impurities present the effluent discharged from the electroplating industry is normally not removed by Chemical coagulation Floatation & skimming Ultrafiltration Centrifugation Chemical coagulation Floatation & skimming Ultrafiltration Centrifugation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum permissible concentration (i.e. TLV) of DDT in public water supply system is __________ micro gram (μ g)/litre. 2 1050 332 42 2 1050 332 42 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Most of the bacteria in sewage are Saprophytic Parasitic None of these Anerobic Saprophytic Parasitic None of these Anerobic ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE TLV of lead for public sewer/waste water is about __________ ppm. 25 1 650 150 25 1 650 150 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 Persistent foam Fire hazards Depletion of dissolved oxygen Explosion hazards Persistent foam Fire hazards Depletion of dissolved oxygen Explosion hazards ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The progressive warming up of the earth's surface is mainly due to the De-forestation Blanketing effect of CO₂ in the atmosphere Thickening of ozone layer Automobile exhaust De-forestation Blanketing effect of CO₂ in the atmosphere Thickening of ozone layer Automobile exhaust ANSWER DOWNLOAD EXAMIANS APP