Environmental Engineering in CE Tri-sodium phosphate is used in boiler water treatment to reduce Suspended silica Caustic embrittlement Dissolved oxygen Turbidity Suspended silica Caustic embrittlement Dissolved oxygen Turbidity ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Exposure to small amount of __________ results in high blood pressure & heart disease in human beings. Mercury Asbestos Hydrogen sulphide Cadmium Mercury Asbestos Hydrogen sulphide Cadmium ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE 'Safe limit' called Threshold Limit Value (TLV) of carbon monoxide in atmospheric air is < 50 ppm. The main source of carbon monoxide pollutant in air is the Automobiles exhaust Industrial chimney exhaust Burning of domestic fuel Photochemical reaction in polluted atmosphere Automobiles exhaust Industrial chimney exhaust Burning of domestic fuel Photochemical reaction in polluted atmosphere ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE A gas is termed as non-toxic, if its maximum permissible concentration (TLV) ranges from __________ ppm. 3000 to 6000 1000 to 2000 10000 to 100000 6000 to 9000 3000 to 6000 1000 to 2000 10000 to 100000 6000 to 9000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The permissible color for domestic water supply is __________ ppm. 100 1000 1 20 100 1000 1 20 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 Treating in biological oxygen pond Chemical coagulation None of these Chlorination Treating in biological oxygen pond Chemical coagulation None of these Chlorination ANSWER DOWNLOAD EXAMIANS APP
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