Environmental Engineering in CE The principal gas evolved from sludge digestion tank is CO₂ N₂ CO CH₄ CO₂ N₂ CO CH₄ 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 Burning of domestic fuel Automobiles exhaust Photochemical reaction in polluted atmosphere Industrial chimney exhaust Burning of domestic fuel Automobiles exhaust Photochemical reaction in polluted atmosphere Industrial chimney exhaust ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE A standard test for determination of hardness in water is termed as __________ test. Total count EDTA Presumptive Electometric Total count EDTA Presumptive Electometric ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE __________ is the process of killing organism in water. Sterilisation Sedimentation Disinfection Coagulation Sterilisation Sedimentation Disinfection Coagulation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The earth's atmosphere is an envelope of gases present upto a height of about __________ kms. 1000 10 2000 200 1000 10 2000 200 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE During sewage treatment, the sewage is subjected to __________ treatment in Imhoff tank. Sedimentation Both B and C Filtration Digestion Sedimentation Both B and C Filtration Digestion ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS