Environmental Engineering in CE Fresh sewage is __________ in nature. Alkaline Acidic Highly acidic Neutral Alkaline Acidic Highly acidic Neutral ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Threshold limit value (TLV) of CO in air is __________ ppm. 5000 50 5 2000 5000 50 5 2000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Scale formation in boiler is controlled by Reduction in hardness, silica & alumina in feed water Eliminating H₂S in feed water Keeping the pH value of feed water just below 7 Preheating of feed water Reduction in hardness, silica & alumina in feed water Eliminating H₂S in feed water Keeping the pH value of feed water just below 7 Preheating of feed water ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following gases is having the widest explosion limit (about 2 to 81% gas in gas-air mixture), rendering it the property of the most explosive gas? Acetylene Hydrogen Ammonia Carbon monoxide Acetylene Hydrogen Ammonia Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Polluted water having low BOD are most economically treated in Clarifier Oxidation ponds Sludge digester Sedimentation tanks Clarifier Oxidation ponds Sludge digester Sedimentation tanks ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Hazardous/polluting chemical industries should have an 'exclusion zone' with a green belt and general public access prohibited around it, covering a radius of ____ metres. 100 400 4000 1000 100 400 4000 1000 ANSWER DOWNLOAD EXAMIANS APP
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