Environmental Engineering in CE Waste/polluted water discharged from electroplating, blast furnace and coal mining industries contain mainly __________ substances. Inorganic None of these Organic Radioactive Inorganic None of these Organic Radioactive ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Major sources of noise in furnace operation arises from air inspirators, combustion, side wall vibrations and fluctuation in the process heat load. A 50% increase in fuel firing rate may increase the furnace noise level by about __________ decibels. 70 30 100 3 70 30 100 3 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise level during normal conversation among men is about __________ decibles. 10 45 115 90 10 45 115 90 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Ozone level is generally found to be depleted in India in the month of February December July April February December July April ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Aerobic biological oxidation ponds used for the purification of polluted water Destroys/removes pathogen much more effectively if the sewage is chlorinated Is not very effective for nonbiodegradable substances (e.g. ABS) containing effluents All of these Destroys/removes pathogen from the sewage Destroys/removes pathogen much more effectively if the sewage is chlorinated Is not very effective for nonbiodegradable substances (e.g. ABS) containing effluents All of these Destroys/removes pathogen from the sewage ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The lowest layer of atmosphere is known as the None of these Troposphere Stratosphere Ionosphere None of these Troposphere Stratosphere Ionosphere ANSWER DOWNLOAD EXAMIANS APP