Environmental Engineering in CE Which is the most efficient dust removal equipment for removal of sub-micronic dust particles from blast furnace gas? Packed scrubber Gravity settling chamber Hydrocyclone Electrostatic precipitator Packed scrubber Gravity settling chamber Hydrocyclone Electrostatic precipitator ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The upper layer of atmosphere is called the Stratosphere None of these Troposphere Ionosphere Stratosphere None of these Troposphere Ionosphere ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The density of the gases (present in air) decreases with increasing altitude to such an extent, that about 70% of the mass of atmospheric air is found in the lower 5 km. of the atmosphere. This lower region of atmosphere is called the Ionosphere Troposphere Stratosphere None of these Ionosphere Troposphere Stratosphere None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Infective bacteria in water is killed by the __________ process. Disinfection Sterilisation None of these Aeration Disinfection Sterilisation None of these Aeration ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum permissible limit of mercury in human blood is __________ micrograms/100 c.c. 1 7 19 82 1 7 19 82 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum permissible turbidity in potable water is __________ ppm. 1000 10 250 1 1000 10 250 1 ANSWER DOWNLOAD EXAMIANS APP
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