Environmental Engineering in CE In sewage treatment, the detention period allowed for oxidation ponds ranges from __________ weeks. 4 to 5 1 to 2 15 to 20 9 to 10 4 to 5 1 to 2 15 to 20 9 to 10 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The lowest layer of atmosphere is known as the Stratosphere Troposphere Ionosphere None of these Stratosphere Troposphere Ionosphere None of these 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 Ammonia Carbon monoxide Hydrogen Acetylene Ammonia Carbon monoxide Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of __________ hardness is responsible for the temporary hardness in water. Calcium Sulphate Choride Carbonate Calcium Sulphate Choride Carbonate ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Oceans act as sinks for atmospheric gases including carbon dioxide whose concentration in the atmosphere is increased by the Green house effect Forestation Vegetation Rain Green house effect Forestation Vegetation Rain ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Most efficient and suitable dust removal equipment for removal of flyash from flue gas in a thermal power plant is the Electrostatic precipitator Gravity settling chamber Bag filter Cyclone separator Electrostatic precipitator Gravity settling chamber Bag filter Cyclone separator ANSWER DOWNLOAD EXAMIANS APP
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