Environmental Engineering in CE 5-200 μm size particles are called Smoke Powder Colloids or aerosols Dust Smoke Powder Colloids or aerosols Dust ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In a sedimentation tank, the detention period for water ranges from __________ hours. 16 to 20 2 to 4 24 to 32 8 to 12 16 to 20 2 to 4 24 to 32 8 to 12 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE There are five concentric layers within the atmosphere which is differentiated on the basis of temperature. The atmospheric layer which lies close to the earth's surface in which human being along with other organisms live is called troposphere. The rate at which air temperature in the troposphere gradually decreases with height is about __________ °C/km. 6.5 0.05 1 15 6.5 0.05 1 15 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE A considerable part of the harmful ultraviolet radiation of the sum does not reach the earth surface, because of the fact that, there is a layer of __________ high above earth's atmosphere, which absorbs it. Hydrogen None of these Ozone Carbon dioxide Hydrogen None of these Ozone Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Particles having diameter greater than 75 μm (micrometer = 10-6 mm) are called Powder Grit Smoke Dust Powder Grit Smoke Dust ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE During sewage treatment, the sewage is subjected to __________ treatment in Imhoff tank. Both B and C Digestion Sedimentation Filtration Both B and C Digestion Sedimentation Filtration ANSWER DOWNLOAD EXAMIANS APP
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