Environmental Engineering in CE Water filtration rate in a rapid sand filter ranges from __________ kilolitres/m²/hr. 0.1 to 1 10 to 15 15 to 20 3 to 6 0.1 to 1 10 to 15 15 to 20 3 to 6 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Limestone powder is injected during pulverised coal burning in boilers to __________ the flue gases. None of these Reduce SO₂ content in Increase the dew point of Catalytically convert SO₂ to SO₃ in None of these Reduce SO₂ content in Increase the dew point of Catalytically convert SO₂ to SO₃ in ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The amount of coagulant needed for coagulation of water increases with(i) Increase in turbidity of water(ii) Decrease in turbidity of water(iii) Increase in temperature of water(iv) Decrease in temperature of waterThe correct answer is (i)and(iv) (ii) and (iv) (ii) and (iii) (i) and (ii) (i)and(iv) (ii) and (iv) (ii) and (iii) (i) and (ii) 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 1 15 0.05 6.5 1 15 0.05 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE __________ content of the phosphate rock is the pollutant of primary interest in a phos-phatic fertiliser plant. Calcium Phosphorous Fluorine Sulphur Calcium Phosphorous Fluorine Sulphur ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise pollution level in a chemical plant is expressed in None of these Hertz Roentgen Decibel None of these Hertz Roentgen Decibel ANSWER DOWNLOAD EXAMIANS APP
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