Environmental Engineering in CE Atmospheric pollution caused by the exhaust gas of supresonic transport air-crafts is mostly in the atmospheric region called Troposphere Mesosphere Thermosphere Stratosphere Troposphere Mesosphere Thermosphere Stratosphere ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The progressive warming up of the earth's surface is mainly due to the Thickening of ozone layer De-forestation Automobile exhaust Blanketing effect of CO₂ in the atmosphere Thickening of ozone layer De-forestation Automobile exhaust Blanketing effect of CO₂ in the atmosphere ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In large thermal power stations very fine particulates present in flue gas are removed by Bag filter Dust catcher Electrostatic precipitators Wet scrubber Bag filter Dust catcher Electrostatic precipitators Wet scrubber ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Threshold Limit Value (TLV) is the maximum allowable concentration (i.e. safe limit) of pollutants in air. Safe limit for SO₂ in air is __________ ppm. 5 500 2000 1000 5 500 2000 1000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The pH value of potable water should be between 1 to 1.5 6.5 to 8 13 to 14 4 to 5 1 to 1.5 6.5 to 8 13 to 14 4 to 5 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Particulates (< 1μm size) remaining suspended in air indefinitely and transported by wind currents are called Fumes Mists Smoke Aerosols Fumes Mists Smoke Aerosols ANSWER DOWNLOAD EXAMIANS APP
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