Environmental Engineering in CE Aerosols present in atmospheric air may be Combination of all A, B & C Neutral Negatively charged Positively charged Combination of all A, B & C Neutral Negatively charged Positively charged ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise produced by cooling fans (employed in air cooled heat exchangers or cooling tower) is mainly caused due to the turbulence created by blade passage through air. It can be reduced by use of a slower fan Neither A nor B Of increased diameter Both A & B With greater number of blades Neither A nor B Of increased diameter Both A & B With greater number of blades 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 Increase the dew point of Catalytically convert SO₂ to SO₃ in Reduce SO₂ content in None of these Increase the dew point of Catalytically convert SO₂ to SO₃ in Reduce SO₂ content in ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Coal washing waste water containing about 3% suspended solids (comprising of clay, slate, stone etc.) is treated for solid particles removal In sedimentation tanks equipped with mechanical scrapper In clarifiers In vacuum filter By chemical coagulation In sedimentation tanks equipped with mechanical scrapper In clarifiers In vacuum filter By chemical coagulation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Inhalation of lead compounds present in the automobile exhausts (using leaded petrol) causes All of these Nervous system disorder Blood poisoning Anaemia All of these Nervous system disorder Blood poisoning Anaemia ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Sooty and sulphurous smog formed due to combustion of fossil fuels particularly in winter, continues throughout the day and night. When the moist atmospheric air's water vapor condenses on the solid particles of smoke thereby forming smog (smoke + fog), it causes Respiratory trouble Poor visibility due to sky darkening All of these Irritation in eyes Respiratory trouble Poor visibility due to sky darkening All of these Irritation in eyes ANSWER DOWNLOAD EXAMIANS APP
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