Environmental Engineering in CE Particulates (< 1μm size) remaining suspended in air indefinitely and transported by wind currents are called Aerosols Fumes Mists Smoke Aerosols Fumes Mists Smoke 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 vacuum filter By chemical coagulation In sedimentation tanks equipped with mechanical scrapper In clarifiers In vacuum filter By chemical coagulation In sedimentation tanks equipped with mechanical scrapper In clarifiers ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Carbon monoxide is a pollutant, which causes Retardation in crop growth Respiratory disease (e.g. asthma) Asphyxiation (suffocation) leading to death Damage to building materials like marble Retardation in crop growth Respiratory disease (e.g. asthma) Asphyxiation (suffocation) leading to death Damage to building materials like marble ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Water filtration rate in a slow sand filter ranges from __________ litres/m²/hr. 4000 to 5000 10 to 20 100 to 200 1500 to 2500 4000 to 5000 10 to 20 100 to 200 1500 to 2500 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Ozone is Impervious to ultra-violet rays A primary pollutant A secondary pollutant Both B & C Impervious to ultra-violet rays A primary pollutant A secondary pollutant Both B & C ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In water treatment, alum[Al2(SO₄)3] is used for the process of Coagulation Disinfection Filtration Sedimentation Coagulation Disinfection Filtration Sedimentation ANSWER DOWNLOAD EXAMIANS APP
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