Environmental Engineering in CE Which is the most widely used coagulant for the treatment of turbid water? Sodium aluminate Alum (aluminium sulphate) Lime Ferric chloride Sodium aluminate Alum (aluminium sulphate) Lime Ferric chloride ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Main pollutants released from iron & steel industry is CO, CO₂ & SO₂ SO₃, NO₂ & CO₂ CO₂, H₂S & NO₂ H₂S, NO & SO₃ CO, CO₂ & SO₂ SO₃, NO₂ & CO₂ CO₂, H₂S & NO₂ H₂S, NO & SO₃ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Reingleman chart No. 2 corresponds to __________ percent black smoke. 80 20 40 10 80 20 40 10 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE White smoke coming out of the chimney of a furnace indicates the use of Very high excess air Liquid fuel in the furnace Gaseous fuel in the furnace Low excess air Very high excess air Liquid fuel in the furnace Gaseous fuel in the furnace Low excess air 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 With greater number of blades Neither A nor B Both A & B Of increased diameter With greater number of blades Neither A nor B Both A & B Of increased diameter ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Persons working in cement plants and limestone quarries are more prone to disease like Silicosis Flourosis (bone disease) Cancer Asthma Silicosis Flourosis (bone disease) Cancer Asthma ANSWER DOWNLOAD EXAMIANS APP