Environmental Engineering in CE The resistance of water to the passage of light through it is a measure of the Hardness Turbidity Dissolved gases Color Hardness Turbidity Dissolved gases Color ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The ratio of oxygen available to the oxygen required for stabilisation of sewage is called the Relative stability Oxygen ion concentration Biological oxygen demand (BOD) Bacterial stability factor Relative stability Oxygen ion concentration Biological oxygen demand (BOD) Bacterial stability factor ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Fluorosis (a bone disease) is caused by the presence of high concentration of __________ in atmospheric air. Hydrogen flouride Hydrocarbons Nitrogen dioxide Hydrogen sulphides Hydrogen flouride Hydrocarbons Nitrogen dioxide Hydrogen sulphides ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Sound produced by an automobile horn heard at a distance of 1.5 metres corresponds to about __________ decibels. 150 180 120 90 150 180 120 90 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following air pollutants is not toxic to vegetation i.e., doesn't cause vegetation damage? Carbon monoxide Sulphur dioxide & spray of weed killers Hydrogen fluoride & nitrogen oxides Smog & ozone Carbon monoxide Sulphur dioxide & spray of weed killers Hydrogen fluoride & nitrogen oxides Smog & ozone ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Exposure to SO₂ containing chimney gases results in the Reduction in strength of leather & cloth Increased drying & hardening time of paints Acceleration of corrosion rates of metals All of these Reduction in strength of leather & cloth Increased drying & hardening time of paints Acceleration of corrosion rates of metals All of these ANSWER DOWNLOAD EXAMIANS APP
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