Environmental Engineering in CE Carbonaceous particles having size less than 1 μm are called Aerosols Grit Aggregates Smoke Aerosols Grit Aggregates Smoke ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The resistance of water to the passage of light through it is a measure of the Dissolved gases Turbidity Hardness Color Dissolved gases Turbidity Hardness Color 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 All of these Poor visibility due to sky darkening Irritation in eyes Respiratory trouble All of these Poor visibility due to sky darkening Irritation in eyes Respiratory trouble ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which is the most widely used coagulant for the treatment of turbid water? Sodium aluminate Ferric chloride Lime Alum (aluminium sulphate) Sodium aluminate Ferric chloride Lime Alum (aluminium sulphate) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The ratio of oxygen available to the oxygen required for stabilisation of sewage is called the Biological oxygen demand (BOD) Bacterial stability factor Oxygen ion concentration Relative stability Biological oxygen demand (BOD) Bacterial stability factor Oxygen ion concentration Relative stability ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Iron & manganese present as pollutant in water can not be removed by Chlorination Lime soda process or manganese zeolite process Ion exchange process Oxidation followed by settling & filtration Chlorination Lime soda process or manganese zeolite process Ion exchange process Oxidation followed by settling & filtration ANSWER DOWNLOAD EXAMIANS APP
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