Environmental Engineering in CE Presence of __________ in water stream are deleterious to aquatic life. Suspended solids Soluble and toxic organics Heavy metals and cynides All of these Suspended solids Soluble and toxic organics Heavy metals and cynides All of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is not a natural source of air pollution? Photochemical oxidation of organic matter Volcanic eruptions and lightening discharges None of these Biological decay of vegetable matter Photochemical oxidation of organic matter Volcanic eruptions and lightening discharges None of these Biological decay of vegetable matter ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The commonest form of iron & manganese found in ground water as pollutant is in the form of their Bi-carbonates Chlorides Sulphides Carbonates Bi-carbonates Chlorides Sulphides Carbonates ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following gases is having the widest explosion limit (about 2 to 81% gas in gas-air mixture), rendering it the property of the most explosive gas? Acetylene Ammonia Hydrogen Carbon monoxide Acetylene Ammonia Hydrogen Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Polyvinyl chloride containers are not suitable for storing Foodstuffs Woolen clothes Metallic powder None of these Foodstuffs Woolen clothes Metallic powder None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of a certain minimum quantity of flourine is desirable in potable water to prevent Dental cavities Scale formation Water-borne disease Corrosion Dental cavities Scale formation Water-borne disease Corrosion ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS