Environmental Engineering in CE Water filtration rate in a rapid sand filter ranges from __________ kilolitres/m²/hr. 10 to 15 0.1 to 1 3 to 6 15 to 20 10 to 15 0.1 to 1 3 to 6 15 to 20 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following radioactive wastes emits all α, β & γ rays and hence is the most hazardous of all radioactive emitters? Au-198 I-131 Ra-226 Sr-90 Au-198 I-131 Ra-226 Sr-90 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The widest explosive limit is of __________ , thereby making it the most explosive gas. Carbon monoxide Hydrogen Acetylene Petrol vapor Carbon monoxide Hydrogen Acetylene Petrol vapor ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of __________ in water stream are deleterious to aquatic life. Heavy metals and cynides Suspended solids Soluble and toxic organics All of these Heavy metals and cynides Suspended solids Soluble and toxic organics All of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The ratio of oxygen available to the oxygen required for stabilisation of sewage is called the Oxygen ion concentration Relative stability Bacterial stability factor Biological oxygen demand (BOD) Oxygen ion concentration Relative stability Bacterial stability factor Biological oxygen demand (BOD) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Arsenic pollutant is not generated in____industries. Beverages Any of these Glass & ceramic Tanneries Beverages Any of these Glass & ceramic Tanneries ANSWER DOWNLOAD EXAMIANS APP