Environmental Engineering Sludge volume index is defined as the ratio of Percentage of suspended solids by weight to percentage of sludge by volume Percentage of sludge by volume to percentage of suspended solids by weight Percentage of sludge by volume to percentage of total solids by weight Percentage of total solids by weight to percentage of sludge by volume Percentage of suspended solids by weight to percentage of sludge by volume Percentage of sludge by volume to percentage of suspended solids by weight Percentage of sludge by volume to percentage of total solids by weight Percentage of total solids by weight to percentage of sludge by volume ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Generally the detention period for grit chambers is kept as 12 hours 1 minute 24 hours 5 minutes 12 hours 1 minute 24 hours 5 minutes ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Turbidity is measured on Standard platinum scale Standard cobalt scale Platinum cobalt scale Standard silica scale Standard platinum scale Standard cobalt scale Platinum cobalt scale Standard silica scale ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The commonly used material for water supply pipes, which has the properties of being strong, not easily corroded and long life but is heavy and brittle, is Steel Cast iron Reinforced cement concrete Copper Steel Cast iron Reinforced cement concrete Copper ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The suitable layout of distribution system for a city with roads of rectangular pattern is Ring system Radial system Grid iron system Dead end system Ring system Radial system Grid iron system Dead end system ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The detention period in coagulation tanks is usually kept as 2 to 6 days 1 to 2 minutes 2 to 6 hours 30 to 45 minutes 2 to 6 days 1 to 2 minutes 2 to 6 hours 30 to 45 minutes ANSWER DOWNLOAD EXAMIANS APP