Environmental Engineering The settling velocity of a particle in a sedimentation tank depends on Surface area of tank None of these Both depth and surface area of tank Depth of tank Surface area of tank None of these Both depth and surface area of tank Depth of tank ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Period of cleaning of slow sand filters is about 10 - 12 days 2 - 3 months 24 - 48 hours 1 - 2 year 10 - 12 days 2 - 3 months 24 - 48 hours 1 - 2 year ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering As compared to geometrical increase method of forecasting population, arithmetical increase method gives Accurate value Higher value Lesser value Same value Accurate value Higher value Lesser value Same value ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The type of valve which is provided to control the flow of water in the distribution system at street corners and where the pipe lines intersect is Scour valve Sluice valve Safety valve Check valve Scour valve Sluice valve Safety valve Check valve ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The main disadvantage of cement concrete sewers is Less life Difficulty in construction Difficulty in transportation due to heavy weight Less strength Less life Difficulty in construction Difficulty in transportation due to heavy weight Less strength ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Activated carbon is used for Removing odours Removing hardness Removing corrosiveness Disinfection Removing odours Removing hardness Removing corrosiveness Disinfection ANSWER DOWNLOAD EXAMIANS APP