Environmental Engineering The characteristics of fresh and septic sewage respectively are Both acidic Acidic and alkaline Alkaline and acidic Both alkaline Both acidic Acidic and alkaline Alkaline and acidic Both alkaline ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Disinfection efficiency is Increased at higher pH value of water Unaffected by pH value of water Highest at pH value equal to 7 Reduced at higher pH value of water Increased at higher pH value of water Unaffected by pH value of water Highest at pH value equal to 7 Reduced at higher pH value of water ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering In chlorination, with the rise in temperature of water, death rate of bacteria Decreases Increases None of these Remains unaffected Decreases Increases None of these Remains unaffected ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The main disadvantage of cement concrete sewers is Difficulty in transportation due to heavy weight Less life Less strength Difficulty in construction Difficulty in transportation due to heavy weight Less life Less strength Difficulty in construction ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The design discharge for the separate sewer system shall be taken as 2 × DWF Equal to dry weather flow (DWF) 3 × DWF 6 × DWF 2 × DWF Equal to dry weather flow (DWF) 3 × DWF 6 × DWF ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Sewerage system is designed for Minimum flow only Average flow only Maximum flow only Maximum and minimum flow Minimum flow only Average flow only Maximum flow only Maximum and minimum flow ANSWER DOWNLOAD EXAMIANS APP