Waste Water Engineering In sewers the velocity of flow should not be More than 20 m/sec More than the self-cleansing velocity Less than 10 m/sec Less than the self-cleansing velocity More than 20 m/sec More than the self-cleansing velocity Less than 10 m/sec Less than the self-cleansing velocity ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewers Must be laid at least 2 to 3 m deep to collect /water from the basements Must be of adequate size to avoid over flow All listed here Must flow under gravity ½ to ¾ full Must be laid at least 2 to 3 m deep to collect /water from the basements Must be of adequate size to avoid over flow All listed here Must flow under gravity ½ to ¾ full ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering During purification process of sewage the gas given off, is All listed here Hydrogen Carbon dioxide Ammonia All listed here Hydrogen Carbon dioxide Ammonia ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Bio-chemical oxygen demand (BOD) for the first 20 days in generally referred to First stage demand Carbonaceous demand All of these Initial demand First stage demand Carbonaceous demand All of these Initial demand ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Self-cleansing velocity is Velocity at which no accumulation remains in the drains Velocity at dry weather flow Velocity of water at flushing Velocity of water in a pressure filter Velocity at which no accumulation remains in the drains Velocity at dry weather flow Velocity of water at flushing Velocity of water in a pressure filter ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In sewers the highest non-scouring velocity is achieved in Stone ware sewers Glazed bricks sewers Cast iron sewers Cement concrete sewers Stone ware sewers Glazed bricks sewers Cast iron sewers Cement concrete sewers ANSWER DOWNLOAD EXAMIANS APP