Environmental Engineering The design discharge for the separate sewer system shall be taken as Equal to dry weather flow (DWF) 2 × DWF 6 × DWF 3 × DWF Equal to dry weather flow (DWF) 2 × DWF 6 × DWF 3 × DWF ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The amount of coagulant needed for coagulation of water increases with (i) Increase in turbidity of water (ii) Decrease in turbidity of water (iii) Increase in temperature of water (iv) Decrease in temperature of water The correct answer is (ii) and (iii) (i)and(iv) (i) and (ii) (ii) and (iv) (ii) and (iii) (i)and(iv) (i) and (ii) (ii) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The self cleansing velocity for all sewers in India is usually 1.5 m/sec to 2.0 m/sec 1.0 m/sec to 1.2 m/sec 3.0 m/sec to 3.5 m/sec Less than 1.0 m/sec 1.5 m/sec to 2.0 m/sec 1.0 m/sec to 1.2 m/sec 3.0 m/sec to 3.5 m/sec Less than 1.0 m/sec ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering In chlorination, with the rise in temperature of water, death rate of bacteria Increases Remains unaffected Decreases None of these Increases Remains unaffected Decreases None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Hardy cross method of analysis of distribution system (i) Involves successive trials (ii) Takes economic aspects into account (iii) Is time consuming Only (i) All are correct (i) and (iii) (i) and (ii) Only (i) All are correct (i) and (iii) (i) and (ii) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering As compared to shallow wells, deep wells have Less discharge More discharge Less depth More depth Less discharge More discharge Less depth More depth ANSWER DOWNLOAD EXAMIANS APP