Environmental Engineering Orthotolidine test is used for determination of Dose of coagulant Biochemical oxygen demand Residual chlorine Dissolved oxygen Dose of coagulant Biochemical oxygen demand Residual chlorine Dissolved oxygen ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering A pipe conveying sewage from plumbing system of a single building to common sewer or point of immediate disposal is called Sub-main sewer Lateral sewer Main sewer House sewer Sub-main sewer Lateral sewer Main sewer House sewer ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering As compared to rapid sand filters, slow sand filters give (i) Slower filtration rate (ii) Higher filtration rate (iii) Lesser efficiency in removal of bacteria (iv) Higher efficiency in removal of bacteria The correct answer is (i) and (ii) (i) and (iv) (ii) and (iii) (ii) and (iv) (i) and (ii) (i) and (iv) (ii) and (iii) (ii) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The suitable method for disinfection of swimming pool water is Ultra violet rays treatment By using potassium permanganate Chlorination Lime treatment Ultra violet rays treatment By using potassium permanganate Chlorination Lime treatment ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The velocity of flow does not depend on Length of sewer Hydraulic mean depth of sewer Grade of sewer Roughness of sewer Length of sewer Hydraulic mean depth of sewer Grade of sewer Roughness of sewer ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The rate of filtration in slow sand filters in million litres per day per hectare is about 50 to 60 100 to 150 1400 to 1500 500 to 600 50 to 60 100 to 150 1400 to 1500 500 to 600 ANSWER DOWNLOAD EXAMIANS APP