Environmental Engineering Dissolved oxygen in streams is Maximum at midnight Maximum at noon Minimum at noon Same throughout the day Maximum at midnight Maximum at noon Minimum at noon Same throughout the day ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The rate of BOD exerted at any time is Directly proportional to BOD remaining Directly proportional to BOD satisfied Inversely proportional to BOD satisfied Inversely proportional to BOD remaining Directly proportional to BOD remaining Directly proportional to BOD satisfied Inversely proportional to BOD satisfied Inversely proportional to BOD remaining ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The maximum permissible limit for fluoride in drinking water is 0.1 mg/liter 5 mg/liter 1.5 mg/liter 10 mg/liter 0.1 mg/liter 5 mg/liter 1.5 mg/liter 10 mg/liter ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering A sewer that receives the discharge of a number of house sewers is called Lateral sewer House sewer Sub-main sewer Intercepting sewer Lateral sewer House sewer Sub-main sewer Intercepting sewer 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 (i)and(iv) (ii) and (iii) (i) and (ii) (ii) and (iv) (i)and(iv) (ii) and (iii) (i) and (ii) (ii) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering For the same solid content, if the quantity of sludge with moisture content of 98% is X, then the quantity of sludge with moisture content of 96% will be 2X X X/4 X/2 2X X X/4 X/2 ANSWER DOWNLOAD EXAMIANS APP