Environmental Engineering Which of the following chemical compounds can be used for de-chlorination of water? Chloramines Sulphur dioxide Bleaching powder Carbon dioxide Chloramines Sulphur dioxide Bleaching powder Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The type of valve which is provided to control the flow of water in the distribution system at street corners and where the pipe lines intersect is Safety valve Sluice valve Scour valve Check valve Safety valve Sluice valve Scour valve Check valve ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The process of lagooning is primarily a means of Increasing the capacity of storage reservoirs Reducing the excessive flow in sewers Disposing of sludge Increasing flow of sewage through imhoff tanks Increasing the capacity of storage reservoirs Reducing the excessive flow in sewers Disposing of sludge Increasing flow of sewage through imhoff tanks ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering An egg shaped section of sewer Is easy to construct Provides self cleansing velocity at low discharges Is economical than circular section Is more stable than circular section Is easy to construct Provides self cleansing velocity at low discharges Is economical than circular section Is more stable than circular section ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Settling velocity increases with Specific gravity of solid particles Size of particles Depth of tank Temperature of liquid Specific gravity of solid particles Size of particles Depth of tank Temperature of liquid 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 (ii) (i)and(iv) (ii) and (iv) (ii) and (iii) (i) and (ii) (i)and(iv) (ii) and (iv) ANSWER DOWNLOAD EXAMIANS APP
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