Environmental Engineering The effective size of sand particles used in slow sand filters is 1.00 to 1.80 mm 0.60 to 1.00 mm 0.25 to 0.35 mm 0.35 to 0.60 mm 1.00 to 1.80 mm 0.60 to 1.00 mm 0.25 to 0.35 mm 0.35 to 0.60 mm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The means of access for inspection and cleaning of sewer line is known as Manhole Drop manhole Catch basin Inlet Manhole Drop manhole Catch basin Inlet ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering A sewer that receives the discharge of a number of house sewers is called Sub-main sewer Intercepting sewer Lateral sewer House sewer Sub-main sewer Intercepting sewer Lateral sewer House sewer ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The alum, when added as a coagulant in water Decreases pH value of water Increases pH value of water Does not require alkalinity in water for flocculation Does not affect pH value of water Decreases pH value of water Increases pH value of water Does not require alkalinity in water for flocculation Does not affect pH value of water ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Residual chlorine in water is determined by Both (A) and (B) Orthotolidine method Starch iodide method None of these Both (A) and (B) Orthotolidine method Starch iodide method None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Activated carbon is used for Removing corrosiveness Removing odours Disinfection Removing hardness Removing corrosiveness Removing odours Disinfection Removing hardness ANSWER DOWNLOAD EXAMIANS APP
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