Environmental Engineering The characteristics of fresh and septic sewage respectively are Both alkaline Both acidic Alkaline and acidic Acidic and alkaline Both alkaline Both acidic Alkaline and acidic Acidic and alkaline 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 House sewer Main sewer Lateral sewer Sub-main sewer House sewer Main sewer Lateral sewer ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The ratio of 5 day BOD to ultimate BOD is about 1 43864 43833 43894 1 43864 43833 43894 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering In lime-soda process Lime reduces the carbonate hardness and soda-ash removes the non-carbonate hardness Only carbonate hardness is removed Lime reduces the non-carbonate hardness and soda-ash removes the carbonate hardness Only noncarbonated hardness is removed Lime reduces the carbonate hardness and soda-ash removes the non-carbonate hardness Only carbonate hardness is removed Lime reduces the non-carbonate hardness and soda-ash removes the carbonate hardness Only noncarbonated hardness is removed ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Period of cleaning of slow sand filters is about 2 - 3 months 1 - 2 year 24 - 48 hours 10 - 12 days 2 - 3 months 1 - 2 year 24 - 48 hours 10 - 12 days ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The effective size of sand particles used in slow sand filters is 0.35 to 0.60 mm 0.60 to 1.00 mm 1.00 to 1.80 mm 0.25 to 0.35 mm 0.35 to 0.60 mm 0.60 to 1.00 mm 1.00 to 1.80 mm 0.25 to 0.35 mm ANSWER DOWNLOAD EXAMIANS APP
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