Environmental Engineering For normal sludge, the value of sludge index for Indian conditions is 350 to 500 0 to 50 150 to 350 50 to 150 350 to 500 0 to 50 150 to 350 50 to 150 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering In lime-soda process Only carbonate hardness is removed Lime reduces the carbonate hardness and soda-ash removes the non-carbonate hardness Lime reduces the non-carbonate hardness and soda-ash removes the carbonate hardness Only noncarbonated hardness is removed Only carbonate hardness is removed Lime reduces the carbonate hardness and soda-ash removes the non-carbonate hardness Lime reduces the non-carbonate hardness and soda-ash removes the carbonate hardness Only noncarbonated hardness is removed ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering As compared to cast iron pipes, steel pipes are Stronger Less susceptible to corrosion Heavier Costlier Stronger Less susceptible to corrosion Heavier Costlier ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The per capital consumption of a locality is affected by (i) Climatic conditions (ii) Quality of water (iii) Distribution pressure All (i), (ii) and (iii) Both (i) and (iii) Only (i) Both (i) and (ii) All (i), (ii) and (iii) Both (i) and (iii) Only (i) Both (i) and (ii) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Select the correct relationship between porosity (N), specific yield (y) and specific retention (R) R = N + y N = y + R y = N + R R > (N + y) R = N + y N = y + R y = N + R R > (N + y) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering For a country like India, where rainfall is mainly confined to one season, the suitable sewerage system will be Combined system Partially combined system Separate system Partially separate system Combined system Partially combined system Separate system Partially separate system ANSWER DOWNLOAD EXAMIANS APP