Environmental Engineering Septic tank is a (i) Settling tank (ii) Digestion tank (iii) Aeration tank (i) and (iii) Only (i) (i) and (ii) Only (iii) (i) and (iii) Only (i) (i) and (ii) Only (iii) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The pathogens can be killed by Nitrification Chlorination Oxidation None of these Nitrification Chlorination Oxidation None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The slope of sewer shall be Given in the direction opposite to natural slope of ground Steeper than 1 in 20 Given in the direction of natural slope of ground Zero Given in the direction opposite to natural slope of ground Steeper than 1 in 20 Given in the direction of natural slope of ground Zero ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Select the correct relationship between porosity (N), specific yield (y) and specific retention (R) N = y + R y = N + R R > (N + y) R = N + y N = y + R y = N + R R > (N + y) R = N + y ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Double filtration is used All of these To increase the filtration slow sand filters capacity of For isolated buildings like pools, hotels etc swimming To increase the filtration rapid sand filters capacity of All of these To increase the filtration slow sand filters capacity of For isolated buildings like pools, hotels etc swimming To increase the filtration rapid sand filters capacity of ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The minimum dissolved oxygen which should always be present in water in order to save the aquatic life is 1 ppm 40 ppm 4 ppm 10 ppm 1 ppm 40 ppm 4 ppm 10 ppm ANSWER DOWNLOAD EXAMIANS APP