Environmental Engineering Sewerage system is usually designed for 25 years 27 years 28 years 26 years 25 years 27 years 28 years 26 years ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering For normal sludge, the value of sludge index for Indian conditions is 0 to 50 50 to 150 350 to 500 150 to 350 0 to 50 50 to 150 350 to 500 150 to 350 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The minimum and maximum diameters of sewers shall preferably be 15 cm and 100 cm 60 cm and 300 cm 30 cm and 450 cm 15 cm and 300 cm 15 cm and 100 cm 60 cm and 300 cm 30 cm and 450 cm 15 cm and 300 cm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The settling velocity of a particle in a sedimentation tank increases if The surface area of tank is increased The depth of tank is decreased None of these Particle size is decreased The surface area of tank is increased The depth of tank is decreased None of these Particle size is decreased ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering As compared to cast iron pipes, steel pipes are Less susceptible to corrosion Heavier Costlier Stronger Less susceptible to corrosion Heavier Costlier Stronger ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The relative stability of a sewage sample, whose dissolved oxygen is same as the total oxygen required to satisfy BOD, is 100 1 Zero Infinite 100 1 Zero Infinite ANSWER DOWNLOAD EXAMIANS APP