Environmental Engineering Alum as a coagulant is found to be most effective when pH range of water is 6 to 8 4 to 6 2 to 4 8 to 10 6 to 8 4 to 6 2 to 4 8 to 10 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 Lateral sewer Main sewer House sewer Sub-main sewer Lateral sewer Main sewer House sewer ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The correct relation between theoretical oxygen demand (TOD), Biochemical oxygen demand (BOD) and Chemical oxygen demand (COD) is given by BOD > COD > TOD TOD > COD > BOD TOD > BOD > COD COD > BOD > TOD BOD > COD > TOD TOD > COD > BOD TOD > BOD > COD COD > BOD > TOD ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The suitable layout of distribution system for a city with roads of rectangular pattern is Ring system Grid iron system Dead end system Radial system Ring system Grid iron system Dead end system Radial system 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 The settling velocity of a particle in a sedimentation tank increases if None of these The surface area of tank is increased Particle size is decreased The depth of tank is decreased None of these The surface area of tank is increased Particle size is decreased The depth of tank is decreased ANSWER DOWNLOAD EXAMIANS APP